diff --git a/examples/FaxDelete.cs b/examples/FaxDelete.cs
new file mode 100644
index 000000000..88a6ed074
--- /dev/null
+++ b/examples/FaxDelete.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        try
+        {
+            faxApi.FaxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
diff --git a/examples/FaxDelete.java b/examples/FaxDelete.java
new file mode 100644
index 000000000..794b74d94
--- /dev/null
+++ b/examples/FaxDelete.java
@@ -0,0 +1,25 @@
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.util.List;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        try {
+            faxApi.faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/examples/FaxDelete.js b/examples/FaxDelete.js
new file mode 100644
index 000000000..38492bd21
--- /dev/null
+++ b/examples/FaxDelete.js
@@ -0,0 +1,13 @@
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const result = faxApi.faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+
+result.catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxDelete.php b/examples/FaxDelete.php
new file mode 100644
index 000000000..a5c62f5e9
--- /dev/null
+++ b/examples/FaxDelete.php
@@ -0,0 +1,18 @@
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+try {
+    $faxApi->faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
diff --git a/examples/FaxDelete.py b/examples/FaxDelete.py
new file mode 100644
index 000000000..adf2a5da8
--- /dev/null
+++ b/examples/FaxDelete.py
@@ -0,0 +1,16 @@
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis, models
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    try:
+        fax_api.fax_delete("fa5c8a0b0f492d768749333ad6fcc214c111e967")
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
diff --git a/examples/FaxDelete.rb b/examples/FaxDelete.rb
new file mode 100644
index 000000000..f68be3440
--- /dev/null
+++ b/examples/FaxDelete.rb
@@ -0,0 +1,14 @@
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+begin
+  fax_api.fax_delete("fa5c8a0b0f492d768749333ad6fcc214c111e967")
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
diff --git a/examples/FaxDelete.sh b/examples/FaxDelete.sh
new file mode 100644
index 000000000..3f8bf21e7
--- /dev/null
+++ b/examples/FaxDelete.sh
@@ -0,0 +1,2 @@
+curl -X DELETE 'https://api.hellosign.com/v3/fax/{fax_id}' \
+  -u 'YOUR_API_KEY:'
diff --git a/examples/FaxDelete.ts b/examples/FaxDelete.ts
new file mode 100644
index 000000000..38492bd21
--- /dev/null
+++ b/examples/FaxDelete.ts
@@ -0,0 +1,13 @@
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const result = faxApi.faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+
+result.catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxFiles.cs b/examples/FaxFiles.cs
new file mode 100644
index 000000000..fbaf4166e
--- /dev/null
+++ b/examples/FaxFiles.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try
+        {
+            var result = faxApi.FaxFiles(faxId);
+            var fileStream = File.Create("file_response.pdf");
+            result.Seek(0, SeekOrigin.Begin);
+            result.CopyTo(fileStream);
+            fileStream.Close();
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
diff --git a/examples/FaxFiles.java b/examples/FaxFiles.java
new file mode 100644
index 000000000..bd6dcc5df
--- /dev/null
+++ b/examples/FaxFiles.java
@@ -0,0 +1,28 @@
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.io.File;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try {
+            File result = faxApi.faxFiles(faxId);
+            result.renameTo(new File("file_response.pdf"));;
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/examples/FaxFiles.js b/examples/FaxFiles.js
new file mode 100644
index 000000000..d7390cf60
--- /dev/null
+++ b/examples/FaxFiles.js
@@ -0,0 +1,17 @@
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+const result = faxApi.faxFiles(faxId);
+result.then(response => {
+  fs.createWriteStream('file_response.pdf').write(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxFiles.php b/examples/FaxFiles.php
new file mode 100644
index 000000000..d543eea9c
--- /dev/null
+++ b/examples/FaxFiles.php
@@ -0,0 +1,21 @@
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+try {
+    $result = $faxApi->faxFiles($faxId);
+    copy($result->getRealPath(), __DIR__ . '/file_response.pdf');
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
diff --git a/examples/FaxFiles.py b/examples/FaxFiles.py
new file mode 100644
index 000000000..110a0f7b5
--- /dev/null
+++ b/examples/FaxFiles.py
@@ -0,0 +1,19 @@
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis, models
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    fax_id = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+    try:
+        response = fax_api.fax_files(fax_id)
+        open("file_response.pdf", "wb").write(response.read())
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
diff --git a/examples/FaxFiles.rb b/examples/FaxFiles.rb
new file mode 100644
index 000000000..d867387ad
--- /dev/null
+++ b/examples/FaxFiles.rb
@@ -0,0 +1,17 @@
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+begin
+    file_bin = fax_api.fax_files(data)
+    FileUtils.cp(file_bin.path, "path/to/file.pdf")
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
diff --git a/examples/FaxFiles.sh b/examples/FaxFiles.sh
new file mode 100644
index 000000000..02f04e4a1
--- /dev/null
+++ b/examples/FaxFiles.sh
@@ -0,0 +1,3 @@
+curl -X GET 'https://api.hellosign.com/v3/fax/files/{fax_id}' \
+  -u 'YOUR_API_KEY:' \
+  --output downloaded_document.pdf
\ No newline at end of file
diff --git a/examples/FaxFiles.ts b/examples/FaxFiles.ts
new file mode 100644
index 000000000..d7390cf60
--- /dev/null
+++ b/examples/FaxFiles.ts
@@ -0,0 +1,17 @@
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+const result = faxApi.faxFiles(faxId);
+result.then(response => {
+  fs.createWriteStream('file_response.pdf').write(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxGet.cs b/examples/FaxGet.cs
new file mode 100644
index 000000000..6396e0c34
--- /dev/null
+++ b/examples/FaxGet.cs
@@ -0,0 +1,31 @@
+using System;
+
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        // Configure HTTP basic authorization: api_key
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try
+        {
+            var result = faxApi.FaxGet(faxId);
+            Console.WriteLine(result);
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
diff --git a/examples/FaxGet.java b/examples/FaxGet.java
new file mode 100644
index 000000000..a9cc433df
--- /dev/null
+++ b/examples/FaxGet.java
@@ -0,0 +1,27 @@
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try {
+            FaxGetResponse result = faxApi.faxGet(faxId);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling AccountApi#accountCreate");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/examples/FaxGet.js b/examples/FaxGet.js
new file mode 100644
index 000000000..8a1dbbfda
--- /dev/null
+++ b/examples/FaxGet.js
@@ -0,0 +1,16 @@
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+const result = faxApi.faxGet(faxId);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxGet.php b/examples/FaxGet.php
new file mode 100644
index 000000000..43b7a1f3e
--- /dev/null
+++ b/examples/FaxGet.php
@@ -0,0 +1,21 @@
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+try {
+    $result = $faxApi->faxGet($faxId);
+    print_r($result);
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
diff --git a/examples/FaxGet.py b/examples/FaxGet.py
new file mode 100644
index 000000000..c56656833
--- /dev/null
+++ b/examples/FaxGet.py
@@ -0,0 +1,19 @@
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    fax_id = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+    try:
+        response = fax_api.fax_get(fax_id)
+        pprint(response)
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
diff --git a/examples/FaxGet.rb b/examples/FaxGet.rb
new file mode 100644
index 000000000..64dc1c057
--- /dev/null
+++ b/examples/FaxGet.rb
@@ -0,0 +1,17 @@
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+fax_id = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+begin
+  result = fax_api.fax_get(fax_id)
+  p result
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
diff --git a/examples/FaxGet.sh b/examples/FaxGet.sh
new file mode 100644
index 000000000..03aad0e46
--- /dev/null
+++ b/examples/FaxGet.sh
@@ -0,0 +1,2 @@
+curl -X GET 'https://api.hellosign.com/v3/fax/{fax_id}' \
+  -u 'YOUR_API_KEY:'
diff --git a/examples/FaxGet.ts b/examples/FaxGet.ts
new file mode 100644
index 000000000..793f6e5d3
--- /dev/null
+++ b/examples/FaxGet.ts
@@ -0,0 +1,16 @@
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.ApiAppApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+const result = faxApi.faxGet(faxId);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxList.cs b/examples/FaxList.cs
new file mode 100644
index 000000000..f87d9b8f2
--- /dev/null
+++ b/examples/FaxList.cs
@@ -0,0 +1,32 @@
+using System;
+
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        // Configure HTTP basic authorization: api_key
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var page = 1;
+        var pageSize = 2;
+
+        try
+        {
+            var result = faxApi.FaxList(page, pageSize);
+            Console.WriteLine(result);
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
diff --git a/examples/FaxList.java b/examples/FaxList.java
new file mode 100644
index 000000000..042bb7107
--- /dev/null
+++ b/examples/FaxList.java
@@ -0,0 +1,28 @@
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var page = 1;
+        var pageSize = 2;
+
+        try {
+            FaxListResponse result = faxApi.faxList(page, pageSize);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling AccountApi#accountCreate");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/examples/FaxList.js b/examples/FaxList.js
new file mode 100644
index 000000000..385f44779
--- /dev/null
+++ b/examples/FaxList.js
@@ -0,0 +1,17 @@
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const page = 1;
+const pageSize = 2;
+
+const result = faxApi.faxList(page, pageSize);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxList.php b/examples/FaxList.php
new file mode 100644
index 000000000..d2a513c21
--- /dev/null
+++ b/examples/FaxList.php
@@ -0,0 +1,22 @@
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$page = 1;
+$pageSize = 2;
+
+try {
+    $result = $faxApi->faxList($page, $pageSize);
+    print_r($result);
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
diff --git a/examples/FaxList.py b/examples/FaxList.py
new file mode 100644
index 000000000..6b71f79b6
--- /dev/null
+++ b/examples/FaxList.py
@@ -0,0 +1,23 @@
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    page = 1
+    page_size = 2
+
+    try:
+        response = fax_api.fax_list(
+            page=page,
+            page_size=page_size,
+        )
+        pprint(response)
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
diff --git a/examples/FaxList.rb b/examples/FaxList.rb
new file mode 100644
index 000000000..3f37a71ea
--- /dev/null
+++ b/examples/FaxList.rb
@@ -0,0 +1,18 @@
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+page = 1
+page_size = 2
+
+begin
+  result = fax_api.fax_list({ page: page, page_size: page_size })
+  p result
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
diff --git a/examples/FaxList.sh b/examples/FaxList.sh
new file mode 100644
index 000000000..9739d65dc
--- /dev/null
+++ b/examples/FaxList.sh
@@ -0,0 +1,2 @@
+curl -X GET 'https://api.hellosign.com/v3/fax/list?page=1&page_size=20' \
+  -u 'YOUR_API_KEY:'
diff --git a/examples/FaxList.ts b/examples/FaxList.ts
new file mode 100644
index 000000000..385f44779
--- /dev/null
+++ b/examples/FaxList.ts
@@ -0,0 +1,17 @@
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const page = 1;
+const pageSize = 2;
+
+const result = faxApi.faxList(page, pageSize);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxSend.cs b/examples/FaxSend.cs
new file mode 100644
index 000000000..8e72a4f93
--- /dev/null
+++ b/examples/FaxSend.cs
@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var files = new List<Stream> {
+            new FileStream(
+                "./example_fax.pdf",
+                FileMode.Open,
+                FileAccess.Read,
+                FileShare.Read
+            )
+        };
+
+        var data = new FaxSendRequest(
+            files: files,
+            testMode: true,
+            recipient: "16690000001",
+            sender: "16690000000",
+            coverPageTo: "Jill Fax",
+            coverPageMessage: "I'm sending you a fax!",
+            coverPageFrom: "Faxer Faxerson",
+            title: "This is what the fax is about!",
+        );
+
+        try
+        {
+            var result = faxApi.FaxSend(data);
+            Console.WriteLine(result);
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
diff --git a/examples/FaxSend.java b/examples/FaxSend.java
new file mode 100644
index 000000000..4e764da83
--- /dev/null
+++ b/examples/FaxSend.java
@@ -0,0 +1,37 @@
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.util.List;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+
+        var data = new FaxSendRequest()
+            .addFilesItem(new File("example_fax.pdf"))
+            .testMode(true)
+            .recipient("16690000001")
+            .sender("16690000000")
+            .coverPageTo("Jill Fax")
+            .coverPageMessage("I'm sending you a fax!")
+            .coverPageFrom("Faxer Faxerson")
+            .title("This is what the fax is about!");
+
+        try {
+            FaxCreateResponse result = faxApi.faxSend(data);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/examples/FaxSend.js b/examples/FaxSend.js
new file mode 100644
index 000000000..4b0eef2da
--- /dev/null
+++ b/examples/FaxSend.js
@@ -0,0 +1,47 @@
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+// Upload a local file
+const file = fs.createReadStream("example_signature_request.pdf");
+
+// or, upload from buffer
+const fileBuffer = {
+  value: fs.readFileSync("example_signature_request.pdf"),
+  options: {
+    filename: "example_signature_request.pdf",
+    contentType: "application/pdf",
+  },
+};
+
+// or, upload from buffer alternative
+const fileBufferAlt = {
+  value: Buffer.from("abc-123"),
+  options: {
+    filename: "txt-sample.txt",
+    contentType: "text/plain",
+  },
+};
+
+const data = {
+  files: [ file, fileBuffer, fileBufferAlt ],
+  testMode: true,
+  recipient: "16690000001",
+  sender: "16690000000",
+  coverPageTo: "Jill Fax",
+  coverPageMessage: "I'm sending you a fax!",
+  coverPageFrom: "Faxer Faxerson",
+  title: "This is what the fax is about!",
+};
+
+const result = faxApi.faxSend(data);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/FaxSend.php b/examples/FaxSend.php
new file mode 100644
index 000000000..2dd42d386
--- /dev/null
+++ b/examples/FaxSend.php
@@ -0,0 +1,29 @@
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$data = new Dropbox\Sign\Model\FaxSendRequest();
+$data->setFiles([new SplFileObject(__DIR__ . "/example_signature_request.pdf")])
+    ->setTestMode(true)
+    ->setRecipient("16690000001")
+    ->setSender("16690000000")
+    ->setCoverPageTo("Jill Fax")
+    ->setCoverPageMessage("I'm sending you a fax!")
+    ->setCoverPageFrom("Faxer Faxerson")
+    ->setTitle("This is what the fax is about!");
+
+try {
+    $result = $faxApi->faxSend($data);
+    print_r($result);
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
diff --git a/examples/FaxSend.py b/examples/FaxSend.py
new file mode 100644
index 000000000..c24d6ada7
--- /dev/null
+++ b/examples/FaxSend.py
@@ -0,0 +1,28 @@
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis, models
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    data = models.FaxSendRequest(
+        files=[open("example_signature_request.pdf", "rb")],
+        test_mode=True,
+        recipient="16690000001",
+        sender="16690000000",
+        cover_page_to="Jill Fax",
+        cover_page_message="I'm sending you a fax!",
+        cover_page_from="Faxer Faxerson",
+        title="This is what the fax is about!",
+    )
+
+    try:
+        response = fax_api.fax_send(data)
+        pprint(response)
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
diff --git a/examples/FaxSend.rb b/examples/FaxSend.rb
new file mode 100644
index 000000000..c37cbbd10
--- /dev/null
+++ b/examples/FaxSend.rb
@@ -0,0 +1,25 @@
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+data = Dropbox::Sign::FaxSendRequest.new
+data.files = [File.new("example_signature_request.pdf", "r")]
+data.test_mode = true
+data.recipient = "16690000001"
+data.sender = "16690000000"
+data.cover_page_to = "Jill Fax"
+data.cover_page_message = "I'm sending you a fax!"
+data.cover_page_from = "Faxer Faxerson"
+data.title = "This is what the fax is about!"
+
+begin
+  result = fax_api.fax_send(data)
+  p result
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
diff --git a/examples/FaxSend.sh b/examples/FaxSend.sh
new file mode 100644
index 000000000..7ab64cb31
--- /dev/null
+++ b/examples/FaxSend.sh
@@ -0,0 +1,10 @@
+curl -X POST 'https://api.hellosign.com/v3/fax/send' \
+  -u 'YOUR_API_KEY:' \
+  -F 'files[0]=@mutual-NDA-example.pdf' \
+  -F 'test_mode=1' \
+  -F 'recipient=16690000001' \
+  -F 'sender=16690000000' \
+  -F 'cover_page_to=Jill Fax' \
+  -F 'cover_page_message=I sent you a fax!' \
+  -F 'cover_page_from=Faxer Faxerson' \
+  -F 'title=This is what the fax is about!'
\ No newline at end of file
diff --git a/examples/FaxSend.ts b/examples/FaxSend.ts
new file mode 100644
index 000000000..2f3f6e25d
--- /dev/null
+++ b/examples/FaxSend.ts
@@ -0,0 +1,47 @@
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+// Upload a local file
+const file = fs.createReadStream("example_signature_request.pdf");
+
+// or, upload from buffer
+const fileBuffer: DropboxSign.RequestDetailedFile = {
+  value: fs.readFileSync("example_signature_request.pdf"),
+  options: {
+    filename: "example_signature_request.pdf",
+    contentType: "application/pdf",
+  },
+};
+
+// or, upload from buffer alternative
+const fileBufferAlt: DropboxSign.RequestDetailedFile = {
+  value: Buffer.from("abc-123"),
+  options: {
+    filename: "txt-sample.txt",
+    contentType: "text/plain",
+  },
+};
+
+const data: DropboxSign.FaxSendRequest = {
+  files: [ file, fileBuffer, fileBufferAlt ],
+  testMode: true,
+  recipient: "16690000001",
+  sender: "16690000000",
+  coverPageTo: "Jill Fax",
+  coverPageMessage: "I'm sending you a fax!",
+  coverPageFrom: "Faxer Faxerson",
+  title: "This is what the fax is about!",
+};
+
+const result = faxApi.faxSend(data);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
diff --git a/examples/json/FaxGetResponseExample.json b/examples/json/FaxGetResponseExample.json
new file mode 100644
index 000000000..30475f119
--- /dev/null
+++ b/examples/json/FaxGetResponseExample.json
@@ -0,0 +1,21 @@
+{
+    "fax": {
+        "fax_id": "c2e9691c85d9d6fa6ae773842e3680b2b8650f1d",
+        "title": "example title",
+        "original_title": "example original title",
+        "subject": "example subject",
+        "message": "example message",
+        "metadata": [],
+        "created_at": 1726774555,
+        "sender": "me@dropboxsign.com",
+        "transmissions": [
+          {
+            "recipient": "recipient@dropboxsign.com",
+            "sender": "me@dropboxsign.com",
+            "sent_at": 1723231831,
+            "status_code": "success"
+          }
+        ],
+        "files_url": "https://api.hellosign.com/v3/fax/files/2b388914e3ae3b738bd4e2ee2850c677e6dc53d2",
+    }
+}
\ No newline at end of file
diff --git a/examples/json/FaxListResponseExample.json b/examples/json/FaxListResponseExample.json
new file mode 100644
index 000000000..bf4f66bcc
--- /dev/null
+++ b/examples/json/FaxListResponseExample.json
@@ -0,0 +1,29 @@
+{
+    "list_info": {
+        "num_pages": 1,
+        "num_results": 1,
+        "page": 1,
+        "page_size": 1
+    },
+    "faxes": [
+        {
+          "fax_id": "c2e9691c85d9d6fa6ae773842e3680b2b8650f1d",
+          "title": "example title",
+          "original_title": "example original title",
+          "subject": "example subject",
+          "message": "example message",
+          "metadata": [],
+          "created_at": 1726774555,
+          "sender": "me@dropboxsign.com",
+          "transmissions": [
+            {
+              "recipient": "recipient@dropboxsign.com",
+              "sender": "me@dropboxsign.com",
+              "sent_at": 1723231831,
+              "status_code": "success"
+            }
+          ],
+          "files_url": "https://api.hellosign.com/v3/fax/files/2b388914e3ae3b738bd4e2ee2850c677e6dc53d2",
+        }
+    ]
+}
diff --git a/examples/json/FaxSendRequestExample.json b/examples/json/FaxSendRequestExample.json
new file mode 100644
index 000000000..fe7e68820
--- /dev/null
+++ b/examples/json/FaxSendRequestExample.json
@@ -0,0 +1,12 @@
+{
+  "file_url": [
+    "https://api.hellosign.com/v3/fax/files/2b388914e3ae3b738bd4e2ee2850c677e6dc53d2"
+  ],
+  "test_mode": "true",
+  "recipient": "16690000001",
+  "sender": "16690000000",
+  "cover_page_to": "Jill Fax",
+  "cover_page_message": "I'm sending you a fax!",
+  "cover_page_from": "Faxer Faxerson",
+  "title": "This is what the fax is about!"
+}
\ No newline at end of file
diff --git a/openapi-raw.yaml b/openapi-raw.yaml
index e0d57e123..5489d3bd4 100644
--- a/openapi-raw.yaml
+++ b/openapi-raw.yaml
@@ -1403,6 +1403,304 @@ paths:
         seo:
           title: '_t__EmbeddedSignUrl::SEO::TITLE'
           description: '_t__EmbeddedSignUrl::SEO::DESCRIPTION'
+  '/fax/{fax_id}':
+    get:
+      tags:
+        - Fax
+      summary: '_t__FaxGet::SUMMARY'
+      description: '_t__FaxGet::DESCRIPTION'
+      operationId: faxGet
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: '_t__FaxParam::FAX_ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        '200':
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxGetResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxGetResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxGet.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxGet.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxGet.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxGet.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxGet.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxGet.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxGet.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxGet.sh
+      x-meta:
+        seo:
+          title: '_t__FaxGet::SEO::TITLE'
+          description: '_t__FaxGet::SEO::DESCRIPTION'
+    delete:
+      tags:
+        - Fax
+      summary: '_t__FaxDelete::SUMMARY'
+      description: '_t__FaxDelete::DESCRIPTION'
+      operationId: faxDelete
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: '_t__FaxParam::FAX_ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        '204':
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxDelete.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxDelete.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxDelete.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxDelete.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxDelete.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxDelete.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxDelete.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxDelete.sh
+      x-meta:
+        seo:
+          title: '_t__FaxDelete::SEO::TITLE'
+          description: '_t__FaxDelete::SEO::DESCRIPTION'
+  '/fax/files/{fax_id}':
+    get:
+      tags:
+        - Fax
+      summary: '_t__FaxFiles::SUMMARY'
+      description: '_t__FaxFiles::DESCRIPTION'
+      operationId: faxFiles
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: '_t__FaxParam::FAX_ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        '200':
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/pdf:
+              schema:
+                type: string
+                format: binary
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                410_example:
+                  $ref: '#/components/examples/Error410ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxFiles.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxFiles.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxFiles.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxFiles.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxFiles.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxFiles.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxFiles.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxFiles.sh
+      x-meta:
+        seo:
+          title: '_t__FaxFiles::SEO::TITLE'
+          description: '_t__FaxFiles::SEO::DESCRIPTION'
   /fax_line/add_user:
     put:
       tags:
@@ -2200,6 +2498,220 @@ paths:
         seo:
           title: '_t__FaxLineRemoveUser::SEO::TITLE'
           description: '_t__FaxLineRemoveUser::SEO::DESCRIPTION'
+  /fax/list:
+    get:
+      tags:
+        - Fax
+      summary: '_t__FaxList::SUMMARY'
+      description: '_t__FaxList::DESCRIPTION'
+      operationId: faxList
+      parameters:
+        -
+          name: page
+          in: query
+          description: '_t__FaxList::PAGE'
+          schema:
+            type: integer
+            default: 1
+            minimum: 1
+          example: 1
+        -
+          name: page_size
+          in: query
+          description: '_t__FaxList::PAGE_SIZE'
+          schema:
+            type: integer
+            default: 20
+            maximum: 100
+            minimum: 1
+          example: 20
+      responses:
+        '200':
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxListResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxListResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxList.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxList.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxList.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxList.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxList.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxList.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxList.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxList.sh
+      x-meta:
+        seo:
+          title: '_t__FaxList::SEO::TITLE'
+          description: '_t__FaxList::SEO::DESCRIPTION'
+  /fax/send:
+    post:
+      tags:
+        - Fax
+      summary: '_t__FaxSend::SUMMARY'
+      description: '_t__FaxSend::DESCRIPTION'
+      operationId: faxSend
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/FaxSendRequest'
+            examples:
+              default_example:
+                $ref: '#/components/examples/FaxSendRequestExample'
+          multipart/form-data:
+            schema:
+              $ref: '#/components/schemas/FaxSendRequest'
+      responses:
+        '200':
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxGetResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxGetResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxSend.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxSend.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxSend.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxSend.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxSend.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxSend.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxSend.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxSend.sh
+      x-meta:
+        seo:
+          title: '_t__FaxSend::SEO::TITLE'
+          description: '_t__FaxSend::SEO::DESCRIPTION'
   /oauth/token:
     post:
       tags:
@@ -7285,6 +7797,50 @@ components:
           type: string
           format: email
       type: object
+    FaxSendRequest:
+      required:
+        - recipient
+      properties:
+        recipient:
+          description: '_t__FaxSend::RECIPIENT'
+          type: string
+          example: recipient@example.com
+        sender:
+          description: '_t__FaxSend::SENDER'
+          type: string
+          example: sender@example.com
+        files:
+          description: '_t__FaxSend::FILE'
+          type: array
+          items:
+            type: string
+            format: binary
+        file_urls:
+          description: '_t__FaxSend::FILE_URL'
+          type: array
+          items:
+            type: string
+        test_mode:
+          description: '_t__FaxSend::TEST_MODE'
+          type: boolean
+          default: false
+        cover_page_to:
+          description: '_t__FaxSend::COVER_PAGE_TO'
+          type: string
+          example: 'Recipient Name'
+        cover_page_from:
+          description: '_t__FaxSend::COVER_PAGE_FROM'
+          type: string
+          example: 'Sender Name'
+        cover_page_message:
+          description: '_t__FaxSend::COVER_PAGE_MESSAGE'
+          type: string
+          example: 'Please find the attached documents.'
+        title:
+          description: '_t__FaxSend::TITLE'
+          type: string
+          example: 'Fax Title'
+      type: object
     OAuthTokenGenerateRequest:
       required:
         - client_id
@@ -9643,6 +10199,19 @@ components:
         error:
           $ref: '#/components/schemas/ErrorResponseError'
       type: object
+    FaxGetResponse:
+      required:
+        - fax
+      properties:
+        fax:
+          $ref: '#/components/schemas/FaxResponse'
+        warnings:
+          description: '_t__WarningResponse::LIST_DESCRIPTION'
+          type: array
+          items:
+            $ref: '#/components/schemas/WarningResponse'
+      type: object
+      x-internal-class: true
     FaxLineResponse:
       required:
         - fax_line
@@ -9678,6 +10247,19 @@ components:
           $ref: '#/components/schemas/WarningResponse'
       type: object
       x-internal-class: true
+    FaxListResponse:
+      required:
+        - faxes
+        - list_info
+      properties:
+        faxes:
+          type: array
+          items:
+            $ref: '#/components/schemas/FaxResponse'
+        list_info:
+          $ref: '#/components/schemas/ListInfoResponse'
+      type: object
+      x-internal-class: true
     FileResponse:
       required:
         - file_url
@@ -10057,6 +10639,54 @@ components:
           description: '_t__ErrorResponseError::ERROR_NAME'
           type: string
       type: object
+    FaxResponse:
+      required:
+        - fax_id
+        - title
+        - original_title
+        - subject
+        - message
+        - metadata
+        - created_at
+        - sender
+        - transmissions
+        - files_url
+      properties:
+        fax_id:
+          description: '_t__FaxResponse::FAX_ID'
+          type: string
+        title:
+          description: '_t__FaxResponse::TITLE'
+          type: string
+        original_title:
+          description: '_t__FaxResponse::ORIGINAL_TITLE'
+          type: string
+        subject:
+          description: '_t__FaxResponse::SUBJECT'
+          type: string
+        message:
+          description: '_t__FaxResponse::MESSAGE'
+          type: string
+        metadata:
+          description: '_t__FaxResponse::METADATA'
+          type: object
+          additionalProperties: {  }
+        created_at:
+          description: '_t__FaxResponse::CREATED_AT'
+          type: integer
+        sender:
+          description: '_t__FaxResponse::SENDER'
+          type: string
+        transmissions:
+          description: '_t__FaxResponse::TRANSMISSIONS'
+          type: array
+          items:
+            $ref: '#/components/schemas/FaxResponseTransmission'
+        files_url:
+          description: '_t__FaxResponse::FILES_URL'
+          type: string
+      type: object
+      x-internal-class: true
     FaxLineResponseFaxLine:
       required:
         - accounts
@@ -10079,6 +10709,35 @@ components:
             $ref: '#/components/schemas/AccountResponse'
       type: object
       x-internal-class: true
+    FaxResponseTransmission:
+      required:
+        - recipient
+        - sender
+        - status_code
+      properties:
+        recipient:
+          description: '_t__Sub::FaxResponseTransmission::RECIPIENT'
+          type: string
+        sender:
+          description: '_t__Sub::FaxResponseTransmission::SENDER'
+          type: string
+        status_code:
+          description: '_t__Sub::FaxResponseTransmission::STATUS_CODE'
+          type: string
+          enum:
+            - success
+            - transmitting
+            - error_could_not_fax
+            - error_unknown
+            - error_busy
+            - error_no_answer
+            - error_disconnected
+            - error_bad_destination
+        sent_at:
+          description: '_t__Sub::FaxResponseTransmission::SENT_AT'
+          type: integer
+      type: object
+      x-internal-class: true
     ListInfoResponse:
       description: '_t__ListInfoResponse::DESCRIPTION'
       properties:
@@ -11795,6 +12454,10 @@ components:
       summary: 'Default Example'
       value:
         $ref: examples/json/FaxLineRemoveUserRequestExample.json
+    FaxSendRequestExample:
+      summary: 'Default Example'
+      value:
+        $ref: examples/json/FaxSendRequestExample.json
     OAuthTokenGenerateRequestExample:
       summary: 'OAuth Token Generate Example'
       value:
@@ -12039,6 +12702,10 @@ components:
       summary: '_t__Error::4XX'
       value:
         $ref: examples/json/Error4XXResponseExample.json
+    FaxGetResponseExample:
+      summary: '_t__FaxGetResponseExample::SUMMARY'
+      value:
+        $ref: examples/json/FaxGetResponseExample.json
     FaxLineResponseExample:
       summary: '_t__FaxLineResponseExample::SUMMARY'
       value:
@@ -12051,6 +12718,10 @@ components:
       summary: '_t__FaxLineListResponseExample::SUMMARY'
       value:
         $ref: examples/json/FaxLineListResponseExample.json
+    FaxListResponseExample:
+      summary: '_t__FaxListResponseExample::SUMMARY'
+      value:
+        $ref: examples/json/FaxListResponseExample.json
     ReportCreateResponseExample:
       summary: '_t__ReportCreateResponseExample::SUMMARY'
       value:
diff --git a/openapi-sdk.yaml b/openapi-sdk.yaml
index f24937c67..db1c5b203 100644
--- a/openapi-sdk.yaml
+++ b/openapi-sdk.yaml
@@ -1409,6 +1409,304 @@ paths:
         seo:
           title: 'Get Embedded Sign URL | iFrame | Dropbox Sign for Developers'
           description: 'The Dropbox Sign API allows you to build custom integrations. To find out how to retrieve an embedded iFrame object containing a signature url, click here.'
+  '/fax/{fax_id}':
+    get:
+      tags:
+        - Fax
+      summary: 'Get Fax'
+      description: 'Returns information about fax'
+      operationId: faxGet
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: 'Fax ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxGetResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxGetResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxGet.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxGet.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxGet.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxGet.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxGet.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxGet.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxGet.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxGet.sh
+      x-meta:
+        seo:
+          title: 'Get Fax | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to retrieve a fax, click here.'
+    delete:
+      tags:
+        - Fax
+      summary: 'Delete Fax'
+      description: 'Deletes the specified Fax from the system.'
+      operationId: faxDelete
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: 'Fax ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        204:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxDelete.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxDelete.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxDelete.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxDelete.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxDelete.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxDelete.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxDelete.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxDelete.sh
+      x-meta:
+        seo:
+          title: 'Delete Fax | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to delete a fax, click here.'
+  '/fax/files/{fax_id}':
+    get:
+      tags:
+        - Fax
+      summary: 'List Fax Files'
+      description: 'Returns list of fax files'
+      operationId: faxFiles
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: 'Fax ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/pdf:
+              schema:
+                type: string
+                format: binary
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                410_example:
+                  $ref: '#/components/examples/Error410ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxFiles.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxFiles.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxFiles.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxFiles.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxFiles.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxFiles.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxFiles.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxFiles.sh
+      x-meta:
+        seo:
+          title: 'Fax Files | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to list fax files, click here.'
   /fax_line/add_user:
     put:
       tags:
@@ -2206,6 +2504,220 @@ paths:
         seo:
           title: 'Fax Line Remove User | API Documentation | Dropbox Fax for Developers'
           description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to remove a user from an existing fax line, click here.'
+  /fax/list:
+    get:
+      tags:
+        - Fax
+      summary: 'Lists Faxes'
+      description: 'Returns properties of multiple faxes'
+      operationId: faxList
+      parameters:
+        -
+          name: page
+          in: query
+          description: Page
+          schema:
+            type: integer
+            default: 1
+            minimum: 1
+          example: 1
+        -
+          name: page_size
+          in: query
+          description: 'Page size'
+          schema:
+            type: integer
+            default: 20
+            maximum: 100
+            minimum: 1
+          example: 20
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxListResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxListResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxList.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxList.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxList.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxList.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxList.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxList.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxList.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxList.sh
+      x-meta:
+        seo:
+          title: 'List Faxes | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to list your faxes, click here.'
+  /fax/send:
+    post:
+      tags:
+        - Fax
+      summary: 'Send Fax'
+      description: 'Action to prepare and send a fax'
+      operationId: faxSend
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/FaxSendRequest'
+            examples:
+              default_example:
+                $ref: '#/components/examples/FaxSendRequestExample'
+          multipart/form-data:
+            schema:
+              $ref: '#/components/schemas/FaxSendRequest'
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxGetResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxGetResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxSend.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxSend.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxSend.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxSend.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxSend.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxSend.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxSend.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxSend.sh
+      x-meta:
+        seo:
+          title: 'Send Fax| API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to send a fax, click here.'
   /oauth/token:
     post:
       tags:
@@ -7379,6 +7891,50 @@ components:
           type: string
           format: email
       type: object
+    FaxSendRequest:
+      required:
+        - recipient
+      properties:
+        recipient:
+          description: 'Fax Send To Recipient'
+          type: string
+          example: recipient@example.com
+        sender:
+          description: 'Fax Send From Sender (used only with fax number)'
+          type: string
+          example: sender@example.com
+        files:
+          description: 'Fax File to Send'
+          type: array
+          items:
+            type: string
+            format: binary
+        file_urls:
+          description: 'Fax File URL to Send'
+          type: array
+          items:
+            type: string
+        test_mode:
+          description: 'API Test Mode Setting'
+          type: boolean
+          default: false
+        cover_page_to:
+          description: 'Fax Cover Page for Recipient'
+          type: string
+          example: 'Recipient Name'
+        cover_page_from:
+          description: 'Fax Cover Page for Sender'
+          type: string
+          example: 'Sender Name'
+        cover_page_message:
+          description: 'Fax Cover Page Message'
+          type: string
+          example: 'Please find the attached documents.'
+        title:
+          description: 'Fax Title'
+          type: string
+          example: 'Fax Title'
+      type: object
     OAuthTokenGenerateRequest:
       required:
         - client_id
@@ -10251,6 +10807,19 @@ components:
         error:
           $ref: '#/components/schemas/ErrorResponseError'
       type: object
+    FaxGetResponse:
+      required:
+        - fax
+      properties:
+        fax:
+          $ref: '#/components/schemas/FaxResponse'
+        warnings:
+          description: 'A list of warnings.'
+          type: array
+          items:
+            $ref: '#/components/schemas/WarningResponse'
+      type: object
+      x-internal-class: true
     FaxLineResponse:
       required:
         - fax_line
@@ -10286,6 +10855,19 @@ components:
           $ref: '#/components/schemas/WarningResponse'
       type: object
       x-internal-class: true
+    FaxListResponse:
+      required:
+        - faxes
+        - list_info
+      properties:
+        faxes:
+          type: array
+          items:
+            $ref: '#/components/schemas/FaxResponse'
+        list_info:
+          $ref: '#/components/schemas/ListInfoResponse'
+      type: object
+      x-internal-class: true
     FileResponse:
       required:
         - file_url
@@ -10665,6 +11247,54 @@ components:
           description: 'Name of the error.'
           type: string
       type: object
+    FaxResponse:
+      required:
+        - fax_id
+        - title
+        - original_title
+        - subject
+        - message
+        - metadata
+        - created_at
+        - sender
+        - transmissions
+        - files_url
+      properties:
+        fax_id:
+          description: 'Fax ID'
+          type: string
+        title:
+          description: 'Fax Title'
+          type: string
+        original_title:
+          description: 'Fax Original Title'
+          type: string
+        subject:
+          description: 'Fax Subject'
+          type: string
+        message:
+          description: 'Fax Message'
+          type: string
+        metadata:
+          description: 'Fax Metadata'
+          type: object
+          additionalProperties: {}
+        created_at:
+          description: 'Fax Created At Timestamp'
+          type: integer
+        sender:
+          description: 'Fax Sender Email'
+          type: string
+        transmissions:
+          description: 'Fax Transmissions List'
+          type: array
+          items:
+            $ref: '#/components/schemas/FaxResponseTransmission'
+        files_url:
+          description: 'Fax Files URL'
+          type: string
+      type: object
+      x-internal-class: true
     FaxLineResponseFaxLine:
       required:
         - accounts
@@ -10687,6 +11317,35 @@ components:
             $ref: '#/components/schemas/AccountResponse'
       type: object
       x-internal-class: true
+    FaxResponseTransmission:
+      required:
+        - recipient
+        - sender
+        - status_code
+      properties:
+        recipient:
+          description: 'Fax Transmission Recipient'
+          type: string
+        sender:
+          description: 'Fax Transmission Sender'
+          type: string
+        status_code:
+          description: 'Fax Transmission Status Code'
+          type: string
+          enum:
+            - success
+            - transmitting
+            - error_could_not_fax
+            - error_unknown
+            - error_busy
+            - error_no_answer
+            - error_disconnected
+            - error_bad_destination
+        sent_at:
+          description: 'Fax Transmission Sent Timestamp'
+          type: integer
+      type: object
+      x-internal-class: true
     ListInfoResponse:
       description: 'Contains pagination information about the data returned.'
       properties:
@@ -12587,6 +13246,10 @@ components:
       summary: 'Default Example'
       value:
         $ref: examples/json/FaxLineRemoveUserRequestExample.json
+    FaxSendRequestExample:
+      summary: 'Default Example'
+      value:
+        $ref: examples/json/FaxSendRequestExample.json
     OAuthTokenGenerateRequestExample:
       summary: 'OAuth Token Generate Example'
       value:
@@ -12831,6 +13494,10 @@ components:
       summary: 'Error 4XX failed_operation'
       value:
         $ref: examples/json/Error4XXResponseExample.json
+    FaxGetResponseExample:
+      summary: 'Fax Response'
+      value:
+        $ref: examples/json/FaxGetResponseExample.json
     FaxLineResponseExample:
       summary: 'Sample Fax Line Response'
       value:
@@ -12843,6 +13510,10 @@ components:
       summary: 'Sample Fax Line List Response'
       value:
         $ref: examples/json/FaxLineListResponseExample.json
+    FaxListResponseExample:
+      summary: 'Returns the properties and settings of multiple Faxes.'
+      value:
+        $ref: examples/json/FaxListResponseExample.json
     ReportCreateResponseExample:
       summary: Report
       value:
diff --git a/openapi.yaml b/openapi.yaml
index 56be94ebe..4962a5d25 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -1409,6 +1409,304 @@ paths:
         seo:
           title: 'Get Embedded Sign URL | iFrame | Dropbox Sign for Developers'
           description: 'The Dropbox Sign API allows you to build custom integrations. To find out how to retrieve an embedded iFrame object containing a signature url, click here.'
+  '/fax/{fax_id}':
+    get:
+      tags:
+        - Fax
+      summary: 'Get Fax'
+      description: 'Returns information about fax'
+      operationId: faxGet
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: 'Fax ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxGetResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxGetResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxGet.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxGet.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxGet.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxGet.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxGet.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxGet.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxGet.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxGet.sh
+      x-meta:
+        seo:
+          title: 'Get Fax | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to retrieve a fax, click here.'
+    delete:
+      tags:
+        - Fax
+      summary: 'Delete Fax'
+      description: 'Deletes the specified Fax from the system.'
+      operationId: faxDelete
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: 'Fax ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        204:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxDelete.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxDelete.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxDelete.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxDelete.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxDelete.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxDelete.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxDelete.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxDelete.sh
+      x-meta:
+        seo:
+          title: 'Delete Fax | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to delete a fax, click here.'
+  '/fax/files/{fax_id}':
+    get:
+      tags:
+        - Fax
+      summary: 'List Fax Files'
+      description: 'Returns list of fax files'
+      operationId: faxFiles
+      parameters:
+        -
+          name: fax_id
+          in: path
+          description: 'Fax ID'
+          required: true
+          schema:
+            type: string
+          example: fa5c8a0b0f492d768749333ad6fcc214c111e967
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/pdf:
+              schema:
+                type: string
+                format: binary
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                410_example:
+                  $ref: '#/components/examples/Error410ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxFiles.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxFiles.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxFiles.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxFiles.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxFiles.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxFiles.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxFiles.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxFiles.sh
+      x-meta:
+        seo:
+          title: 'Fax Files | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to list fax files, click here.'
   /fax_line/add_user:
     put:
       tags:
@@ -2206,6 +2504,220 @@ paths:
         seo:
           title: 'Fax Line Remove User | API Documentation | Dropbox Fax for Developers'
           description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to remove a user from an existing fax line, click here.'
+  /fax/list:
+    get:
+      tags:
+        - Fax
+      summary: 'Lists Faxes'
+      description: 'Returns properties of multiple faxes'
+      operationId: faxList
+      parameters:
+        -
+          name: page
+          in: query
+          description: Page
+          schema:
+            type: integer
+            default: 1
+            minimum: 1
+          example: 1
+        -
+          name: page_size
+          in: query
+          description: 'Page size'
+          schema:
+            type: integer
+            default: 20
+            maximum: 100
+            minimum: 1
+          example: 20
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxListResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxListResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxList.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxList.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxList.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxList.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxList.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxList.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxList.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxList.sh
+      x-meta:
+        seo:
+          title: 'List Faxes | API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to list your faxes, click here.'
+  /fax/send:
+    post:
+      tags:
+        - Fax
+      summary: 'Send Fax'
+      description: 'Action to prepare and send a fax'
+      operationId: faxSend
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/FaxSendRequest'
+            examples:
+              default_example:
+                $ref: '#/components/examples/FaxSendRequestExample'
+          multipart/form-data:
+            schema:
+              $ref: '#/components/schemas/FaxSendRequest'
+      responses:
+        200:
+          description: 'successful operation'
+          headers:
+            X-RateLimit-Limit:
+              $ref: '#/components/headers/X-RateLimit-Limit'
+            X-RateLimit-Remaining:
+              $ref: '#/components/headers/X-RateLimit-Remaining'
+            X-Ratelimit-Reset:
+              $ref: '#/components/headers/X-Ratelimit-Reset'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FaxGetResponse'
+              examples:
+                default_example:
+                  $ref: '#/components/examples/FaxGetResponseExample'
+        4XX:
+          description: failed_operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+              examples:
+                400_example:
+                  $ref: '#/components/examples/Error400ResponseExample'
+                401_example:
+                  $ref: '#/components/examples/Error401ResponseExample'
+                402_example:
+                  $ref: '#/components/examples/Error402ResponseExample'
+                403_example:
+                  $ref: '#/components/examples/Error403ResponseExample'
+                404_example:
+                  $ref: '#/components/examples/Error404ResponseExample'
+                429_example:
+                  $ref: '#/components/examples/Error429ResponseExample'
+                4XX_example:
+                  $ref: '#/components/examples/Error4XXResponseExample'
+      security:
+        -
+          api_key: []
+      x-codeSamples:
+        -
+          lang: PHP
+          label: PHP
+          source:
+            $ref: examples/FaxSend.php
+        -
+          lang: 'C#'
+          label: 'C#'
+          source:
+            $ref: examples/FaxSend.cs
+        -
+          lang: JavaScript
+          label: JavaScript
+          source:
+            $ref: examples/FaxSend.js
+        -
+          lang: TypeScript
+          label: TypeScript
+          source:
+            $ref: examples/FaxSend.ts
+        -
+          lang: Java
+          label: Java
+          source:
+            $ref: examples/FaxSend.java
+        -
+          lang: Ruby
+          label: Ruby
+          source:
+            $ref: examples/FaxSend.rb
+        -
+          lang: Python
+          label: Python
+          source:
+            $ref: examples/FaxSend.py
+        -
+          lang: cURL
+          label: cURL
+          source:
+            $ref: examples/FaxSend.sh
+      x-meta:
+        seo:
+          title: 'Send Fax| API Documentation | Dropbox Fax for Developers'
+          description: 'The Dropbox Fax API allows you to build custom integrations. To find out how to send a fax, click here.'
   /oauth/token:
     post:
       tags:
@@ -7379,6 +7891,50 @@ components:
           type: string
           format: email
       type: object
+    FaxSendRequest:
+      required:
+        - recipient
+      properties:
+        recipient:
+          description: 'Fax Send To Recipient'
+          type: string
+          example: recipient@example.com
+        sender:
+          description: 'Fax Send From Sender (used only with fax number)'
+          type: string
+          example: sender@example.com
+        files:
+          description: 'Fax File to Send'
+          type: array
+          items:
+            type: string
+            format: binary
+        file_urls:
+          description: 'Fax File URL to Send'
+          type: array
+          items:
+            type: string
+        test_mode:
+          description: 'API Test Mode Setting'
+          type: boolean
+          default: false
+        cover_page_to:
+          description: 'Fax Cover Page for Recipient'
+          type: string
+          example: 'Recipient Name'
+        cover_page_from:
+          description: 'Fax Cover Page for Sender'
+          type: string
+          example: 'Sender Name'
+        cover_page_message:
+          description: 'Fax Cover Page Message'
+          type: string
+          example: 'Please find the attached documents.'
+        title:
+          description: 'Fax Title'
+          type: string
+          example: 'Fax Title'
+      type: object
     OAuthTokenGenerateRequest:
       required:
         - client_id
@@ -10229,6 +10785,19 @@ components:
         error:
           $ref: '#/components/schemas/ErrorResponseError'
       type: object
+    FaxGetResponse:
+      required:
+        - fax
+      properties:
+        fax:
+          $ref: '#/components/schemas/FaxResponse'
+        warnings:
+          description: 'A list of warnings.'
+          type: array
+          items:
+            $ref: '#/components/schemas/WarningResponse'
+      type: object
+      x-internal-class: true
     FaxLineResponse:
       required:
         - fax_line
@@ -10264,6 +10833,19 @@ components:
           $ref: '#/components/schemas/WarningResponse'
       type: object
       x-internal-class: true
+    FaxListResponse:
+      required:
+        - faxes
+        - list_info
+      properties:
+        faxes:
+          type: array
+          items:
+            $ref: '#/components/schemas/FaxResponse'
+        list_info:
+          $ref: '#/components/schemas/ListInfoResponse'
+      type: object
+      x-internal-class: true
     FileResponse:
       required:
         - file_url
@@ -10643,6 +11225,54 @@ components:
           description: 'Name of the error.'
           type: string
       type: object
+    FaxResponse:
+      required:
+        - fax_id
+        - title
+        - original_title
+        - subject
+        - message
+        - metadata
+        - created_at
+        - sender
+        - transmissions
+        - files_url
+      properties:
+        fax_id:
+          description: 'Fax ID'
+          type: string
+        title:
+          description: 'Fax Title'
+          type: string
+        original_title:
+          description: 'Fax Original Title'
+          type: string
+        subject:
+          description: 'Fax Subject'
+          type: string
+        message:
+          description: 'Fax Message'
+          type: string
+        metadata:
+          description: 'Fax Metadata'
+          type: object
+          additionalProperties: {}
+        created_at:
+          description: 'Fax Created At Timestamp'
+          type: integer
+        sender:
+          description: 'Fax Sender Email'
+          type: string
+        transmissions:
+          description: 'Fax Transmissions List'
+          type: array
+          items:
+            $ref: '#/components/schemas/FaxResponseTransmission'
+        files_url:
+          description: 'Fax Files URL'
+          type: string
+      type: object
+      x-internal-class: true
     FaxLineResponseFaxLine:
       required:
         - accounts
@@ -10665,6 +11295,35 @@ components:
             $ref: '#/components/schemas/AccountResponse'
       type: object
       x-internal-class: true
+    FaxResponseTransmission:
+      required:
+        - recipient
+        - sender
+        - status_code
+      properties:
+        recipient:
+          description: 'Fax Transmission Recipient'
+          type: string
+        sender:
+          description: 'Fax Transmission Sender'
+          type: string
+        status_code:
+          description: 'Fax Transmission Status Code'
+          type: string
+          enum:
+            - success
+            - transmitting
+            - error_could_not_fax
+            - error_unknown
+            - error_busy
+            - error_no_answer
+            - error_disconnected
+            - error_bad_destination
+        sent_at:
+          description: 'Fax Transmission Sent Timestamp'
+          type: integer
+      type: object
+      x-internal-class: true
     ListInfoResponse:
       description: 'Contains pagination information about the data returned.'
       properties:
@@ -12565,6 +13224,10 @@ components:
       summary: 'Default Example'
       value:
         $ref: examples/json/FaxLineRemoveUserRequestExample.json
+    FaxSendRequestExample:
+      summary: 'Default Example'
+      value:
+        $ref: examples/json/FaxSendRequestExample.json
     OAuthTokenGenerateRequestExample:
       summary: 'OAuth Token Generate Example'
       value:
@@ -12809,6 +13472,10 @@ components:
       summary: 'Error 4XX failed_operation'
       value:
         $ref: examples/json/Error4XXResponseExample.json
+    FaxGetResponseExample:
+      summary: 'Fax Response'
+      value:
+        $ref: examples/json/FaxGetResponseExample.json
     FaxLineResponseExample:
       summary: 'Sample Fax Line Response'
       value:
@@ -12821,6 +13488,10 @@ components:
       summary: 'Sample Fax Line List Response'
       value:
         $ref: examples/json/FaxLineListResponseExample.json
+    FaxListResponseExample:
+      summary: 'Returns the properties and settings of multiple Faxes.'
+      value:
+        $ref: examples/json/FaxListResponseExample.json
     ReportCreateResponseExample:
       summary: Report
       value:
diff --git a/sdks/dotnet/README.md b/sdks/dotnet/README.md
index e3507dbe3..a7c0c0edb 100644
--- a/sdks/dotnet/README.md
+++ b/sdks/dotnet/README.md
@@ -141,6 +141,11 @@ Class | Method | HTTP request | Description
 *BulkSendJobApi* | [**BulkSendJobList**](docs/BulkSendJobApi.md#bulksendjoblist) | **GET** /bulk_send_job/list | List Bulk Send Jobs
 *EmbeddedApi* | [**EmbeddedEditUrl**](docs/EmbeddedApi.md#embeddedediturl) | **POST** /embedded/edit_url/{template_id} | Get Embedded Template Edit URL
 *EmbeddedApi* | [**EmbeddedSignUrl**](docs/EmbeddedApi.md#embeddedsignurl) | **GET** /embedded/sign_url/{signature_id} | Get Embedded Sign URL
+*FaxApi* | [**FaxDelete**](docs/FaxApi.md#faxdelete) | **DELETE** /fax/{fax_id} | Delete Fax
+*FaxApi* | [**FaxFiles**](docs/FaxApi.md#faxfiles) | **GET** /fax/files/{fax_id} | List Fax Files
+*FaxApi* | [**FaxGet**](docs/FaxApi.md#faxget) | **GET** /fax/{fax_id} | Get Fax
+*FaxApi* | [**FaxList**](docs/FaxApi.md#faxlist) | **GET** /fax/list | Lists Faxes
+*FaxApi* | [**FaxSend**](docs/FaxApi.md#faxsend) | **POST** /fax/send | Send Fax
 *FaxLineApi* | [**FaxLineAddUser**](docs/FaxLineApi.md#faxlineadduser) | **PUT** /fax_line/add_user | Add Fax Line User
 *FaxLineApi* | [**FaxLineAreaCodeGet**](docs/FaxLineApi.md#faxlineareacodeget) | **GET** /fax_line/area_codes | Get Available Fax Line Area Codes
 *FaxLineApi* | [**FaxLineCreate**](docs/FaxLineApi.md#faxlinecreate) | **POST** /fax_line/create | Purchase Fax Line
@@ -231,6 +236,7 @@ Class | Method | HTTP request | Description
  - [Model.EventCallbackRequest](docs/EventCallbackRequest.md)
  - [Model.EventCallbackRequestEvent](docs/EventCallbackRequestEvent.md)
  - [Model.EventCallbackRequestEventMetadata](docs/EventCallbackRequestEventMetadata.md)
+ - [Model.FaxGetResponse](docs/FaxGetResponse.md)
  - [Model.FaxLineAddUserRequest](docs/FaxLineAddUserRequest.md)
  - [Model.FaxLineAreaCodeGetCountryEnum](docs/FaxLineAreaCodeGetCountryEnum.md)
  - [Model.FaxLineAreaCodeGetProvinceEnum](docs/FaxLineAreaCodeGetProvinceEnum.md)
@@ -242,6 +248,10 @@ Class | Method | HTTP request | Description
  - [Model.FaxLineRemoveUserRequest](docs/FaxLineRemoveUserRequest.md)
  - [Model.FaxLineResponse](docs/FaxLineResponse.md)
  - [Model.FaxLineResponseFaxLine](docs/FaxLineResponseFaxLine.md)
+ - [Model.FaxListResponse](docs/FaxListResponse.md)
+ - [Model.FaxResponse](docs/FaxResponse.md)
+ - [Model.FaxResponseTransmission](docs/FaxResponseTransmission.md)
+ - [Model.FaxSendRequest](docs/FaxSendRequest.md)
  - [Model.FileResponse](docs/FileResponse.md)
  - [Model.FileResponseDataUri](docs/FileResponseDataUri.md)
  - [Model.ListInfoResponse](docs/ListInfoResponse.md)
diff --git a/sdks/dotnet/docs/FaxApi.md b/sdks/dotnet/docs/FaxApi.md
new file mode 100644
index 000000000..303d4eff9
--- /dev/null
+++ b/sdks/dotnet/docs/FaxApi.md
@@ -0,0 +1,489 @@
+# Dropbox.Sign.Api.FaxApi
+
+All URIs are relative to *https://api.hellosign.com/v3*
+
+| Method | HTTP request | Description |
+|--------|--------------|-------------|
+| [**FaxDelete**](FaxApi.md#faxdelete) | **DELETE** /fax/{fax_id} | Delete Fax |
+| [**FaxFiles**](FaxApi.md#faxfiles) | **GET** /fax/files/{fax_id} | List Fax Files |
+| [**FaxGet**](FaxApi.md#faxget) | **GET** /fax/{fax_id} | Get Fax |
+| [**FaxList**](FaxApi.md#faxlist) | **GET** /fax/list | Lists Faxes |
+| [**FaxSend**](FaxApi.md#faxsend) | **POST** /fax/send | Send Fax |
+
+<a id="faxdelete"></a>
+# **FaxDelete**
+> void FaxDelete (string faxId)
+
+Delete Fax
+
+Deletes the specified Fax from the system.
+
+### Example
+```csharp
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        try
+        {
+            faxApi.FaxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
+
+```
+
+#### Using the FaxDeleteWithHttpInfo variant
+This returns an ApiResponse object which contains the response data, status code and headers.
+
+```csharp
+try
+{
+    // Delete Fax
+    apiInstance.FaxDeleteWithHttpInfo(faxId);
+}
+catch (ApiException e)
+{
+    Debug.Print("Exception when calling FaxApi.FaxDeleteWithHttpInfo: " + e.Message);
+    Debug.Print("Status Code: " + e.ErrorCode);
+    Debug.Print(e.StackTrace);
+}
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+|------|------|-------------|-------|
+| **faxId** | **string** | Fax ID |  |
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **204** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+<a id="faxfiles"></a>
+# **FaxFiles**
+> System.IO.Stream FaxFiles (string faxId)
+
+List Fax Files
+
+Returns list of fax files
+
+### Example
+```csharp
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try
+        {
+            var result = faxApi.FaxFiles(faxId);
+            var fileStream = File.Create("file_response.pdf");
+            result.Seek(0, SeekOrigin.Begin);
+            result.CopyTo(fileStream);
+            fileStream.Close();
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
+
+```
+
+#### Using the FaxFilesWithHttpInfo variant
+This returns an ApiResponse object which contains the response data, status code and headers.
+
+```csharp
+try
+{
+    // List Fax Files
+    ApiResponse<System.IO.Stream> response = apiInstance.FaxFilesWithHttpInfo(faxId);
+    Debug.Write("Status Code: " + response.StatusCode);
+    Debug.Write("Response Headers: " + response.Headers);
+    Debug.Write("Response Body: " + response.Data);
+}
+catch (ApiException e)
+{
+    Debug.Print("Exception when calling FaxApi.FaxFilesWithHttpInfo: " + e.Message);
+    Debug.Print("Status Code: " + e.ErrorCode);
+    Debug.Print(e.StackTrace);
+}
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+|------|------|-------------|-------|
+| **faxId** | **string** | Fax ID |  |
+
+### Return type
+
+**System.IO.Stream**
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/pdf, application/json
+
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+<a id="faxget"></a>
+# **FaxGet**
+> FaxGetResponse FaxGet (string faxId)
+
+Get Fax
+
+Returns information about fax
+
+### Example
+```csharp
+using System;
+
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        // Configure HTTP basic authorization: api_key
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try
+        {
+            var result = faxApi.FaxGet(faxId);
+            Console.WriteLine(result);
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
+
+```
+
+#### Using the FaxGetWithHttpInfo variant
+This returns an ApiResponse object which contains the response data, status code and headers.
+
+```csharp
+try
+{
+    // Get Fax
+    ApiResponse<FaxGetResponse> response = apiInstance.FaxGetWithHttpInfo(faxId);
+    Debug.Write("Status Code: " + response.StatusCode);
+    Debug.Write("Response Headers: " + response.Headers);
+    Debug.Write("Response Body: " + response.Data);
+}
+catch (ApiException e)
+{
+    Debug.Print("Exception when calling FaxApi.FaxGetWithHttpInfo: " + e.Message);
+    Debug.Print("Status Code: " + e.ErrorCode);
+    Debug.Print(e.StackTrace);
+}
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+|------|------|-------------|-------|
+| **faxId** | **string** | Fax ID |  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+<a id="faxlist"></a>
+# **FaxList**
+> FaxListResponse FaxList (int? page = null, int? pageSize = null)
+
+Lists Faxes
+
+Returns properties of multiple faxes
+
+### Example
+```csharp
+using System;
+
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        // Configure HTTP basic authorization: api_key
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var page = 1;
+        var pageSize = 2;
+
+        try
+        {
+            var result = faxApi.FaxList(page, pageSize);
+            Console.WriteLine(result);
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
+
+```
+
+#### Using the FaxListWithHttpInfo variant
+This returns an ApiResponse object which contains the response data, status code and headers.
+
+```csharp
+try
+{
+    // Lists Faxes
+    ApiResponse<FaxListResponse> response = apiInstance.FaxListWithHttpInfo(page, pageSize);
+    Debug.Write("Status Code: " + response.StatusCode);
+    Debug.Write("Response Headers: " + response.Headers);
+    Debug.Write("Response Body: " + response.Data);
+}
+catch (ApiException e)
+{
+    Debug.Print("Exception when calling FaxApi.FaxListWithHttpInfo: " + e.Message);
+    Debug.Print("Status Code: " + e.ErrorCode);
+    Debug.Print(e.StackTrace);
+}
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+|------|------|-------------|-------|
+| **page** | **int?** | Page | [optional] [default to 1] |
+| **pageSize** | **int?** | Page size | [optional] [default to 20] |
+
+### Return type
+
+[**FaxListResponse**](FaxListResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+<a id="faxsend"></a>
+# **FaxSend**
+> FaxGetResponse FaxSend (FaxSendRequest faxSendRequest)
+
+Send Fax
+
+Action to prepare and send a fax
+
+### Example
+```csharp
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Dropbox.Sign.Api;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+public class Example
+{
+    public static void Main()
+    {
+        var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+
+        var faxApi = new FaxApi(config);
+
+        var files = new List<Stream> {
+            new FileStream(
+                "./example_fax.pdf",
+                FileMode.Open,
+                FileAccess.Read,
+                FileShare.Read
+            )
+        };
+
+        var data = new FaxSendRequest(
+            files: files,
+            testMode: true,
+            recipient: "16690000001",
+            sender: "16690000000",
+            coverPageTo: "Jill Fax",
+            coverPageMessage: "I'm sending you a fax!",
+            coverPageFrom: "Faxer Faxerson",
+            title: "This is what the fax is about!",
+        );
+
+        try
+        {
+            var result = faxApi.FaxSend(data);
+            Console.WriteLine(result);
+        }
+        catch (ApiException e)
+        {
+            Console.WriteLine("Exception when calling Dropbox Sign API: " + e.Message);
+            Console.WriteLine("Status Code: " + e.ErrorCode);
+            Console.WriteLine(e.StackTrace);
+        }
+    }
+}
+
+```
+
+#### Using the FaxSendWithHttpInfo variant
+This returns an ApiResponse object which contains the response data, status code and headers.
+
+```csharp
+try
+{
+    // Send Fax
+    ApiResponse<FaxGetResponse> response = apiInstance.FaxSendWithHttpInfo(faxSendRequest);
+    Debug.Write("Status Code: " + response.StatusCode);
+    Debug.Write("Response Headers: " + response.Headers);
+    Debug.Write("Response Body: " + response.Data);
+}
+catch (ApiException e)
+{
+    Debug.Print("Exception when calling FaxApi.FaxSendWithHttpInfo: " + e.Message);
+    Debug.Print("Status Code: " + e.ErrorCode);
+    Debug.Print(e.StackTrace);
+}
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+|------|------|-------------|-------|
+| **faxSendRequest** | [**FaxSendRequest**](FaxSendRequest.md) |  |  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: application/json, multipart/form-data
+ - **Accept**: application/json
+
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
diff --git a/sdks/dotnet/docs/FaxGetResponse.md b/sdks/dotnet/docs/FaxGetResponse.md
new file mode 100644
index 000000000..42b82e12c
--- /dev/null
+++ b/sdks/dotnet/docs/FaxGetResponse.md
@@ -0,0 +1,10 @@
+# Dropbox.Sign.Model.FaxGetResponse
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Fax** | [**FaxResponse**](FaxResponse.md) |    | **Warnings** | [**List&lt;WarningResponse&gt;**](WarningResponse.md) |  A list of warnings.  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/dotnet/docs/FaxListResponse.md b/sdks/dotnet/docs/FaxListResponse.md
new file mode 100644
index 000000000..1cea1149f
--- /dev/null
+++ b/sdks/dotnet/docs/FaxListResponse.md
@@ -0,0 +1,10 @@
+# Dropbox.Sign.Model.FaxListResponse
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Faxes** | [**List&lt;FaxResponse&gt;**](FaxResponse.md) |    | **ListInfo** | [**ListInfoResponse**](ListInfoResponse.md) |    | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/dotnet/docs/FaxResponse.md b/sdks/dotnet/docs/FaxResponse.md
new file mode 100644
index 000000000..27a06144d
--- /dev/null
+++ b/sdks/dotnet/docs/FaxResponse.md
@@ -0,0 +1,10 @@
+# Dropbox.Sign.Model.FaxResponse
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**FaxId** | **string** |  Fax ID  | **Title** | **string** |  Fax Title  | **OriginalTitle** | **string** |  Fax Original Title  | **Subject** | **string** |  Fax Subject  | **Message** | **string** |  Fax Message  | **Metadata** | **Dictionary&lt;string, Object&gt;** |  Fax Metadata  | **CreatedAt** | **int** |  Fax Created At Timestamp  | **Sender** | **string** |  Fax Sender Email  | **Transmissions** | [**List&lt;FaxResponseTransmission&gt;**](FaxResponseTransmission.md) |  Fax Transmissions List  | **FilesUrl** | **string** |  Fax Files URL  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/dotnet/docs/FaxResponseTransmission.md b/sdks/dotnet/docs/FaxResponseTransmission.md
new file mode 100644
index 000000000..c306b85d4
--- /dev/null
+++ b/sdks/dotnet/docs/FaxResponseTransmission.md
@@ -0,0 +1,10 @@
+# Dropbox.Sign.Model.FaxResponseTransmission
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Recipient** | **string** |  Fax Transmission Recipient  | **Sender** | **string** |  Fax Transmission Sender  | **StatusCode** | **string** |  Fax Transmission Status Code  | **SentAt** | **int** |  Fax Transmission Sent Timestamp  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/dotnet/docs/FaxSendRequest.md b/sdks/dotnet/docs/FaxSendRequest.md
new file mode 100644
index 000000000..b02d7f0b8
--- /dev/null
+++ b/sdks/dotnet/docs/FaxSendRequest.md
@@ -0,0 +1,10 @@
+# Dropbox.Sign.Model.FaxSendRequest
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Recipient** | **string** |  Fax Send To Recipient  | **Sender** | **string** |  Fax Send From Sender (used only with fax number)  | [optional] **Files** | **List&lt;System.IO.Stream&gt;** |  Fax File to Send  | [optional] **FileUrls** | **List&lt;string&gt;** |  Fax File URL to Send  | [optional] **TestMode** | **bool** |  API Test Mode Setting  | [optional] [default to false]**CoverPageTo** | **string** |  Fax Cover Page for Recipient  | [optional] **CoverPageFrom** | **string** |  Fax Cover Page for Sender  | [optional] **CoverPageMessage** | **string** |  Fax Cover Page Message  | [optional] **Title** | **string** |  Fax Title  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/dotnet/src/Dropbox.Sign/Api/FaxApi.cs b/sdks/dotnet/src/Dropbox.Sign/Api/FaxApi.cs
new file mode 100644
index 000000000..b9819df28
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Api/FaxApi.cs
@@ -0,0 +1,1206 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Net;
+using System.Net.Mime;
+using Dropbox.Sign.Client;
+using Dropbox.Sign.Model;
+
+namespace Dropbox.Sign.Api
+{
+
+    /// <summary>
+    /// Represents a collection of functions to interact with the API endpoints
+    /// </summary>
+    public interface IFaxApiSync : IApiAccessor
+    {
+        #region Synchronous Operations
+        /// <summary>
+        /// Delete Fax
+        /// </summary>
+        /// <remarks>
+        /// Deletes the specified Fax from the system.
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns></returns>
+        void FaxDelete(string faxId, int operationIndex = 0);
+
+        /// <summary>
+        /// Delete Fax
+        /// </summary>
+        /// <remarks>
+        /// Deletes the specified Fax from the system.
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        ApiResponse<Object> FaxDeleteWithHttpInfo(string faxId, int operationIndex = 0);
+        /// <summary>
+        /// List Fax Files
+        /// </summary>
+        /// <remarks>
+        /// Returns list of fax files
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>System.IO.Stream</returns>
+        System.IO.Stream FaxFiles(string faxId, int operationIndex = 0);
+
+        /// <summary>
+        /// List Fax Files
+        /// </summary>
+        /// <remarks>
+        /// Returns list of fax files
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of System.IO.Stream</returns>
+        ApiResponse<System.IO.Stream> FaxFilesWithHttpInfo(string faxId, int operationIndex = 0);
+        /// <summary>
+        /// Get Fax
+        /// </summary>
+        /// <remarks>
+        /// Returns information about fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>FaxGetResponse</returns>
+        FaxGetResponse FaxGet(string faxId, int operationIndex = 0);
+
+        /// <summary>
+        /// Get Fax
+        /// </summary>
+        /// <remarks>
+        /// Returns information about fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of FaxGetResponse</returns>
+        ApiResponse<FaxGetResponse> FaxGetWithHttpInfo(string faxId, int operationIndex = 0);
+        /// <summary>
+        /// Lists Faxes
+        /// </summary>
+        /// <remarks>
+        /// Returns properties of multiple faxes
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>FaxListResponse</returns>
+        FaxListResponse FaxList(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0);
+
+        /// <summary>
+        /// Lists Faxes
+        /// </summary>
+        /// <remarks>
+        /// Returns properties of multiple faxes
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of FaxListResponse</returns>
+        ApiResponse<FaxListResponse> FaxListWithHttpInfo(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0);
+        /// <summary>
+        /// Send Fax
+        /// </summary>
+        /// <remarks>
+        /// Action to prepare and send a fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>FaxGetResponse</returns>
+        FaxGetResponse FaxSend(FaxSendRequest faxSendRequest, int operationIndex = 0);
+
+        /// <summary>
+        /// Send Fax
+        /// </summary>
+        /// <remarks>
+        /// Action to prepare and send a fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of FaxGetResponse</returns>
+        ApiResponse<FaxGetResponse> FaxSendWithHttpInfo(FaxSendRequest faxSendRequest, int operationIndex = 0);
+        #endregion Synchronous Operations
+    }
+
+    /// <summary>
+    /// Represents a collection of functions to interact with the API endpoints
+    /// </summary>
+    public interface IFaxApiAsync : IApiAccessor
+    {
+        #region Asynchronous Operations
+        /// <summary>
+        /// Delete Fax
+        /// </summary>
+        /// <remarks>
+        /// Deletes the specified Fax from the system.
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of void</returns>
+        System.Threading.Tasks.Task FaxDeleteAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+
+        /// <summary>
+        /// Delete Fax
+        /// </summary>
+        /// <remarks>
+        /// Deletes the specified Fax from the system.
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse</returns>
+        System.Threading.Tasks.Task<ApiResponse<Object>> FaxDeleteWithHttpInfoAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+        /// <summary>
+        /// List Fax Files
+        /// </summary>
+        /// <remarks>
+        /// Returns list of fax files
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of System.IO.Stream</returns>
+        System.Threading.Tasks.Task<System.IO.Stream> FaxFilesAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+
+        /// <summary>
+        /// List Fax Files
+        /// </summary>
+        /// <remarks>
+        /// Returns list of fax files
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (System.IO.Stream)</returns>
+        System.Threading.Tasks.Task<ApiResponse<System.IO.Stream>> FaxFilesWithHttpInfoAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+        /// <summary>
+        /// Get Fax
+        /// </summary>
+        /// <remarks>
+        /// Returns information about fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of FaxGetResponse</returns>
+        System.Threading.Tasks.Task<FaxGetResponse> FaxGetAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+
+        /// <summary>
+        /// Get Fax
+        /// </summary>
+        /// <remarks>
+        /// Returns information about fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (FaxGetResponse)</returns>
+        System.Threading.Tasks.Task<ApiResponse<FaxGetResponse>> FaxGetWithHttpInfoAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+        /// <summary>
+        /// Lists Faxes
+        /// </summary>
+        /// <remarks>
+        /// Returns properties of multiple faxes
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of FaxListResponse</returns>
+        System.Threading.Tasks.Task<FaxListResponse> FaxListAsync(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+
+        /// <summary>
+        /// Lists Faxes
+        /// </summary>
+        /// <remarks>
+        /// Returns properties of multiple faxes
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (FaxListResponse)</returns>
+        System.Threading.Tasks.Task<ApiResponse<FaxListResponse>> FaxListWithHttpInfoAsync(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+        /// <summary>
+        /// Send Fax
+        /// </summary>
+        /// <remarks>
+        /// Action to prepare and send a fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of FaxGetResponse</returns>
+        System.Threading.Tasks.Task<FaxGetResponse> FaxSendAsync(FaxSendRequest faxSendRequest, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+
+        /// <summary>
+        /// Send Fax
+        /// </summary>
+        /// <remarks>
+        /// Action to prepare and send a fax
+        /// </remarks>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (FaxGetResponse)</returns>
+        System.Threading.Tasks.Task<ApiResponse<FaxGetResponse>> FaxSendWithHttpInfoAsync(FaxSendRequest faxSendRequest, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken));
+        #endregion Asynchronous Operations
+    }
+
+    /// <summary>
+    /// Represents a collection of functions to interact with the API endpoints
+    /// </summary>
+    public interface IFaxApi : IFaxApiSync, IFaxApiAsync
+    {
+
+    }
+
+    /// <summary>
+    /// Represents a collection of functions to interact with the API endpoints
+    /// </summary>
+    public partial class FaxApi : IFaxApi
+    {
+        private Dropbox.Sign.Client.ExceptionFactory _exceptionFactory = (name, response) => null;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxApi"/> class.
+        /// </summary>
+        /// <returns></returns>
+        public FaxApi() : this((string)null)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxApi"/> class.
+        /// </summary>
+        /// <returns></returns>
+        public FaxApi(string basePath)
+        {
+            this.Configuration = Dropbox.Sign.Client.Configuration.MergeConfigurations(
+                Dropbox.Sign.Client.GlobalConfiguration.Instance,
+                new Dropbox.Sign.Client.Configuration { BasePath = basePath }
+            );
+            this.Client = new Dropbox.Sign.Client.ApiClient(this.Configuration.BasePath);
+            this.AsynchronousClient = new Dropbox.Sign.Client.ApiClient(this.Configuration.BasePath);
+            this.ExceptionFactory = Dropbox.Sign.Client.Configuration.DefaultExceptionFactory;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxApi"/> class
+        /// using Configuration object
+        /// </summary>
+        /// <param name="configuration">An instance of Configuration</param>
+        /// <returns></returns>
+        public FaxApi(Dropbox.Sign.Client.Configuration configuration)
+        {
+            if (configuration == null) throw new ArgumentNullException("configuration");
+
+            this.Configuration = Dropbox.Sign.Client.Configuration.MergeConfigurations(
+                Dropbox.Sign.Client.GlobalConfiguration.Instance,
+                configuration
+            );
+            this.Client = new Dropbox.Sign.Client.ApiClient(this.Configuration.BasePath);
+            this.AsynchronousClient = new Dropbox.Sign.Client.ApiClient(this.Configuration.BasePath);
+            ExceptionFactory = Dropbox.Sign.Client.Configuration.DefaultExceptionFactory;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxApi"/> class
+        /// using a Configuration object and client instance.
+        /// </summary>
+        /// <param name="client">The client interface for synchronous API access.</param>
+        /// <param name="asyncClient">The client interface for asynchronous API access.</param>
+        /// <param name="configuration">The configuration object.</param>
+        public FaxApi(Dropbox.Sign.Client.ISynchronousClient client, Dropbox.Sign.Client.IAsynchronousClient asyncClient, Dropbox.Sign.Client.IReadableConfiguration configuration)
+        {
+            if (client == null) throw new ArgumentNullException("client");
+            if (asyncClient == null) throw new ArgumentNullException("asyncClient");
+            if (configuration == null) throw new ArgumentNullException("configuration");
+
+            this.Client = client;
+            this.AsynchronousClient = asyncClient;
+            this.Configuration = configuration;
+            this.ExceptionFactory = Dropbox.Sign.Client.Configuration.DefaultExceptionFactory;
+        }
+
+        /// <summary>
+        /// The client for accessing this underlying API asynchronously.
+        /// </summary>
+        public Dropbox.Sign.Client.IAsynchronousClient AsynchronousClient { get; set; }
+
+        /// <summary>
+        /// The client for accessing this underlying API synchronously.
+        /// </summary>
+        public Dropbox.Sign.Client.ISynchronousClient Client { get; set; }
+
+        /// <summary>
+        /// Gets the base path of the API client.
+        /// </summary>
+        /// <value>The base path</value>
+        public string GetBasePath()
+        {
+            return this.Configuration.BasePath;
+        }
+
+        /// <summary>
+        /// Gets or sets the configuration object
+        /// </summary>
+        /// <value>An instance of the Configuration</value>
+        public Dropbox.Sign.Client.IReadableConfiguration Configuration { get; set; }
+
+        /// <summary>
+        /// Provides a factory method hook for the creation of exceptions.
+        /// </summary>
+        public Dropbox.Sign.Client.ExceptionFactory ExceptionFactory
+        {
+            get
+            {
+                if (_exceptionFactory != null && _exceptionFactory.GetInvocationList().Length > 1)
+                {
+                    throw new InvalidOperationException("Multicast delegate for ExceptionFactory is unsupported.");
+                }
+                return _exceptionFactory;
+            }
+            set { _exceptionFactory = value; }
+        }
+
+        /// <summary>
+        /// Delete Fax Deletes the specified Fax from the system.
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns></returns>
+        public void FaxDelete(string faxId, int operationIndex = 0)
+        {
+            FaxDeleteWithHttpInfo(faxId);
+        }
+
+        /// <summary>
+        /// Delete Fax Deletes the specified Fax from the system.
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        public Dropbox.Sign.Client.ApiResponse<Object> FaxDeleteWithHttpInfo(string faxId, int operationIndex = 0)
+        {
+            // verify the required parameter 'faxId' is set
+            if (faxId == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxId' when calling FaxApi->FaxDelete");
+            }
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            localVarRequestOptions.PathParameters.Add("fax_id", Dropbox.Sign.Client.ClientUtils.ParameterToString(faxId)); // path parameter
+
+            localVarRequestOptions.Operation = "FaxApi.FaxDelete";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = this.Client.Delete<Object>("/fax/{fax_id}", localVarRequestOptions, this.Configuration);
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxDelete", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// Delete Fax Deletes the specified Fax from the system.
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of void</returns>
+        public async System.Threading.Tasks.Task FaxDeleteAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            await FaxDeleteWithHttpInfoAsync(faxId, operationIndex, cancellationToken).ConfigureAwait(false);
+        }
+
+        /// <summary>
+        /// Delete Fax Deletes the specified Fax from the system.
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse</returns>
+        public async System.Threading.Tasks.Task<Dropbox.Sign.Client.ApiResponse<Object>> FaxDeleteWithHttpInfoAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            // verify the required parameter 'faxId' is set
+            if (faxId == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxId' when calling FaxApi->FaxDelete");
+            }
+
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            localVarRequestOptions.PathParameters.Add("fax_id", Dropbox.Sign.Client.ClientUtils.ParameterToString(faxId)); // path parameter
+
+            localVarRequestOptions.Operation = "FaxApi.FaxDelete";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = await this.AsynchronousClient.DeleteAsync<Object>("/fax/{fax_id}", localVarRequestOptions, this.Configuration, cancellationToken).ConfigureAwait(false);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxDelete", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// List Fax Files Returns list of fax files
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>System.IO.Stream</returns>
+        public System.IO.Stream FaxFiles(string faxId, int operationIndex = 0)
+        {
+            Dropbox.Sign.Client.ApiResponse<System.IO.Stream> localVarResponse = FaxFilesWithHttpInfo(faxId);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// List Fax Files Returns list of fax files
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of System.IO.Stream</returns>
+        public Dropbox.Sign.Client.ApiResponse<System.IO.Stream> FaxFilesWithHttpInfo(string faxId, int operationIndex = 0)
+        {
+            // verify the required parameter 'faxId' is set
+            if (faxId == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxId' when calling FaxApi->FaxFiles");
+            }
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/pdf",
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            localVarRequestOptions.PathParameters.Add("fax_id", Dropbox.Sign.Client.ClientUtils.ParameterToString(faxId)); // path parameter
+
+            localVarRequestOptions.Operation = "FaxApi.FaxFiles";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = this.Client.Get<System.IO.Stream>("/fax/files/{fax_id}", localVarRequestOptions, this.Configuration);
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxFiles", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// List Fax Files Returns list of fax files
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of System.IO.Stream</returns>
+        public async System.Threading.Tasks.Task<System.IO.Stream> FaxFilesAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            Dropbox.Sign.Client.ApiResponse<System.IO.Stream> localVarResponse = await FaxFilesWithHttpInfoAsync(faxId, operationIndex, cancellationToken).ConfigureAwait(false);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// List Fax Files Returns list of fax files
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (System.IO.Stream)</returns>
+        public async System.Threading.Tasks.Task<Dropbox.Sign.Client.ApiResponse<System.IO.Stream>> FaxFilesWithHttpInfoAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            // verify the required parameter 'faxId' is set
+            if (faxId == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxId' when calling FaxApi->FaxFiles");
+            }
+
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/pdf",
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            localVarRequestOptions.PathParameters.Add("fax_id", Dropbox.Sign.Client.ClientUtils.ParameterToString(faxId)); // path parameter
+
+            localVarRequestOptions.Operation = "FaxApi.FaxFiles";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = await this.AsynchronousClient.GetAsync<System.IO.Stream>("/fax/files/{fax_id}", localVarRequestOptions, this.Configuration, cancellationToken).ConfigureAwait(false);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxFiles", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// Get Fax Returns information about fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>FaxGetResponse</returns>
+        public FaxGetResponse FaxGet(string faxId, int operationIndex = 0)
+        {
+            Dropbox.Sign.Client.ApiResponse<FaxGetResponse> localVarResponse = FaxGetWithHttpInfo(faxId);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// Get Fax Returns information about fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of FaxGetResponse</returns>
+        public Dropbox.Sign.Client.ApiResponse<FaxGetResponse> FaxGetWithHttpInfo(string faxId, int operationIndex = 0)
+        {
+            // verify the required parameter 'faxId' is set
+            if (faxId == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxId' when calling FaxApi->FaxGet");
+            }
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            localVarRequestOptions.PathParameters.Add("fax_id", Dropbox.Sign.Client.ClientUtils.ParameterToString(faxId)); // path parameter
+
+            localVarRequestOptions.Operation = "FaxApi.FaxGet";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = this.Client.Get<FaxGetResponse>("/fax/{fax_id}", localVarRequestOptions, this.Configuration);
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxGet", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// Get Fax Returns information about fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of FaxGetResponse</returns>
+        public async System.Threading.Tasks.Task<FaxGetResponse> FaxGetAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            Dropbox.Sign.Client.ApiResponse<FaxGetResponse> localVarResponse = await FaxGetWithHttpInfoAsync(faxId, operationIndex, cancellationToken).ConfigureAwait(false);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// Get Fax Returns information about fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxId">Fax ID</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (FaxGetResponse)</returns>
+        public async System.Threading.Tasks.Task<Dropbox.Sign.Client.ApiResponse<FaxGetResponse>> FaxGetWithHttpInfoAsync(string faxId, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            // verify the required parameter 'faxId' is set
+            if (faxId == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxId' when calling FaxApi->FaxGet");
+            }
+
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            localVarRequestOptions.PathParameters.Add("fax_id", Dropbox.Sign.Client.ClientUtils.ParameterToString(faxId)); // path parameter
+
+            localVarRequestOptions.Operation = "FaxApi.FaxGet";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = await this.AsynchronousClient.GetAsync<FaxGetResponse>("/fax/{fax_id}", localVarRequestOptions, this.Configuration, cancellationToken).ConfigureAwait(false);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxGet", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// Lists Faxes Returns properties of multiple faxes
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>FaxListResponse</returns>
+        public FaxListResponse FaxList(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0)
+        {
+            Dropbox.Sign.Client.ApiResponse<FaxListResponse> localVarResponse = FaxListWithHttpInfo(page, pageSize);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// Lists Faxes Returns properties of multiple faxes
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of FaxListResponse</returns>
+        public Dropbox.Sign.Client.ApiResponse<FaxListResponse> FaxListWithHttpInfo(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0)
+        {
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            if (page != null)
+            {
+                localVarRequestOptions.QueryParameters.Add(Dropbox.Sign.Client.ClientUtils.ParameterToMultiMap("", "page", page));
+            }
+            if (pageSize != null)
+            {
+                localVarRequestOptions.QueryParameters.Add(Dropbox.Sign.Client.ClientUtils.ParameterToMultiMap("", "page_size", pageSize));
+            }
+
+            localVarRequestOptions.Operation = "FaxApi.FaxList";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = this.Client.Get<FaxListResponse>("/fax/list", localVarRequestOptions, this.Configuration);
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxList", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// Lists Faxes Returns properties of multiple faxes
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of FaxListResponse</returns>
+        public async System.Threading.Tasks.Task<FaxListResponse> FaxListAsync(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            Dropbox.Sign.Client.ApiResponse<FaxListResponse> localVarResponse = await FaxListWithHttpInfoAsync(page, pageSize, operationIndex, cancellationToken).ConfigureAwait(false);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// Lists Faxes Returns properties of multiple faxes
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="page">Page (optional, default to 1)</param>
+        /// <param name="pageSize">Page size (optional, default to 20)</param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (FaxListResponse)</returns>
+        public async System.Threading.Tasks.Task<Dropbox.Sign.Client.ApiResponse<FaxListResponse>> FaxListWithHttpInfoAsync(int? page = default(int?), int? pageSize = default(int?), int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            string[] _contentTypes = new string[] {
+            };
+            var localVarContentType = Dropbox.Sign.Client.ClientUtils.SelectHeaderContentType(_contentTypes);
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+            if (page != null)
+            {
+                localVarRequestOptions.QueryParameters.Add(Dropbox.Sign.Client.ClientUtils.ParameterToMultiMap("", "page", page));
+            }
+            if (pageSize != null)
+            {
+                localVarRequestOptions.QueryParameters.Add(Dropbox.Sign.Client.ClientUtils.ParameterToMultiMap("", "page_size", pageSize));
+            }
+
+            localVarRequestOptions.Operation = "FaxApi.FaxList";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = await this.AsynchronousClient.GetAsync<FaxListResponse>("/fax/list", localVarRequestOptions, this.Configuration, cancellationToken).ConfigureAwait(false);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxList", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// Send Fax Action to prepare and send a fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>FaxGetResponse</returns>
+        public FaxGetResponse FaxSend(FaxSendRequest faxSendRequest, int operationIndex = 0)
+        {
+            Dropbox.Sign.Client.ApiResponse<FaxGetResponse> localVarResponse = FaxSendWithHttpInfo(faxSendRequest);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// Send Fax Action to prepare and send a fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <returns>ApiResponse of FaxGetResponse</returns>
+        public Dropbox.Sign.Client.ApiResponse<FaxGetResponse> FaxSendWithHttpInfo(FaxSendRequest faxSendRequest, int operationIndex = 0)
+        {
+            // verify the required parameter 'faxSendRequest' is set
+            if (faxSendRequest == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxSendRequest' when calling FaxApi->FaxSend");
+            }
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            var localVarContentType = "";
+            var openApiTypes = faxSendRequest.GetOpenApiTypes();
+            if (ClientUtils.HasFileType(openApiTypes))
+            {
+                ClientUtils.SetFormData(localVarRequestOptions, openApiTypes);
+                localVarContentType = "multipart/form-data";
+            }
+            else
+            {
+                localVarContentType = "application/json";
+                localVarRequestOptions.Data = faxSendRequest;
+            }
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+
+            localVarRequestOptions.Operation = "FaxApi.FaxSend";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = this.Client.Post<FaxGetResponse>("/fax/send", localVarRequestOptions, this.Configuration);
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxSend", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+        /// <summary>
+        /// Send Fax Action to prepare and send a fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of FaxGetResponse</returns>
+        public async System.Threading.Tasks.Task<FaxGetResponse> FaxSendAsync(FaxSendRequest faxSendRequest, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            Dropbox.Sign.Client.ApiResponse<FaxGetResponse> localVarResponse = await FaxSendWithHttpInfoAsync(faxSendRequest, operationIndex, cancellationToken).ConfigureAwait(false);
+            return localVarResponse.Data;
+        }
+
+        /// <summary>
+        /// Send Fax Action to prepare and send a fax
+        /// </summary>
+        /// <exception cref="Dropbox.Sign.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="faxSendRequest"></param>
+        /// <param name="operationIndex">Index associated with the operation.</param>
+        /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
+        /// <returns>Task of ApiResponse (FaxGetResponse)</returns>
+        public async System.Threading.Tasks.Task<Dropbox.Sign.Client.ApiResponse<FaxGetResponse>> FaxSendWithHttpInfoAsync(FaxSendRequest faxSendRequest, int operationIndex = 0, System.Threading.CancellationToken cancellationToken = default(global::System.Threading.CancellationToken))
+        {
+            // verify the required parameter 'faxSendRequest' is set
+            if (faxSendRequest == null)
+            {
+                throw new Dropbox.Sign.Client.ApiException(400, "Missing required parameter 'faxSendRequest' when calling FaxApi->FaxSend");
+            }
+
+
+            Dropbox.Sign.Client.RequestOptions localVarRequestOptions = new Dropbox.Sign.Client.RequestOptions();
+
+            var localVarContentType = "";
+            var openApiTypes = faxSendRequest.GetOpenApiTypes();
+            if (ClientUtils.HasFileType(openApiTypes))
+            {
+                ClientUtils.SetFormData(localVarRequestOptions, openApiTypes);
+                localVarContentType = "multipart/form-data";
+            }
+            else
+            {
+                localVarContentType = "application/json";
+                localVarRequestOptions.Data = faxSendRequest;
+            }
+
+            // to determine the Accept header
+            string[] _accepts = new string[] {
+                "application/json"
+            };
+
+            if (localVarContentType != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+            }
+
+            var localVarAccept = Dropbox.Sign.Client.ClientUtils.SelectHeaderAccept(_accepts);
+            if (localVarAccept != null)
+            {
+                localVarRequestOptions.HeaderParameters.Add("Accept", localVarAccept);
+            }
+
+
+            localVarRequestOptions.Operation = "FaxApi.FaxSend";
+            localVarRequestOptions.OperationIndex = operationIndex;
+
+            // authentication (api_key) required
+            // http basic authentication required
+            if (!string.IsNullOrEmpty(this.Configuration.Username) || !string.IsNullOrEmpty(this.Configuration.Password) && !localVarRequestOptions.HeaderParameters.ContainsKey("Authorization"))
+            {
+                localVarRequestOptions.HeaderParameters.Add("Authorization", "Basic " + Dropbox.Sign.Client.ClientUtils.Base64Encode(this.Configuration.Username + ":" + this.Configuration.Password));
+            }
+
+            // make the HTTP request
+            var localVarResponse = await this.AsynchronousClient.PostAsync<FaxGetResponse>("/fax/send", localVarRequestOptions, this.Configuration, cancellationToken).ConfigureAwait(false);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception _exception = this.ExceptionFactory("FaxSend", localVarResponse);
+                if (_exception != null)
+                {
+                    throw _exception;
+                }
+            }
+
+            return localVarResponse;
+        }
+
+    }
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/FaxGetResponse.cs b/sdks/dotnet/src/Dropbox.Sign/Model/FaxGetResponse.cs
new file mode 100644
index 000000000..59214ef6e
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/FaxGetResponse.cs
@@ -0,0 +1,197 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// FaxGetResponse
+    /// </summary>
+    [DataContract(Name = "FaxGetResponse")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class FaxGetResponse : IEquatable<FaxGetResponse>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxGetResponse" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected FaxGetResponse() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxGetResponse" /> class.
+        /// </summary>
+        /// <param name="fax">fax (required).</param>
+        /// <param name="warnings">A list of warnings..</param>
+        public FaxGetResponse(FaxResponse fax = default(FaxResponse), List<WarningResponse> warnings = default(List<WarningResponse>))
+        {
+
+            // to ensure "fax" is required (not null)
+            if (fax == null)
+            {
+                throw new ArgumentNullException("fax is a required property for FaxGetResponse and cannot be null");
+            }
+            this.Fax = fax;
+            this.Warnings = warnings;
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static FaxGetResponse Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<FaxGetResponse>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of FaxGetResponse");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Gets or Sets Fax
+        /// </summary>
+        [DataMember(Name = "fax", IsRequired = true, EmitDefaultValue = true)]
+        public FaxResponse Fax { get; set; }
+
+        /// <summary>
+        /// A list of warnings.
+        /// </summary>
+        /// <value>A list of warnings.</value>
+        [DataMember(Name = "warnings", EmitDefaultValue = true)]
+        public List<WarningResponse> Warnings { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class FaxGetResponse {\n");
+            sb.Append("  Fax: ").Append(Fax).Append("\n");
+            sb.Append("  Warnings: ").Append(Warnings).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as FaxGetResponse);
+        }
+
+        /// <summary>
+        /// Returns true if FaxGetResponse instances are equal
+        /// </summary>
+        /// <param name="input">Instance of FaxGetResponse to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(FaxGetResponse input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.Fax == input.Fax ||
+                    (this.Fax != null &&
+                    this.Fax.Equals(input.Fax))
+                ) &&
+                (
+                    this.Warnings == input.Warnings ||
+                    this.Warnings != null &&
+                    input.Warnings != null &&
+                    this.Warnings.SequenceEqual(input.Warnings)
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Fax != null)
+                {
+                    hashCode = (hashCode * 59) + this.Fax.GetHashCode();
+                }
+                if (this.Warnings != null)
+                {
+                    hashCode = (hashCode * 59) + this.Warnings.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "fax",
+                Property = "Fax",
+                Type = "FaxResponse",
+                Value = Fax,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "warnings",
+                Property = "Warnings",
+                Type = "List<WarningResponse>",
+                Value = Warnings,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/FaxListResponse.cs b/sdks/dotnet/src/Dropbox.Sign/Model/FaxListResponse.cs
new file mode 100644
index 000000000..d5c62990a
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/FaxListResponse.cs
@@ -0,0 +1,201 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// FaxListResponse
+    /// </summary>
+    [DataContract(Name = "FaxListResponse")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class FaxListResponse : IEquatable<FaxListResponse>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxListResponse" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected FaxListResponse() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxListResponse" /> class.
+        /// </summary>
+        /// <param name="faxes">faxes (required).</param>
+        /// <param name="listInfo">listInfo (required).</param>
+        public FaxListResponse(List<FaxResponse> faxes = default(List<FaxResponse>), ListInfoResponse listInfo = default(ListInfoResponse))
+        {
+
+            // to ensure "faxes" is required (not null)
+            if (faxes == null)
+            {
+                throw new ArgumentNullException("faxes is a required property for FaxListResponse and cannot be null");
+            }
+            this.Faxes = faxes;
+            // to ensure "listInfo" is required (not null)
+            if (listInfo == null)
+            {
+                throw new ArgumentNullException("listInfo is a required property for FaxListResponse and cannot be null");
+            }
+            this.ListInfo = listInfo;
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static FaxListResponse Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<FaxListResponse>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of FaxListResponse");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Gets or Sets Faxes
+        /// </summary>
+        [DataMember(Name = "faxes", IsRequired = true, EmitDefaultValue = true)]
+        public List<FaxResponse> Faxes { get; set; }
+
+        /// <summary>
+        /// Gets or Sets ListInfo
+        /// </summary>
+        [DataMember(Name = "list_info", IsRequired = true, EmitDefaultValue = true)]
+        public ListInfoResponse ListInfo { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class FaxListResponse {\n");
+            sb.Append("  Faxes: ").Append(Faxes).Append("\n");
+            sb.Append("  ListInfo: ").Append(ListInfo).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as FaxListResponse);
+        }
+
+        /// <summary>
+        /// Returns true if FaxListResponse instances are equal
+        /// </summary>
+        /// <param name="input">Instance of FaxListResponse to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(FaxListResponse input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.Faxes == input.Faxes ||
+                    this.Faxes != null &&
+                    input.Faxes != null &&
+                    this.Faxes.SequenceEqual(input.Faxes)
+                ) &&
+                (
+                    this.ListInfo == input.ListInfo ||
+                    (this.ListInfo != null &&
+                    this.ListInfo.Equals(input.ListInfo))
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Faxes != null)
+                {
+                    hashCode = (hashCode * 59) + this.Faxes.GetHashCode();
+                }
+                if (this.ListInfo != null)
+                {
+                    hashCode = (hashCode * 59) + this.ListInfo.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "faxes",
+                Property = "Faxes",
+                Type = "List<FaxResponse>",
+                Value = Faxes,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "list_info",
+                Property = "ListInfo",
+                Type = "ListInfoResponse",
+                Value = ListInfo,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponse.cs b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponse.cs
new file mode 100644
index 000000000..60125d8e1
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponse.cs
@@ -0,0 +1,443 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// FaxResponse
+    /// </summary>
+    [DataContract(Name = "FaxResponse")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class FaxResponse : IEquatable<FaxResponse>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponse" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected FaxResponse() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponse" /> class.
+        /// </summary>
+        /// <param name="faxId">Fax ID (required).</param>
+        /// <param name="title">Fax Title (required).</param>
+        /// <param name="originalTitle">Fax Original Title (required).</param>
+        /// <param name="subject">Fax Subject (required).</param>
+        /// <param name="message">Fax Message (required).</param>
+        /// <param name="metadata">Fax Metadata (required).</param>
+        /// <param name="createdAt">Fax Created At Timestamp (required).</param>
+        /// <param name="sender">Fax Sender Email (required).</param>
+        /// <param name="transmissions">Fax Transmissions List (required).</param>
+        /// <param name="filesUrl">Fax Files URL (required).</param>
+        public FaxResponse(string faxId = default(string), string title = default(string), string originalTitle = default(string), string subject = default(string), string message = default(string), Dictionary<string, Object> metadata = default(Dictionary<string, Object>), int createdAt = default(int), string sender = default(string), List<FaxResponseTransmission> transmissions = default(List<FaxResponseTransmission>), string filesUrl = default(string))
+        {
+
+            // to ensure "faxId" is required (not null)
+            if (faxId == null)
+            {
+                throw new ArgumentNullException("faxId is a required property for FaxResponse and cannot be null");
+            }
+            this.FaxId = faxId;
+            // to ensure "title" is required (not null)
+            if (title == null)
+            {
+                throw new ArgumentNullException("title is a required property for FaxResponse and cannot be null");
+            }
+            this.Title = title;
+            // to ensure "originalTitle" is required (not null)
+            if (originalTitle == null)
+            {
+                throw new ArgumentNullException("originalTitle is a required property for FaxResponse and cannot be null");
+            }
+            this.OriginalTitle = originalTitle;
+            // to ensure "subject" is required (not null)
+            if (subject == null)
+            {
+                throw new ArgumentNullException("subject is a required property for FaxResponse and cannot be null");
+            }
+            this.Subject = subject;
+            // to ensure "message" is required (not null)
+            if (message == null)
+            {
+                throw new ArgumentNullException("message is a required property for FaxResponse and cannot be null");
+            }
+            this.Message = message;
+            // to ensure "metadata" is required (not null)
+            if (metadata == null)
+            {
+                throw new ArgumentNullException("metadata is a required property for FaxResponse and cannot be null");
+            }
+            this.Metadata = metadata;
+            this.CreatedAt = createdAt;
+            // to ensure "sender" is required (not null)
+            if (sender == null)
+            {
+                throw new ArgumentNullException("sender is a required property for FaxResponse and cannot be null");
+            }
+            this.Sender = sender;
+            // to ensure "transmissions" is required (not null)
+            if (transmissions == null)
+            {
+                throw new ArgumentNullException("transmissions is a required property for FaxResponse and cannot be null");
+            }
+            this.Transmissions = transmissions;
+            // to ensure "filesUrl" is required (not null)
+            if (filesUrl == null)
+            {
+                throw new ArgumentNullException("filesUrl is a required property for FaxResponse and cannot be null");
+            }
+            this.FilesUrl = filesUrl;
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static FaxResponse Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<FaxResponse>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of FaxResponse");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Fax ID
+        /// </summary>
+        /// <value>Fax ID</value>
+        [DataMember(Name = "fax_id", IsRequired = true, EmitDefaultValue = true)]
+        public string FaxId { get; set; }
+
+        /// <summary>
+        /// Fax Title
+        /// </summary>
+        /// <value>Fax Title</value>
+        [DataMember(Name = "title", IsRequired = true, EmitDefaultValue = true)]
+        public string Title { get; set; }
+
+        /// <summary>
+        /// Fax Original Title
+        /// </summary>
+        /// <value>Fax Original Title</value>
+        [DataMember(Name = "original_title", IsRequired = true, EmitDefaultValue = true)]
+        public string OriginalTitle { get; set; }
+
+        /// <summary>
+        /// Fax Subject
+        /// </summary>
+        /// <value>Fax Subject</value>
+        [DataMember(Name = "subject", IsRequired = true, EmitDefaultValue = true)]
+        public string Subject { get; set; }
+
+        /// <summary>
+        /// Fax Message
+        /// </summary>
+        /// <value>Fax Message</value>
+        [DataMember(Name = "message", IsRequired = true, EmitDefaultValue = true)]
+        public string Message { get; set; }
+
+        /// <summary>
+        /// Fax Metadata
+        /// </summary>
+        /// <value>Fax Metadata</value>
+        [DataMember(Name = "metadata", IsRequired = true, EmitDefaultValue = true)]
+        public Dictionary<string, Object> Metadata { get; set; }
+
+        /// <summary>
+        /// Fax Created At Timestamp
+        /// </summary>
+        /// <value>Fax Created At Timestamp</value>
+        [DataMember(Name = "created_at", IsRequired = true, EmitDefaultValue = true)]
+        public int CreatedAt { get; set; }
+
+        /// <summary>
+        /// Fax Sender Email
+        /// </summary>
+        /// <value>Fax Sender Email</value>
+        [DataMember(Name = "sender", IsRequired = true, EmitDefaultValue = true)]
+        public string Sender { get; set; }
+
+        /// <summary>
+        /// Fax Transmissions List
+        /// </summary>
+        /// <value>Fax Transmissions List</value>
+        [DataMember(Name = "transmissions", IsRequired = true, EmitDefaultValue = true)]
+        public List<FaxResponseTransmission> Transmissions { get; set; }
+
+        /// <summary>
+        /// Fax Files URL
+        /// </summary>
+        /// <value>Fax Files URL</value>
+        [DataMember(Name = "files_url", IsRequired = true, EmitDefaultValue = true)]
+        public string FilesUrl { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class FaxResponse {\n");
+            sb.Append("  FaxId: ").Append(FaxId).Append("\n");
+            sb.Append("  Title: ").Append(Title).Append("\n");
+            sb.Append("  OriginalTitle: ").Append(OriginalTitle).Append("\n");
+            sb.Append("  Subject: ").Append(Subject).Append("\n");
+            sb.Append("  Message: ").Append(Message).Append("\n");
+            sb.Append("  Metadata: ").Append(Metadata).Append("\n");
+            sb.Append("  CreatedAt: ").Append(CreatedAt).Append("\n");
+            sb.Append("  Sender: ").Append(Sender).Append("\n");
+            sb.Append("  Transmissions: ").Append(Transmissions).Append("\n");
+            sb.Append("  FilesUrl: ").Append(FilesUrl).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as FaxResponse);
+        }
+
+        /// <summary>
+        /// Returns true if FaxResponse instances are equal
+        /// </summary>
+        /// <param name="input">Instance of FaxResponse to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(FaxResponse input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.FaxId == input.FaxId ||
+                    (this.FaxId != null &&
+                    this.FaxId.Equals(input.FaxId))
+                ) &&
+                (
+                    this.Title == input.Title ||
+                    (this.Title != null &&
+                    this.Title.Equals(input.Title))
+                ) &&
+                (
+                    this.OriginalTitle == input.OriginalTitle ||
+                    (this.OriginalTitle != null &&
+                    this.OriginalTitle.Equals(input.OriginalTitle))
+                ) &&
+                (
+                    this.Subject == input.Subject ||
+                    (this.Subject != null &&
+                    this.Subject.Equals(input.Subject))
+                ) &&
+                (
+                    this.Message == input.Message ||
+                    (this.Message != null &&
+                    this.Message.Equals(input.Message))
+                ) &&
+                (
+                    this.Metadata == input.Metadata ||
+                    this.Metadata != null &&
+                    input.Metadata != null &&
+                    this.Metadata.SequenceEqual(input.Metadata)
+                ) &&
+                (
+                    this.CreatedAt == input.CreatedAt ||
+                    this.CreatedAt.Equals(input.CreatedAt)
+                ) &&
+                (
+                    this.Sender == input.Sender ||
+                    (this.Sender != null &&
+                    this.Sender.Equals(input.Sender))
+                ) &&
+                (
+                    this.Transmissions == input.Transmissions ||
+                    this.Transmissions != null &&
+                    input.Transmissions != null &&
+                    this.Transmissions.SequenceEqual(input.Transmissions)
+                ) &&
+                (
+                    this.FilesUrl == input.FilesUrl ||
+                    (this.FilesUrl != null &&
+                    this.FilesUrl.Equals(input.FilesUrl))
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.FaxId != null)
+                {
+                    hashCode = (hashCode * 59) + this.FaxId.GetHashCode();
+                }
+                if (this.Title != null)
+                {
+                    hashCode = (hashCode * 59) + this.Title.GetHashCode();
+                }
+                if (this.OriginalTitle != null)
+                {
+                    hashCode = (hashCode * 59) + this.OriginalTitle.GetHashCode();
+                }
+                if (this.Subject != null)
+                {
+                    hashCode = (hashCode * 59) + this.Subject.GetHashCode();
+                }
+                if (this.Message != null)
+                {
+                    hashCode = (hashCode * 59) + this.Message.GetHashCode();
+                }
+                if (this.Metadata != null)
+                {
+                    hashCode = (hashCode * 59) + this.Metadata.GetHashCode();
+                }
+                hashCode = (hashCode * 59) + this.CreatedAt.GetHashCode();
+                if (this.Sender != null)
+                {
+                    hashCode = (hashCode * 59) + this.Sender.GetHashCode();
+                }
+                if (this.Transmissions != null)
+                {
+                    hashCode = (hashCode * 59) + this.Transmissions.GetHashCode();
+                }
+                if (this.FilesUrl != null)
+                {
+                    hashCode = (hashCode * 59) + this.FilesUrl.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "fax_id",
+                Property = "FaxId",
+                Type = "string",
+                Value = FaxId,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "title",
+                Property = "Title",
+                Type = "string",
+                Value = Title,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "original_title",
+                Property = "OriginalTitle",
+                Type = "string",
+                Value = OriginalTitle,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "subject",
+                Property = "Subject",
+                Type = "string",
+                Value = Subject,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "message",
+                Property = "Message",
+                Type = "string",
+                Value = Message,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "metadata",
+                Property = "Metadata",
+                Type = "Dictionary<string, Object>",
+                Value = Metadata,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "created_at",
+                Property = "CreatedAt",
+                Type = "int",
+                Value = CreatedAt,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "sender",
+                Property = "Sender",
+                Type = "string",
+                Value = Sender,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "transmissions",
+                Property = "Transmissions",
+                Type = "List<FaxResponseTransmission>",
+                Value = Transmissions,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "files_url",
+                Property = "FilesUrl",
+                Type = "string",
+                Value = FilesUrl,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseFax.cs b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseFax.cs
new file mode 100644
index 000000000..abb8cab5f
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseFax.cs
@@ -0,0 +1,397 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// FaxResponseFax
+    /// </summary>
+    [DataContract(Name = "FaxResponseFax")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class FaxResponseFax : IEquatable<FaxResponseFax>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponseFax" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected FaxResponseFax() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponseFax" /> class.
+        /// </summary>
+        /// <param name="faxId">Fax ID.</param>
+        /// <param name="title">Fax Title.</param>
+        /// <param name="originalTitle">Fax Original Title.</param>
+        /// <param name="subject">Fax Subject.</param>
+        /// <param name="message">Fax Message.</param>
+        /// <param name="metadata">Fax Metadata.</param>
+        /// <param name="createdAt">Fax Created At Timestamp.</param>
+        /// <param name="from">Fax Sender Email.</param>
+        /// <param name="transmissions">Fax Transmissions List.</param>
+        /// <param name="filesUrl">Fax Files URL.</param>
+        public FaxResponseFax(string faxId = default(string), string title = default(string), string originalTitle = default(string), string subject = default(string), string message = default(string), Object metadata = default(Object), int createdAt = default(int), string from = default(string), List<FaxResponseFaxTransmission> transmissions = default(List<FaxResponseFaxTransmission>), string filesUrl = default(string))
+        {
+
+            this.FaxId = faxId;
+            this.Title = title;
+            this.OriginalTitle = originalTitle;
+            this.Subject = subject;
+            this.Message = message;
+            this.Metadata = metadata;
+            this.CreatedAt = createdAt;
+            this.From = from;
+            this.Transmissions = transmissions;
+            this.FilesUrl = filesUrl;
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static FaxResponseFax Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<FaxResponseFax>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of FaxResponseFax");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Fax ID
+        /// </summary>
+        /// <value>Fax ID</value>
+        [DataMember(Name = "fax_id", EmitDefaultValue = true)]
+        public string FaxId { get; set; }
+
+        /// <summary>
+        /// Fax Title
+        /// </summary>
+        /// <value>Fax Title</value>
+        [DataMember(Name = "title", EmitDefaultValue = true)]
+        public string Title { get; set; }
+
+        /// <summary>
+        /// Fax Original Title
+        /// </summary>
+        /// <value>Fax Original Title</value>
+        [DataMember(Name = "original_title", EmitDefaultValue = true)]
+        public string OriginalTitle { get; set; }
+
+        /// <summary>
+        /// Fax Subject
+        /// </summary>
+        /// <value>Fax Subject</value>
+        [DataMember(Name = "subject", EmitDefaultValue = true)]
+        public string Subject { get; set; }
+
+        /// <summary>
+        /// Fax Message
+        /// </summary>
+        /// <value>Fax Message</value>
+        [DataMember(Name = "message", EmitDefaultValue = true)]
+        public string Message { get; set; }
+
+        /// <summary>
+        /// Fax Metadata
+        /// </summary>
+        /// <value>Fax Metadata</value>
+        [DataMember(Name = "metadata", EmitDefaultValue = true)]
+        public Object Metadata { get; set; }
+
+        /// <summary>
+        /// Fax Created At Timestamp
+        /// </summary>
+        /// <value>Fax Created At Timestamp</value>
+        [DataMember(Name = "created_at", EmitDefaultValue = true)]
+        public int CreatedAt { get; set; }
+
+        /// <summary>
+        /// Fax Sender Email
+        /// </summary>
+        /// <value>Fax Sender Email</value>
+        [DataMember(Name = "from", EmitDefaultValue = true)]
+        public string From { get; set; }
+
+        /// <summary>
+        /// Fax Transmissions List
+        /// </summary>
+        /// <value>Fax Transmissions List</value>
+        [DataMember(Name = "transmissions", EmitDefaultValue = true)]
+        public List<FaxResponseFaxTransmission> Transmissions { get; set; }
+
+        /// <summary>
+        /// Fax Files URL
+        /// </summary>
+        /// <value>Fax Files URL</value>
+        [DataMember(Name = "files_url", EmitDefaultValue = true)]
+        public string FilesUrl { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class FaxResponseFax {\n");
+            sb.Append("  FaxId: ").Append(FaxId).Append("\n");
+            sb.Append("  Title: ").Append(Title).Append("\n");
+            sb.Append("  OriginalTitle: ").Append(OriginalTitle).Append("\n");
+            sb.Append("  Subject: ").Append(Subject).Append("\n");
+            sb.Append("  Message: ").Append(Message).Append("\n");
+            sb.Append("  Metadata: ").Append(Metadata).Append("\n");
+            sb.Append("  CreatedAt: ").Append(CreatedAt).Append("\n");
+            sb.Append("  From: ").Append(From).Append("\n");
+            sb.Append("  Transmissions: ").Append(Transmissions).Append("\n");
+            sb.Append("  FilesUrl: ").Append(FilesUrl).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as FaxResponseFax);
+        }
+
+        /// <summary>
+        /// Returns true if FaxResponseFax instances are equal
+        /// </summary>
+        /// <param name="input">Instance of FaxResponseFax to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(FaxResponseFax input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.FaxId == input.FaxId ||
+                    (this.FaxId != null &&
+                    this.FaxId.Equals(input.FaxId))
+                ) &&
+                (
+                    this.Title == input.Title ||
+                    (this.Title != null &&
+                    this.Title.Equals(input.Title))
+                ) &&
+                (
+                    this.OriginalTitle == input.OriginalTitle ||
+                    (this.OriginalTitle != null &&
+                    this.OriginalTitle.Equals(input.OriginalTitle))
+                ) &&
+                (
+                    this.Subject == input.Subject ||
+                    (this.Subject != null &&
+                    this.Subject.Equals(input.Subject))
+                ) &&
+                (
+                    this.Message == input.Message ||
+                    (this.Message != null &&
+                    this.Message.Equals(input.Message))
+                ) &&
+                (
+                    this.Metadata == input.Metadata ||
+                    (this.Metadata != null &&
+                    this.Metadata.Equals(input.Metadata))
+                ) &&
+                (
+                    this.CreatedAt == input.CreatedAt ||
+                    this.CreatedAt.Equals(input.CreatedAt)
+                ) &&
+                (
+                    this.From == input.From ||
+                    (this.From != null &&
+                    this.From.Equals(input.From))
+                ) &&
+                (
+                    this.Transmissions == input.Transmissions ||
+                    this.Transmissions != null &&
+                    input.Transmissions != null &&
+                    this.Transmissions.SequenceEqual(input.Transmissions)
+                ) &&
+                (
+                    this.FilesUrl == input.FilesUrl ||
+                    (this.FilesUrl != null &&
+                    this.FilesUrl.Equals(input.FilesUrl))
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.FaxId != null)
+                {
+                    hashCode = (hashCode * 59) + this.FaxId.GetHashCode();
+                }
+                if (this.Title != null)
+                {
+                    hashCode = (hashCode * 59) + this.Title.GetHashCode();
+                }
+                if (this.OriginalTitle != null)
+                {
+                    hashCode = (hashCode * 59) + this.OriginalTitle.GetHashCode();
+                }
+                if (this.Subject != null)
+                {
+                    hashCode = (hashCode * 59) + this.Subject.GetHashCode();
+                }
+                if (this.Message != null)
+                {
+                    hashCode = (hashCode * 59) + this.Message.GetHashCode();
+                }
+                if (this.Metadata != null)
+                {
+                    hashCode = (hashCode * 59) + this.Metadata.GetHashCode();
+                }
+                hashCode = (hashCode * 59) + this.CreatedAt.GetHashCode();
+                if (this.From != null)
+                {
+                    hashCode = (hashCode * 59) + this.From.GetHashCode();
+                }
+                if (this.Transmissions != null)
+                {
+                    hashCode = (hashCode * 59) + this.Transmissions.GetHashCode();
+                }
+                if (this.FilesUrl != null)
+                {
+                    hashCode = (hashCode * 59) + this.FilesUrl.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "fax_id",
+                Property = "FaxId",
+                Type = "string",
+                Value = FaxId,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "title",
+                Property = "Title",
+                Type = "string",
+                Value = Title,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "original_title",
+                Property = "OriginalTitle",
+                Type = "string",
+                Value = OriginalTitle,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "subject",
+                Property = "Subject",
+                Type = "string",
+                Value = Subject,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "message",
+                Property = "Message",
+                Type = "string",
+                Value = Message,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "metadata",
+                Property = "Metadata",
+                Type = "Object",
+                Value = Metadata,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "created_at",
+                Property = "CreatedAt",
+                Type = "int",
+                Value = CreatedAt,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "from",
+                Property = "From",
+                Type = "string",
+                Value = From,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "transmissions",
+                Property = "Transmissions",
+                Type = "List<FaxResponseFaxTransmission>",
+                Value = Transmissions,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "files_url",
+                Property = "FilesUrl",
+                Type = "string",
+                Value = FilesUrl,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseFaxTransmission.cs b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseFaxTransmission.cs
new file mode 100644
index 000000000..51e666148
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseFaxTransmission.cs
@@ -0,0 +1,240 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// FaxResponseFaxTransmission
+    /// </summary>
+    [DataContract(Name = "FaxResponseFaxTransmission")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class FaxResponseFaxTransmission : IEquatable<FaxResponseFaxTransmission>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponseFaxTransmission" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected FaxResponseFaxTransmission() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponseFaxTransmission" /> class.
+        /// </summary>
+        /// <param name="recipient">Fax Transmission Recipient.</param>
+        /// <param name="sender">Fax Transmission Sender.</param>
+        /// <param name="statusCode">Fax Transmission Status Code.</param>
+        /// <param name="sentAt">Fax Transmission Sent Timestamp.</param>
+        public FaxResponseFaxTransmission(string recipient = default(string), string sender = default(string), string statusCode = default(string), int sentAt = default(int))
+        {
+
+            this.Recipient = recipient;
+            this.Sender = sender;
+            this.StatusCode = statusCode;
+            this.SentAt = sentAt;
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static FaxResponseFaxTransmission Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<FaxResponseFaxTransmission>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of FaxResponseFaxTransmission");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Fax Transmission Recipient
+        /// </summary>
+        /// <value>Fax Transmission Recipient</value>
+        [DataMember(Name = "recipient", EmitDefaultValue = true)]
+        public string Recipient { get; set; }
+
+        /// <summary>
+        /// Fax Transmission Sender
+        /// </summary>
+        /// <value>Fax Transmission Sender</value>
+        [DataMember(Name = "sender", EmitDefaultValue = true)]
+        public string Sender { get; set; }
+
+        /// <summary>
+        /// Fax Transmission Status Code
+        /// </summary>
+        /// <value>Fax Transmission Status Code</value>
+        [DataMember(Name = "status_code", EmitDefaultValue = true)]
+        public string StatusCode { get; set; }
+
+        /// <summary>
+        /// Fax Transmission Sent Timestamp
+        /// </summary>
+        /// <value>Fax Transmission Sent Timestamp</value>
+        [DataMember(Name = "sent_at", EmitDefaultValue = true)]
+        public int SentAt { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class FaxResponseFaxTransmission {\n");
+            sb.Append("  Recipient: ").Append(Recipient).Append("\n");
+            sb.Append("  Sender: ").Append(Sender).Append("\n");
+            sb.Append("  StatusCode: ").Append(StatusCode).Append("\n");
+            sb.Append("  SentAt: ").Append(SentAt).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as FaxResponseFaxTransmission);
+        }
+
+        /// <summary>
+        /// Returns true if FaxResponseFaxTransmission instances are equal
+        /// </summary>
+        /// <param name="input">Instance of FaxResponseFaxTransmission to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(FaxResponseFaxTransmission input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.Recipient == input.Recipient ||
+                    (this.Recipient != null &&
+                    this.Recipient.Equals(input.Recipient))
+                ) &&
+                (
+                    this.Sender == input.Sender ||
+                    (this.Sender != null &&
+                    this.Sender.Equals(input.Sender))
+                ) &&
+                (
+                    this.StatusCode == input.StatusCode ||
+                    (this.StatusCode != null &&
+                    this.StatusCode.Equals(input.StatusCode))
+                ) &&
+                (
+                    this.SentAt == input.SentAt ||
+                    this.SentAt.Equals(input.SentAt)
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Recipient != null)
+                {
+                    hashCode = (hashCode * 59) + this.Recipient.GetHashCode();
+                }
+                if (this.Sender != null)
+                {
+                    hashCode = (hashCode * 59) + this.Sender.GetHashCode();
+                }
+                if (this.StatusCode != null)
+                {
+                    hashCode = (hashCode * 59) + this.StatusCode.GetHashCode();
+                }
+                hashCode = (hashCode * 59) + this.SentAt.GetHashCode();
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "recipient",
+                Property = "Recipient",
+                Type = "string",
+                Value = Recipient,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "sender",
+                Property = "Sender",
+                Type = "string",
+                Value = Sender,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "status_code",
+                Property = "StatusCode",
+                Type = "string",
+                Value = StatusCode,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "sent_at",
+                Property = "SentAt",
+                Type = "int",
+                Value = SentAt,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseTransmission.cs b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseTransmission.cs
new file mode 100644
index 000000000..0e370714e
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/FaxResponseTransmission.cs
@@ -0,0 +1,302 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// FaxResponseTransmission
+    /// </summary>
+    [DataContract(Name = "FaxResponseTransmission")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class FaxResponseTransmission : IEquatable<FaxResponseTransmission>, IValidatableObject
+    {
+        /// <summary>
+        /// Fax Transmission Status Code
+        /// </summary>
+        /// <value>Fax Transmission Status Code</value>
+        [JsonConverter(typeof(StringEnumConverter))]
+        public enum StatusCodeEnum
+        {
+            /// <summary>
+            /// Enum Success for value: success
+            /// </summary>
+            [EnumMember(Value = "success")]
+            Success = 1,
+
+            /// <summary>
+            /// Enum Transmitting for value: transmitting
+            /// </summary>
+            [EnumMember(Value = "transmitting")]
+            Transmitting = 2,
+
+            /// <summary>
+            /// Enum ErrorCouldNotFax for value: error_could_not_fax
+            /// </summary>
+            [EnumMember(Value = "error_could_not_fax")]
+            ErrorCouldNotFax = 3,
+
+            /// <summary>
+            /// Enum ErrorUnknown for value: error_unknown
+            /// </summary>
+            [EnumMember(Value = "error_unknown")]
+            ErrorUnknown = 4,
+
+            /// <summary>
+            /// Enum ErrorBusy for value: error_busy
+            /// </summary>
+            [EnumMember(Value = "error_busy")]
+            ErrorBusy = 5,
+
+            /// <summary>
+            /// Enum ErrorNoAnswer for value: error_no_answer
+            /// </summary>
+            [EnumMember(Value = "error_no_answer")]
+            ErrorNoAnswer = 6,
+
+            /// <summary>
+            /// Enum ErrorDisconnected for value: error_disconnected
+            /// </summary>
+            [EnumMember(Value = "error_disconnected")]
+            ErrorDisconnected = 7,
+
+            /// <summary>
+            /// Enum ErrorBadDestination for value: error_bad_destination
+            /// </summary>
+            [EnumMember(Value = "error_bad_destination")]
+            ErrorBadDestination = 8
+        }
+
+
+        /// <summary>
+        /// Fax Transmission Status Code
+        /// </summary>
+        /// <value>Fax Transmission Status Code</value>
+        [DataMember(Name = "status_code", IsRequired = true, EmitDefaultValue = true)]
+        public StatusCodeEnum StatusCode { get; set; }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponseTransmission" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected FaxResponseTransmission() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxResponseTransmission" /> class.
+        /// </summary>
+        /// <param name="recipient">Fax Transmission Recipient (required).</param>
+        /// <param name="sender">Fax Transmission Sender (required).</param>
+        /// <param name="statusCode">Fax Transmission Status Code (required).</param>
+        /// <param name="sentAt">Fax Transmission Sent Timestamp.</param>
+        public FaxResponseTransmission(string recipient = default(string), string sender = default(string), StatusCodeEnum statusCode = default(StatusCodeEnum), int sentAt = default(int))
+        {
+
+            // to ensure "recipient" is required (not null)
+            if (recipient == null)
+            {
+                throw new ArgumentNullException("recipient is a required property for FaxResponseTransmission and cannot be null");
+            }
+            this.Recipient = recipient;
+            // to ensure "sender" is required (not null)
+            if (sender == null)
+            {
+                throw new ArgumentNullException("sender is a required property for FaxResponseTransmission and cannot be null");
+            }
+            this.Sender = sender;
+            this.StatusCode = statusCode;
+            this.SentAt = sentAt;
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static FaxResponseTransmission Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<FaxResponseTransmission>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of FaxResponseTransmission");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Fax Transmission Recipient
+        /// </summary>
+        /// <value>Fax Transmission Recipient</value>
+        [DataMember(Name = "recipient", IsRequired = true, EmitDefaultValue = true)]
+        public string Recipient { get; set; }
+
+        /// <summary>
+        /// Fax Transmission Sender
+        /// </summary>
+        /// <value>Fax Transmission Sender</value>
+        [DataMember(Name = "sender", IsRequired = true, EmitDefaultValue = true)]
+        public string Sender { get; set; }
+
+        /// <summary>
+        /// Fax Transmission Sent Timestamp
+        /// </summary>
+        /// <value>Fax Transmission Sent Timestamp</value>
+        [DataMember(Name = "sent_at", EmitDefaultValue = true)]
+        public int SentAt { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class FaxResponseTransmission {\n");
+            sb.Append("  Recipient: ").Append(Recipient).Append("\n");
+            sb.Append("  Sender: ").Append(Sender).Append("\n");
+            sb.Append("  StatusCode: ").Append(StatusCode).Append("\n");
+            sb.Append("  SentAt: ").Append(SentAt).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as FaxResponseTransmission);
+        }
+
+        /// <summary>
+        /// Returns true if FaxResponseTransmission instances are equal
+        /// </summary>
+        /// <param name="input">Instance of FaxResponseTransmission to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(FaxResponseTransmission input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.Recipient == input.Recipient ||
+                    (this.Recipient != null &&
+                    this.Recipient.Equals(input.Recipient))
+                ) &&
+                (
+                    this.Sender == input.Sender ||
+                    (this.Sender != null &&
+                    this.Sender.Equals(input.Sender))
+                ) &&
+                (
+                    this.StatusCode == input.StatusCode ||
+                    this.StatusCode.Equals(input.StatusCode)
+                ) &&
+                (
+                    this.SentAt == input.SentAt ||
+                    this.SentAt.Equals(input.SentAt)
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Recipient != null)
+                {
+                    hashCode = (hashCode * 59) + this.Recipient.GetHashCode();
+                }
+                if (this.Sender != null)
+                {
+                    hashCode = (hashCode * 59) + this.Sender.GetHashCode();
+                }
+                hashCode = (hashCode * 59) + this.StatusCode.GetHashCode();
+                hashCode = (hashCode * 59) + this.SentAt.GetHashCode();
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "recipient",
+                Property = "Recipient",
+                Type = "string",
+                Value = Recipient,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "sender",
+                Property = "Sender",
+                Type = "string",
+                Value = Sender,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "status_code",
+                Property = "StatusCode",
+                Type = "string",
+                Value = StatusCode,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "sent_at",
+                Property = "SentAt",
+                Type = "int",
+                Value = SentAt,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/FaxSendRequest.cs b/sdks/dotnet/src/Dropbox.Sign/Model/FaxSendRequest.cs
new file mode 100644
index 000000000..e4d42e6d4
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/FaxSendRequest.cs
@@ -0,0 +1,383 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// FaxSendRequest
+    /// </summary>
+    [DataContract(Name = "FaxSendRequest")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class FaxSendRequest : IEquatable<FaxSendRequest>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxSendRequest" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected FaxSendRequest() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FaxSendRequest" /> class.
+        /// </summary>
+        /// <param name="recipient">Fax Send To Recipient (required).</param>
+        /// <param name="sender">Fax Send From Sender (used only with fax number).</param>
+        /// <param name="files">Fax File to Send.</param>
+        /// <param name="fileUrls">Fax File URL to Send.</param>
+        /// <param name="testMode">API Test Mode Setting (default to false).</param>
+        /// <param name="coverPageTo">Fax Cover Page for Recipient.</param>
+        /// <param name="coverPageFrom">Fax Cover Page for Sender.</param>
+        /// <param name="coverPageMessage">Fax Cover Page Message.</param>
+        /// <param name="title">Fax Title.</param>
+        public FaxSendRequest(string recipient = default(string), string sender = default(string), List<System.IO.Stream> files = default(List<System.IO.Stream>), List<string> fileUrls = default(List<string>), bool testMode = false, string coverPageTo = default(string), string coverPageFrom = default(string), string coverPageMessage = default(string), string title = default(string))
+        {
+
+            // to ensure "recipient" is required (not null)
+            if (recipient == null)
+            {
+                throw new ArgumentNullException("recipient is a required property for FaxSendRequest and cannot be null");
+            }
+            this.Recipient = recipient;
+            this.Sender = sender;
+            this.Files = files;
+            this.FileUrls = fileUrls;
+            this.TestMode = testMode;
+            this.CoverPageTo = coverPageTo;
+            this.CoverPageFrom = coverPageFrom;
+            this.CoverPageMessage = coverPageMessage;
+            this.Title = title;
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static FaxSendRequest Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<FaxSendRequest>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of FaxSendRequest");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Fax Send To Recipient
+        /// </summary>
+        /// <value>Fax Send To Recipient</value>
+        /// <example>recipient@example.com</example>
+        [DataMember(Name = "recipient", IsRequired = true, EmitDefaultValue = true)]
+        public string Recipient { get; set; }
+
+        /// <summary>
+        /// Fax Send From Sender (used only with fax number)
+        /// </summary>
+        /// <value>Fax Send From Sender (used only with fax number)</value>
+        /// <example>sender@example.com</example>
+        [DataMember(Name = "sender", EmitDefaultValue = true)]
+        public string Sender { get; set; }
+
+        /// <summary>
+        /// Fax File to Send
+        /// </summary>
+        /// <value>Fax File to Send</value>
+        [DataMember(Name = "files", EmitDefaultValue = true)]
+        public List<System.IO.Stream> Files { get; set; }
+
+        /// <summary>
+        /// Fax File URL to Send
+        /// </summary>
+        /// <value>Fax File URL to Send</value>
+        [DataMember(Name = "file_urls", EmitDefaultValue = true)]
+        public List<string> FileUrls { get; set; }
+
+        /// <summary>
+        /// API Test Mode Setting
+        /// </summary>
+        /// <value>API Test Mode Setting</value>
+        [DataMember(Name = "test_mode", EmitDefaultValue = true)]
+        public bool TestMode { get; set; }
+
+        /// <summary>
+        /// Fax Cover Page for Recipient
+        /// </summary>
+        /// <value>Fax Cover Page for Recipient</value>
+        /// <example>Recipient Name</example>
+        [DataMember(Name = "cover_page_to", EmitDefaultValue = true)]
+        public string CoverPageTo { get; set; }
+
+        /// <summary>
+        /// Fax Cover Page for Sender
+        /// </summary>
+        /// <value>Fax Cover Page for Sender</value>
+        /// <example>Sender Name</example>
+        [DataMember(Name = "cover_page_from", EmitDefaultValue = true)]
+        public string CoverPageFrom { get; set; }
+
+        /// <summary>
+        /// Fax Cover Page Message
+        /// </summary>
+        /// <value>Fax Cover Page Message</value>
+        /// <example>Please find the attached documents.</example>
+        [DataMember(Name = "cover_page_message", EmitDefaultValue = true)]
+        public string CoverPageMessage { get; set; }
+
+        /// <summary>
+        /// Fax Title
+        /// </summary>
+        /// <value>Fax Title</value>
+        /// <example>Fax Title</example>
+        [DataMember(Name = "title", EmitDefaultValue = true)]
+        public string Title { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class FaxSendRequest {\n");
+            sb.Append("  Recipient: ").Append(Recipient).Append("\n");
+            sb.Append("  Sender: ").Append(Sender).Append("\n");
+            sb.Append("  Files: ").Append(Files).Append("\n");
+            sb.Append("  FileUrls: ").Append(FileUrls).Append("\n");
+            sb.Append("  TestMode: ").Append(TestMode).Append("\n");
+            sb.Append("  CoverPageTo: ").Append(CoverPageTo).Append("\n");
+            sb.Append("  CoverPageFrom: ").Append(CoverPageFrom).Append("\n");
+            sb.Append("  CoverPageMessage: ").Append(CoverPageMessage).Append("\n");
+            sb.Append("  Title: ").Append(Title).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as FaxSendRequest);
+        }
+
+        /// <summary>
+        /// Returns true if FaxSendRequest instances are equal
+        /// </summary>
+        /// <param name="input">Instance of FaxSendRequest to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(FaxSendRequest input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.Recipient == input.Recipient ||
+                    (this.Recipient != null &&
+                    this.Recipient.Equals(input.Recipient))
+                ) &&
+                (
+                    this.Sender == input.Sender ||
+                    (this.Sender != null &&
+                    this.Sender.Equals(input.Sender))
+                ) &&
+                (
+                    this.Files == input.Files ||
+                    this.Files != null &&
+                    input.Files != null &&
+                    this.Files.SequenceEqual(input.Files)
+                ) &&
+                (
+                    this.FileUrls == input.FileUrls ||
+                    this.FileUrls != null &&
+                    input.FileUrls != null &&
+                    this.FileUrls.SequenceEqual(input.FileUrls)
+                ) &&
+                (
+                    this.TestMode == input.TestMode ||
+                    this.TestMode.Equals(input.TestMode)
+                ) &&
+                (
+                    this.CoverPageTo == input.CoverPageTo ||
+                    (this.CoverPageTo != null &&
+                    this.CoverPageTo.Equals(input.CoverPageTo))
+                ) &&
+                (
+                    this.CoverPageFrom == input.CoverPageFrom ||
+                    (this.CoverPageFrom != null &&
+                    this.CoverPageFrom.Equals(input.CoverPageFrom))
+                ) &&
+                (
+                    this.CoverPageMessage == input.CoverPageMessage ||
+                    (this.CoverPageMessage != null &&
+                    this.CoverPageMessage.Equals(input.CoverPageMessage))
+                ) &&
+                (
+                    this.Title == input.Title ||
+                    (this.Title != null &&
+                    this.Title.Equals(input.Title))
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Recipient != null)
+                {
+                    hashCode = (hashCode * 59) + this.Recipient.GetHashCode();
+                }
+                if (this.Sender != null)
+                {
+                    hashCode = (hashCode * 59) + this.Sender.GetHashCode();
+                }
+                if (this.Files != null)
+                {
+                    hashCode = (hashCode * 59) + this.Files.GetHashCode();
+                }
+                if (this.FileUrls != null)
+                {
+                    hashCode = (hashCode * 59) + this.FileUrls.GetHashCode();
+                }
+                hashCode = (hashCode * 59) + this.TestMode.GetHashCode();
+                if (this.CoverPageTo != null)
+                {
+                    hashCode = (hashCode * 59) + this.CoverPageTo.GetHashCode();
+                }
+                if (this.CoverPageFrom != null)
+                {
+                    hashCode = (hashCode * 59) + this.CoverPageFrom.GetHashCode();
+                }
+                if (this.CoverPageMessage != null)
+                {
+                    hashCode = (hashCode * 59) + this.CoverPageMessage.GetHashCode();
+                }
+                if (this.Title != null)
+                {
+                    hashCode = (hashCode * 59) + this.Title.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "recipient",
+                Property = "Recipient",
+                Type = "string",
+                Value = Recipient,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "sender",
+                Property = "Sender",
+                Type = "string",
+                Value = Sender,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "files",
+                Property = "Files",
+                Type = "List<System.IO.Stream>",
+                Value = Files,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "file_urls",
+                Property = "FileUrls",
+                Type = "List<string>",
+                Value = FileUrls,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "test_mode",
+                Property = "TestMode",
+                Type = "bool",
+                Value = TestMode,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "cover_page_to",
+                Property = "CoverPageTo",
+                Type = "string",
+                Value = CoverPageTo,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "cover_page_from",
+                Property = "CoverPageFrom",
+                Type = "string",
+                Value = CoverPageFrom,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "cover_page_message",
+                Property = "CoverPageMessage",
+                Type = "string",
+                Value = CoverPageMessage,
+            });
+            types.Add(new OpenApiType()
+            {
+                Name = "title",
+                Property = "Title",
+                Type = "string",
+                Value = Title,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/dotnet/src/Dropbox.Sign/Model/SubFile.cs b/sdks/dotnet/src/Dropbox.Sign/Model/SubFile.cs
new file mode 100644
index 000000000..d17056299
--- /dev/null
+++ b/sdks/dotnet/src/Dropbox.Sign/Model/SubFile.cs
@@ -0,0 +1,167 @@
+/*
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Dropbox.Sign.Client.OpenAPIDateConverter;
+
+namespace Dropbox.Sign.Model
+{
+    /// <summary>
+    /// Actual uploaded physical file
+    /// </summary>
+    [DataContract(Name = "SubFile")]
+    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
+    public partial class SubFile : IEquatable<SubFile>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SubFile" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected SubFile() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SubFile" /> class.
+        /// </summary>
+        /// <param name="name">Actual physical uploaded file name that is derived during upload. Not settable parameter. (default to &quot;&quot;).</param>
+        public SubFile(string name = @"")
+        {
+
+            // use default value if no "name" provided
+            this.Name = name ?? "";
+        }
+
+        /// <summary>
+        /// Attempt to instantiate and hydrate a new instance of this class
+        /// </summary>
+        /// <param name="jsonData">String of JSON data representing target object</param>
+        public static SubFile Init(string jsonData)
+        {
+            var obj = JsonConvert.DeserializeObject<SubFile>(jsonData);
+
+            if (obj == null)
+            {
+                throw new Exception("Unable to deserialize JSON to instance of SubFile");
+            }
+
+            return obj;
+        }
+
+        /// <summary>
+        /// Actual physical uploaded file name that is derived during upload. Not settable parameter.
+        /// </summary>
+        /// <value>Actual physical uploaded file name that is derived during upload. Not settable parameter.</value>
+        [DataMember(Name = "name", EmitDefaultValue = true)]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class SubFile {\n");
+            sb.Append("  Name: ").Append(Name).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as SubFile);
+        }
+
+        /// <summary>
+        /// Returns true if SubFile instances are equal
+        /// </summary>
+        /// <param name="input">Instance of SubFile to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(SubFile input)
+        {
+            if (input == null)
+            {
+                return false;
+            }
+            return
+                (
+                    this.Name == input.Name ||
+                    (this.Name != null &&
+                    this.Name.Equals(input.Name))
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Name != null)
+                {
+                    hashCode = (hashCode * 59) + this.Name.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+        public List<OpenApiType> GetOpenApiTypes()
+        {
+            var types = new List<OpenApiType>();
+            types.Add(new OpenApiType()
+            {
+                Name = "name",
+                Property = "Name",
+                Type = "string",
+                Value = Name,
+            });
+
+            return types;
+        }
+    }
+
+}
diff --git a/sdks/java-v1/README.md b/sdks/java-v1/README.md
index b78da75be..f03e09094 100644
--- a/sdks/java-v1/README.md
+++ b/sdks/java-v1/README.md
@@ -177,6 +177,11 @@ Class | Method | HTTP request | Description
 *BulkSendJobApi* | [**bulkSendJobList**](docs/BulkSendJobApi.md#bulkSendJobList) | **GET** /bulk_send_job/list | List Bulk Send Jobs
 *EmbeddedApi* | [**embeddedEditUrl**](docs/EmbeddedApi.md#embeddedEditUrl) | **POST** /embedded/edit_url/{template_id} | Get Embedded Template Edit URL
 *EmbeddedApi* | [**embeddedSignUrl**](docs/EmbeddedApi.md#embeddedSignUrl) | **GET** /embedded/sign_url/{signature_id} | Get Embedded Sign URL
+*FaxApi* | [**faxDelete**](docs/FaxApi.md#faxDelete) | **DELETE** /fax/{fax_id} | Delete Fax
+*FaxApi* | [**faxFiles**](docs/FaxApi.md#faxFiles) | **GET** /fax/files/{fax_id} | List Fax Files
+*FaxApi* | [**faxGet**](docs/FaxApi.md#faxGet) | **GET** /fax/{fax_id} | Get Fax
+*FaxApi* | [**faxList**](docs/FaxApi.md#faxList) | **GET** /fax/list | Lists Faxes
+*FaxApi* | [**faxSend**](docs/FaxApi.md#faxSend) | **POST** /fax/send | Send Fax
 *FaxLineApi* | [**faxLineAddUser**](docs/FaxLineApi.md#faxLineAddUser) | **PUT** /fax_line/add_user | Add Fax Line User
 *FaxLineApi* | [**faxLineAreaCodeGet**](docs/FaxLineApi.md#faxLineAreaCodeGet) | **GET** /fax_line/area_codes | Get Available Fax Line Area Codes
 *FaxLineApi* | [**faxLineCreate**](docs/FaxLineApi.md#faxLineCreate) | **POST** /fax_line/create | Purchase Fax Line
@@ -266,6 +271,7 @@ Class | Method | HTTP request | Description
  - [EventCallbackRequest](docs/EventCallbackRequest.md)
  - [EventCallbackRequestEvent](docs/EventCallbackRequestEvent.md)
  - [EventCallbackRequestEventMetadata](docs/EventCallbackRequestEventMetadata.md)
+ - [FaxGetResponse](docs/FaxGetResponse.md)
  - [FaxLineAddUserRequest](docs/FaxLineAddUserRequest.md)
  - [FaxLineAreaCodeGetCountryEnum](docs/FaxLineAreaCodeGetCountryEnum.md)
  - [FaxLineAreaCodeGetProvinceEnum](docs/FaxLineAreaCodeGetProvinceEnum.md)
@@ -277,6 +283,10 @@ Class | Method | HTTP request | Description
  - [FaxLineRemoveUserRequest](docs/FaxLineRemoveUserRequest.md)
  - [FaxLineResponse](docs/FaxLineResponse.md)
  - [FaxLineResponseFaxLine](docs/FaxLineResponseFaxLine.md)
+ - [FaxListResponse](docs/FaxListResponse.md)
+ - [FaxResponse](docs/FaxResponse.md)
+ - [FaxResponseTransmission](docs/FaxResponseTransmission.md)
+ - [FaxSendRequest](docs/FaxSendRequest.md)
  - [FileResponse](docs/FileResponse.md)
  - [FileResponseDataUri](docs/FileResponseDataUri.md)
  - [ListInfoResponse](docs/ListInfoResponse.md)
diff --git a/sdks/java-v1/docs/FaxApi.md b/sdks/java-v1/docs/FaxApi.md
new file mode 100644
index 000000000..a3d9baef9
--- /dev/null
+++ b/sdks/java-v1/docs/FaxApi.md
@@ -0,0 +1,364 @@
+# FaxApi
+
+All URIs are relative to *https://api.hellosign.com/v3*
+
+| Method | HTTP request | Description |
+|------------- | ------------- | -------------|
+[**faxDelete**](FaxApi.md#faxDelete) | **DELETE** /fax/{fax_id} | Delete Fax
+[**faxFiles**](FaxApi.md#faxFiles) | **GET** /fax/files/{fax_id} | List Fax Files
+[**faxGet**](FaxApi.md#faxGet) | **GET** /fax/{fax_id} | Get Fax
+[**faxList**](FaxApi.md#faxList) | **GET** /fax/list | Lists Faxes
+[**faxSend**](FaxApi.md#faxSend) | **POST** /fax/send | Send Fax
+
+
+
+## faxDelete
+
+> faxDelete(faxId)
+
+Delete Fax
+
+Deletes the specified Fax from the system.
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.util.List;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        try {
+            faxApi.faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxId** | **String**| Fax ID |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **204** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxFiles
+
+> File faxFiles(faxId)
+
+List Fax Files
+
+Returns list of fax files
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.io.File;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try {
+            File result = faxApi.faxFiles(faxId);
+            result.renameTo(new File("file_response.pdf"));;
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxId** | **String**| Fax ID |
+
+### Return type
+
+[**File**](File.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/pdf, application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxGet
+
+> FaxGetResponse faxGet(faxId)
+
+Get Fax
+
+Returns information about fax
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try {
+            FaxGetResponse result = faxApi.faxGet(faxId);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling AccountApi#accountCreate");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxId** | **String**| Fax ID |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxList
+
+> FaxListResponse faxList(page, pageSize)
+
+Lists Faxes
+
+Returns properties of multiple faxes
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var page = 1;
+        var pageSize = 2;
+
+        try {
+            FaxListResponse result = faxApi.faxList(page, pageSize);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling AccountApi#accountCreate");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **page** | **Integer**| Page | [optional] [default to 1]
+ **pageSize** | **Integer**| Page size | [optional] [default to 20]
+
+### Return type
+
+[**FaxListResponse**](FaxListResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxSend
+
+> FaxGetResponse faxSend(faxSendRequest)
+
+Send Fax
+
+Action to prepare and send a fax
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.util.List;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+
+        var data = new FaxSendRequest()
+            .addFilesItem(new File("example_fax.pdf"))
+            .testMode(true)
+            .recipient("16690000001")
+            .sender("16690000000")
+            .coverPageTo("Jill Fax")
+            .coverPageMessage("I'm sending you a fax!")
+            .coverPageFrom("Faxer Faxerson")
+            .title("This is what the fax is about!");
+
+        try {
+            FaxCreateResponse result = faxApi.faxSend(data);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxSendRequest** | [**FaxSendRequest**](FaxSendRequest.md)|  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: application/json, multipart/form-data
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
diff --git a/sdks/java-v1/docs/FaxGetResponse.md b/sdks/java-v1/docs/FaxGetResponse.md
new file mode 100644
index 000000000..cc9dc6e57
--- /dev/null
+++ b/sdks/java-v1/docs/FaxGetResponse.md
@@ -0,0 +1,15 @@
+
+
+# FaxGetResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `fax`<sup>*_required_</sup> | [```FaxResponse```](FaxResponse.md) |    |  |
+| `warnings` | [```List<WarningResponse>```](WarningResponse.md) |  A list of warnings.  |  |
+
+
+
diff --git a/sdks/java-v1/docs/FaxListResponse.md b/sdks/java-v1/docs/FaxListResponse.md
new file mode 100644
index 000000000..f25379a27
--- /dev/null
+++ b/sdks/java-v1/docs/FaxListResponse.md
@@ -0,0 +1,15 @@
+
+
+# FaxListResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `faxes`<sup>*_required_</sup> | [```List<FaxResponse>```](FaxResponse.md) |    |  |
+| `listInfo`<sup>*_required_</sup> | [```ListInfoResponse```](ListInfoResponse.md) |    |  |
+
+
+
diff --git a/sdks/java-v1/docs/FaxResponse.md b/sdks/java-v1/docs/FaxResponse.md
new file mode 100644
index 000000000..77ec7eb10
--- /dev/null
+++ b/sdks/java-v1/docs/FaxResponse.md
@@ -0,0 +1,23 @@
+
+
+# FaxResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `faxId`<sup>*_required_</sup> | ```String``` |  Fax ID  |  |
+| `title`<sup>*_required_</sup> | ```String``` |  Fax Title  |  |
+| `originalTitle`<sup>*_required_</sup> | ```String``` |  Fax Original Title  |  |
+| `subject`<sup>*_required_</sup> | ```String``` |  Fax Subject  |  |
+| `message`<sup>*_required_</sup> | ```String``` |  Fax Message  |  |
+| `metadata`<sup>*_required_</sup> | ```Map<String, Object>``` |  Fax Metadata  |  |
+| `createdAt`<sup>*_required_</sup> | ```Integer``` |  Fax Created At Timestamp  |  |
+| `sender`<sup>*_required_</sup> | ```String``` |  Fax Sender Email  |  |
+| `transmissions`<sup>*_required_</sup> | [```List<FaxResponseTransmission>```](FaxResponseTransmission.md) |  Fax Transmissions List  |  |
+| `filesUrl`<sup>*_required_</sup> | ```String``` |  Fax Files URL  |  |
+
+
+
diff --git a/sdks/java-v1/docs/FaxResponseTransmission.md b/sdks/java-v1/docs/FaxResponseTransmission.md
new file mode 100644
index 000000000..09db223e9
--- /dev/null
+++ b/sdks/java-v1/docs/FaxResponseTransmission.md
@@ -0,0 +1,32 @@
+
+
+# FaxResponseTransmission
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `recipient`<sup>*_required_</sup> | ```String``` |  Fax Transmission Recipient  |  |
+| `sender`<sup>*_required_</sup> | ```String``` |  Fax Transmission Sender  |  |
+| `statusCode`<sup>*_required_</sup> | [```StatusCodeEnum```](#StatusCodeEnum) |  Fax Transmission Status Code  |  |
+| `sentAt` | ```Integer``` |  Fax Transmission Sent Timestamp  |  |
+
+
+
+## Enum: StatusCodeEnum
+
+| Name | Value |
+---- | -----
+| SUCCESS | &quot;success&quot; |
+| TRANSMITTING | &quot;transmitting&quot; |
+| ERROR_COULD_NOT_FAX | &quot;error_could_not_fax&quot; |
+| ERROR_UNKNOWN | &quot;error_unknown&quot; |
+| ERROR_BUSY | &quot;error_busy&quot; |
+| ERROR_NO_ANSWER | &quot;error_no_answer&quot; |
+| ERROR_DISCONNECTED | &quot;error_disconnected&quot; |
+| ERROR_BAD_DESTINATION | &quot;error_bad_destination&quot; |
+
+
+
diff --git a/sdks/java-v1/docs/FaxSendRequest.md b/sdks/java-v1/docs/FaxSendRequest.md
new file mode 100644
index 000000000..5b939a0af
--- /dev/null
+++ b/sdks/java-v1/docs/FaxSendRequest.md
@@ -0,0 +1,22 @@
+
+
+# FaxSendRequest
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `recipient`<sup>*_required_</sup> | ```String``` |  Fax Send To Recipient  |  |
+| `sender` | ```String``` |  Fax Send From Sender (used only with fax number)  |  |
+| `files` | ```List<File>``` |  Fax File to Send  |  |
+| `fileUrls` | ```List<String>``` |  Fax File URL to Send  |  |
+| `testMode` | ```Boolean``` |  API Test Mode Setting  |  |
+| `coverPageTo` | ```String``` |  Fax Cover Page for Recipient  |  |
+| `coverPageFrom` | ```String``` |  Fax Cover Page for Sender  |  |
+| `coverPageMessage` | ```String``` |  Fax Cover Page Message  |  |
+| `title` | ```String``` |  Fax Title  |  |
+
+
+
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxApi.java b/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxApi.java
new file mode 100644
index 000000000..ce101cc84
--- /dev/null
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/api/FaxApi.java
@@ -0,0 +1,421 @@
+package com.dropbox.sign.api;
+
+import com.dropbox.sign.ApiClient;
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.ApiResponse;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.Pair;
+import com.dropbox.sign.model.FaxGetResponse;
+import com.dropbox.sign.model.FaxListResponse;
+import com.dropbox.sign.model.FaxSendRequest;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import javax.ws.rs.core.GenericType;
+
+@javax.annotation.Generated(
+        value = "org.openapitools.codegen.languages.JavaClientCodegen",
+        comments = "Generator version: 7.8.0")
+public class FaxApi {
+    private ApiClient apiClient;
+
+    public FaxApi() {
+        this(Configuration.getDefaultApiClient());
+    }
+
+    public FaxApi(ApiClient apiClient) {
+        this.apiClient = apiClient;
+    }
+
+    /**
+     * Get the API client
+     *
+     * @return API client
+     */
+    public ApiClient getApiClient() {
+        return apiClient;
+    }
+
+    /**
+     * Set the API client
+     *
+     * @param apiClient an instance of API client
+     */
+    public void setApiClient(ApiClient apiClient) {
+        this.apiClient = apiClient;
+    }
+
+    /**
+     * Delete Fax. Deletes the specified Fax from the system.
+     *
+     * @param faxId Fax ID (required)
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public void faxDelete(String faxId) throws ApiException {
+        faxDeleteWithHttpInfo(faxId);
+    }
+
+    /**
+     * Delete Fax. Deletes the specified Fax from the system.
+     *
+     * @param faxId Fax ID (required)
+     * @return ApiResponse&lt;Void&gt;
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public ApiResponse<Void> faxDeleteWithHttpInfo(String faxId) throws ApiException {
+
+        // Check required parameters
+        if (faxId == null) {
+            throw new ApiException(
+                    400, "Missing the required parameter 'faxId' when calling faxDelete");
+        }
+
+        // Path parameters
+        String localVarPath =
+                "/fax/{fax_id}".replaceAll("\\{fax_id}", apiClient.escapeString(faxId.toString()));
+
+        String localVarAccept = apiClient.selectHeaderAccept("application/json");
+        Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+        localVarFormParams = new HashMap<String, Object>();
+        boolean isFileTypeFound = !localVarFormParams.isEmpty();
+        String localVarContentType =
+                isFileTypeFound ? "multipart/form-data" : apiClient.selectHeaderContentType();
+        String[] localVarAuthNames = new String[] {"api_key"};
+        return apiClient.invokeAPI(
+                "FaxApi.faxDelete",
+                localVarPath,
+                "DELETE",
+                new ArrayList<>(),
+                null,
+                new LinkedHashMap<>(),
+                new LinkedHashMap<>(),
+                localVarFormParams,
+                localVarAccept,
+                localVarContentType,
+                localVarAuthNames,
+                null,
+                false);
+    }
+
+    /**
+     * List Fax Files. Returns list of fax files
+     *
+     * @param faxId Fax ID (required)
+     * @return File
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public File faxFiles(String faxId) throws ApiException {
+        return faxFilesWithHttpInfo(faxId).getData();
+    }
+
+    /**
+     * List Fax Files. Returns list of fax files
+     *
+     * @param faxId Fax ID (required)
+     * @return ApiResponse&lt;File&gt;
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public ApiResponse<File> faxFilesWithHttpInfo(String faxId) throws ApiException {
+
+        // Check required parameters
+        if (faxId == null) {
+            throw new ApiException(
+                    400, "Missing the required parameter 'faxId' when calling faxFiles");
+        }
+
+        // Path parameters
+        String localVarPath =
+                "/fax/files/{fax_id}"
+                        .replaceAll("\\{fax_id}", apiClient.escapeString(faxId.toString()));
+
+        String localVarAccept = apiClient.selectHeaderAccept("application/pdf", "application/json");
+        Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+        localVarFormParams = new HashMap<String, Object>();
+        boolean isFileTypeFound = !localVarFormParams.isEmpty();
+        String localVarContentType =
+                isFileTypeFound ? "multipart/form-data" : apiClient.selectHeaderContentType();
+        String[] localVarAuthNames = new String[] {"api_key"};
+        GenericType<File> localVarReturnType = new GenericType<File>() {};
+        return apiClient.invokeAPI(
+                "FaxApi.faxFiles",
+                localVarPath,
+                "GET",
+                new ArrayList<>(),
+                null,
+                new LinkedHashMap<>(),
+                new LinkedHashMap<>(),
+                localVarFormParams,
+                localVarAccept,
+                localVarContentType,
+                localVarAuthNames,
+                localVarReturnType,
+                false);
+    }
+
+    /**
+     * Get Fax. Returns information about fax
+     *
+     * @param faxId Fax ID (required)
+     * @return FaxGetResponse
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public FaxGetResponse faxGet(String faxId) throws ApiException {
+        return faxGetWithHttpInfo(faxId).getData();
+    }
+
+    /**
+     * Get Fax. Returns information about fax
+     *
+     * @param faxId Fax ID (required)
+     * @return ApiResponse&lt;FaxGetResponse&gt;
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public ApiResponse<FaxGetResponse> faxGetWithHttpInfo(String faxId) throws ApiException {
+
+        // Check required parameters
+        if (faxId == null) {
+            throw new ApiException(
+                    400, "Missing the required parameter 'faxId' when calling faxGet");
+        }
+
+        // Path parameters
+        String localVarPath =
+                "/fax/{fax_id}".replaceAll("\\{fax_id}", apiClient.escapeString(faxId.toString()));
+
+        String localVarAccept = apiClient.selectHeaderAccept("application/json");
+        Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+        localVarFormParams = new HashMap<String, Object>();
+        boolean isFileTypeFound = !localVarFormParams.isEmpty();
+        String localVarContentType =
+                isFileTypeFound ? "multipart/form-data" : apiClient.selectHeaderContentType();
+        String[] localVarAuthNames = new String[] {"api_key"};
+        GenericType<FaxGetResponse> localVarReturnType = new GenericType<FaxGetResponse>() {};
+        return apiClient.invokeAPI(
+                "FaxApi.faxGet",
+                localVarPath,
+                "GET",
+                new ArrayList<>(),
+                null,
+                new LinkedHashMap<>(),
+                new LinkedHashMap<>(),
+                localVarFormParams,
+                localVarAccept,
+                localVarContentType,
+                localVarAuthNames,
+                localVarReturnType,
+                false);
+    }
+
+    /**
+     * Lists Faxes. Returns properties of multiple faxes
+     *
+     * @param page Page (optional, default to 1)
+     * @param pageSize Page size (optional, default to 20)
+     * @return FaxListResponse
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public FaxListResponse faxList(Integer page, Integer pageSize) throws ApiException {
+        return faxListWithHttpInfo(page, pageSize).getData();
+    }
+
+    /**
+     * @see FaxApi#faxList(Integer, Integer)
+     */
+    public FaxListResponse faxList() throws ApiException {
+        Integer page = 1;
+        Integer pageSize = 20;
+
+        return faxListWithHttpInfo(page, pageSize).getData();
+    }
+
+    /**
+     * @see FaxApi#faxListWithHttpInfo(Integer, Integer)
+     */
+    public ApiResponse<FaxListResponse> faxListWithHttpInfo() throws ApiException {
+        Integer page = 1;
+        Integer pageSize = 20;
+
+        return faxListWithHttpInfo(page, pageSize);
+    }
+
+    /**
+     * @see FaxApi#faxList(Integer, Integer)
+     */
+    public FaxListResponse faxList(Integer page) throws ApiException {
+        Integer pageSize = 20;
+
+        return faxListWithHttpInfo(page, pageSize).getData();
+    }
+
+    /**
+     * @see FaxApi#faxListWithHttpInfo(Integer, Integer)
+     */
+    public ApiResponse<FaxListResponse> faxListWithHttpInfo(Integer page) throws ApiException {
+        Integer pageSize = 20;
+
+        return faxListWithHttpInfo(page, pageSize);
+    }
+
+    /**
+     * Lists Faxes. Returns properties of multiple faxes
+     *
+     * @param page Page (optional, default to 1)
+     * @param pageSize Page size (optional, default to 20)
+     * @return ApiResponse&lt;FaxListResponse&gt;
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public ApiResponse<FaxListResponse> faxListWithHttpInfo(Integer page, Integer pageSize)
+            throws ApiException {
+
+        if (page == null) {
+            page = 1;
+        }
+        if (pageSize == null) {
+            pageSize = 20;
+        }
+        // Query parameters
+        List<Pair> localVarQueryParams =
+                new ArrayList<>(apiClient.parameterToPairs("", "page", page));
+        localVarQueryParams.addAll(apiClient.parameterToPairs("", "page_size", pageSize));
+
+        String localVarAccept = apiClient.selectHeaderAccept("application/json");
+        Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+        localVarFormParams = new HashMap<String, Object>();
+        boolean isFileTypeFound = !localVarFormParams.isEmpty();
+        String localVarContentType =
+                isFileTypeFound ? "multipart/form-data" : apiClient.selectHeaderContentType();
+        String[] localVarAuthNames = new String[] {"api_key"};
+        GenericType<FaxListResponse> localVarReturnType = new GenericType<FaxListResponse>() {};
+        return apiClient.invokeAPI(
+                "FaxApi.faxList",
+                "/fax/list",
+                "GET",
+                localVarQueryParams,
+                null,
+                new LinkedHashMap<>(),
+                new LinkedHashMap<>(),
+                localVarFormParams,
+                localVarAccept,
+                localVarContentType,
+                localVarAuthNames,
+                localVarReturnType,
+                false);
+    }
+
+    /**
+     * Send Fax. Action to prepare and send a fax
+     *
+     * @param faxSendRequest (required)
+     * @return FaxGetResponse
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public FaxGetResponse faxSend(FaxSendRequest faxSendRequest) throws ApiException {
+        return faxSendWithHttpInfo(faxSendRequest).getData();
+    }
+
+    /**
+     * Send Fax. Action to prepare and send a fax
+     *
+     * @param faxSendRequest (required)
+     * @return ApiResponse&lt;FaxGetResponse&gt;
+     * @throws ApiException if fails to make API call
+     * @http.response.details
+     *     <table summary="Response Details" border="1">
+     * <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+     * <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+     * <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     * </table>
+     */
+    public ApiResponse<FaxGetResponse> faxSendWithHttpInfo(FaxSendRequest faxSendRequest)
+            throws ApiException {
+
+        // Check required parameters
+        if (faxSendRequest == null) {
+            throw new ApiException(
+                    400, "Missing the required parameter 'faxSendRequest' when calling faxSend");
+        }
+
+        String localVarAccept = apiClient.selectHeaderAccept("application/json");
+        Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+        localVarFormParams = faxSendRequest.createFormData();
+        boolean isFileTypeFound = !localVarFormParams.isEmpty();
+        String localVarContentType =
+                isFileTypeFound
+                        ? "multipart/form-data"
+                        : apiClient.selectHeaderContentType(
+                                "application/json", "multipart/form-data");
+        String[] localVarAuthNames = new String[] {"api_key"};
+        GenericType<FaxGetResponse> localVarReturnType = new GenericType<FaxGetResponse>() {};
+        return apiClient.invokeAPI(
+                "FaxApi.faxSend",
+                "/fax/send",
+                "POST",
+                new ArrayList<>(),
+                isFileTypeFound ? null : faxSendRequest,
+                new LinkedHashMap<>(),
+                new LinkedHashMap<>(),
+                localVarFormParams,
+                localVarAccept,
+                localVarContentType,
+                localVarAuthNames,
+                localVarReturnType,
+                false);
+    }
+}
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxGetResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxGetResponse.java
new file mode 100644
index 000000000..c4f86dd50
--- /dev/null
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxGetResponse.java
@@ -0,0 +1,221 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.dropbox.sign.model;
+
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+/** FaxGetResponse */
+@JsonPropertyOrder({FaxGetResponse.JSON_PROPERTY_FAX, FaxGetResponse.JSON_PROPERTY_WARNINGS})
+@javax.annotation.Generated(
+        value = "org.openapitools.codegen.languages.JavaClientCodegen",
+        comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class FaxGetResponse {
+    public static final String JSON_PROPERTY_FAX = "fax";
+    private FaxResponse fax;
+
+    public static final String JSON_PROPERTY_WARNINGS = "warnings";
+    private List<WarningResponse> warnings = null;
+
+    public FaxGetResponse() {}
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     *
+     * @param jsonData String of JSON data representing target object
+     */
+    public static FaxGetResponse init(String jsonData) throws Exception {
+        return new ObjectMapper().readValue(jsonData, FaxGetResponse.class);
+    }
+
+    public static FaxGetResponse init(HashMap data) throws Exception {
+        return new ObjectMapper()
+                .readValue(new ObjectMapper().writeValueAsString(data), FaxGetResponse.class);
+    }
+
+    public FaxGetResponse fax(FaxResponse fax) {
+        this.fax = fax;
+        return this;
+    }
+
+    /**
+     * Get fax
+     *
+     * @return fax
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_FAX)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public FaxResponse getFax() {
+        return fax;
+    }
+
+    @JsonProperty(JSON_PROPERTY_FAX)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setFax(FaxResponse fax) {
+        this.fax = fax;
+    }
+
+    public FaxGetResponse warnings(List<WarningResponse> warnings) {
+        this.warnings = warnings;
+        return this;
+    }
+
+    public FaxGetResponse addWarningsItem(WarningResponse warningsItem) {
+        if (this.warnings == null) {
+            this.warnings = new ArrayList<>();
+        }
+        this.warnings.add(warningsItem);
+        return this;
+    }
+
+    /**
+     * A list of warnings.
+     *
+     * @return warnings
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_WARNINGS)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public List<WarningResponse> getWarnings() {
+        return warnings;
+    }
+
+    @JsonProperty(JSON_PROPERTY_WARNINGS)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setWarnings(List<WarningResponse> warnings) {
+        this.warnings = warnings;
+    }
+
+    /** Return true if this FaxGetResponse object is equal to o. */
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        FaxGetResponse faxGetResponse = (FaxGetResponse) o;
+        return Objects.equals(this.fax, faxGetResponse.fax)
+                && Objects.equals(this.warnings, faxGetResponse.warnings);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(fax, warnings);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class FaxGetResponse {\n");
+        sb.append("    fax: ").append(toIndentedString(fax)).append("\n");
+        sb.append("    warnings: ").append(toIndentedString(warnings)).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+
+    public Map<String, Object> createFormData() throws ApiException {
+        Map<String, Object> map = new HashMap<>();
+        boolean fileTypeFound = false;
+        try {
+            if (fax != null) {
+                if (isFileTypeOrListOfFiles(fax)) {
+                    fileTypeFound = true;
+                }
+
+                if (fax.getClass().equals(java.io.File.class)
+                        || fax.getClass().equals(Integer.class)
+                        || fax.getClass().equals(String.class)
+                        || fax.getClass().isEnum()) {
+                    map.put("fax", fax);
+                } else if (isListOfFile(fax)) {
+                    for (int i = 0; i < getListSize(fax); i++) {
+                        map.put("fax[" + i + "]", getFromList(fax, i));
+                    }
+                } else {
+                    map.put("fax", JSON.getDefault().getMapper().writeValueAsString(fax));
+                }
+            }
+            if (warnings != null) {
+                if (isFileTypeOrListOfFiles(warnings)) {
+                    fileTypeFound = true;
+                }
+
+                if (warnings.getClass().equals(java.io.File.class)
+                        || warnings.getClass().equals(Integer.class)
+                        || warnings.getClass().equals(String.class)
+                        || warnings.getClass().isEnum()) {
+                    map.put("warnings", warnings);
+                } else if (isListOfFile(warnings)) {
+                    for (int i = 0; i < getListSize(warnings); i++) {
+                        map.put("warnings[" + i + "]", getFromList(warnings, i));
+                    }
+                } else {
+                    map.put("warnings", JSON.getDefault().getMapper().writeValueAsString(warnings));
+                }
+            }
+        } catch (Exception e) {
+            throw new ApiException(e);
+        }
+
+        return fileTypeFound ? map : new HashMap<>();
+    }
+
+    private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+        return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+    }
+
+    private boolean isListOfFile(Object obj) throws Exception {
+        return obj instanceof java.util.List
+                && !isListEmpty(obj)
+                && getFromList(obj, 0) instanceof java.io.File;
+    }
+
+    private boolean isListEmpty(Object obj) throws Exception {
+        return (boolean)
+                Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+    }
+
+    private Object getFromList(Object obj, int index) throws Exception {
+        return Class.forName(java.util.List.class.getName())
+                .getMethod("get", int.class)
+                .invoke(obj, index);
+    }
+
+    private int getListSize(Object obj) throws Exception {
+        return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces (except the first
+     * line).
+     */
+    private String toIndentedString(Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+}
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxListResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxListResponse.java
new file mode 100644
index 000000000..7da2189b9
--- /dev/null
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxListResponse.java
@@ -0,0 +1,224 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.dropbox.sign.model;
+
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+/** FaxListResponse */
+@JsonPropertyOrder({FaxListResponse.JSON_PROPERTY_FAXES, FaxListResponse.JSON_PROPERTY_LIST_INFO})
+@javax.annotation.Generated(
+        value = "org.openapitools.codegen.languages.JavaClientCodegen",
+        comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class FaxListResponse {
+    public static final String JSON_PROPERTY_FAXES = "faxes";
+    private List<FaxResponse> faxes = new ArrayList<>();
+
+    public static final String JSON_PROPERTY_LIST_INFO = "list_info";
+    private ListInfoResponse listInfo;
+
+    public FaxListResponse() {}
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     *
+     * @param jsonData String of JSON data representing target object
+     */
+    public static FaxListResponse init(String jsonData) throws Exception {
+        return new ObjectMapper().readValue(jsonData, FaxListResponse.class);
+    }
+
+    public static FaxListResponse init(HashMap data) throws Exception {
+        return new ObjectMapper()
+                .readValue(new ObjectMapper().writeValueAsString(data), FaxListResponse.class);
+    }
+
+    public FaxListResponse faxes(List<FaxResponse> faxes) {
+        this.faxes = faxes;
+        return this;
+    }
+
+    public FaxListResponse addFaxesItem(FaxResponse faxesItem) {
+        if (this.faxes == null) {
+            this.faxes = new ArrayList<>();
+        }
+        this.faxes.add(faxesItem);
+        return this;
+    }
+
+    /**
+     * Get faxes
+     *
+     * @return faxes
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_FAXES)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public List<FaxResponse> getFaxes() {
+        return faxes;
+    }
+
+    @JsonProperty(JSON_PROPERTY_FAXES)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setFaxes(List<FaxResponse> faxes) {
+        this.faxes = faxes;
+    }
+
+    public FaxListResponse listInfo(ListInfoResponse listInfo) {
+        this.listInfo = listInfo;
+        return this;
+    }
+
+    /**
+     * Get listInfo
+     *
+     * @return listInfo
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_LIST_INFO)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public ListInfoResponse getListInfo() {
+        return listInfo;
+    }
+
+    @JsonProperty(JSON_PROPERTY_LIST_INFO)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setListInfo(ListInfoResponse listInfo) {
+        this.listInfo = listInfo;
+    }
+
+    /** Return true if this FaxListResponse object is equal to o. */
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        FaxListResponse faxListResponse = (FaxListResponse) o;
+        return Objects.equals(this.faxes, faxListResponse.faxes)
+                && Objects.equals(this.listInfo, faxListResponse.listInfo);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(faxes, listInfo);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class FaxListResponse {\n");
+        sb.append("    faxes: ").append(toIndentedString(faxes)).append("\n");
+        sb.append("    listInfo: ").append(toIndentedString(listInfo)).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+
+    public Map<String, Object> createFormData() throws ApiException {
+        Map<String, Object> map = new HashMap<>();
+        boolean fileTypeFound = false;
+        try {
+            if (faxes != null) {
+                if (isFileTypeOrListOfFiles(faxes)) {
+                    fileTypeFound = true;
+                }
+
+                if (faxes.getClass().equals(java.io.File.class)
+                        || faxes.getClass().equals(Integer.class)
+                        || faxes.getClass().equals(String.class)
+                        || faxes.getClass().isEnum()) {
+                    map.put("faxes", faxes);
+                } else if (isListOfFile(faxes)) {
+                    for (int i = 0; i < getListSize(faxes); i++) {
+                        map.put("faxes[" + i + "]", getFromList(faxes, i));
+                    }
+                } else {
+                    map.put("faxes", JSON.getDefault().getMapper().writeValueAsString(faxes));
+                }
+            }
+            if (listInfo != null) {
+                if (isFileTypeOrListOfFiles(listInfo)) {
+                    fileTypeFound = true;
+                }
+
+                if (listInfo.getClass().equals(java.io.File.class)
+                        || listInfo.getClass().equals(Integer.class)
+                        || listInfo.getClass().equals(String.class)
+                        || listInfo.getClass().isEnum()) {
+                    map.put("list_info", listInfo);
+                } else if (isListOfFile(listInfo)) {
+                    for (int i = 0; i < getListSize(listInfo); i++) {
+                        map.put("list_info[" + i + "]", getFromList(listInfo, i));
+                    }
+                } else {
+                    map.put(
+                            "list_info",
+                            JSON.getDefault().getMapper().writeValueAsString(listInfo));
+                }
+            }
+        } catch (Exception e) {
+            throw new ApiException(e);
+        }
+
+        return fileTypeFound ? map : new HashMap<>();
+    }
+
+    private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+        return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+    }
+
+    private boolean isListOfFile(Object obj) throws Exception {
+        return obj instanceof java.util.List
+                && !isListEmpty(obj)
+                && getFromList(obj, 0) instanceof java.io.File;
+    }
+
+    private boolean isListEmpty(Object obj) throws Exception {
+        return (boolean)
+                Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+    }
+
+    private Object getFromList(Object obj, int index) throws Exception {
+        return Class.forName(java.util.List.class.getName())
+                .getMethod("get", int.class)
+                .invoke(obj, index);
+    }
+
+    private int getListSize(Object obj) throws Exception {
+        return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces (except the first
+     * line).
+     */
+    private String toIndentedString(Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+}
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponse.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponse.java
new file mode 100644
index 000000000..bbe2dcde4
--- /dev/null
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponse.java
@@ -0,0 +1,627 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.dropbox.sign.model;
+
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+/** FaxResponse */
+@JsonPropertyOrder({
+    FaxResponse.JSON_PROPERTY_FAX_ID,
+    FaxResponse.JSON_PROPERTY_TITLE,
+    FaxResponse.JSON_PROPERTY_ORIGINAL_TITLE,
+    FaxResponse.JSON_PROPERTY_SUBJECT,
+    FaxResponse.JSON_PROPERTY_MESSAGE,
+    FaxResponse.JSON_PROPERTY_METADATA,
+    FaxResponse.JSON_PROPERTY_CREATED_AT,
+    FaxResponse.JSON_PROPERTY_SENDER,
+    FaxResponse.JSON_PROPERTY_TRANSMISSIONS,
+    FaxResponse.JSON_PROPERTY_FILES_URL
+})
+@javax.annotation.Generated(
+        value = "org.openapitools.codegen.languages.JavaClientCodegen",
+        comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class FaxResponse {
+    public static final String JSON_PROPERTY_FAX_ID = "fax_id";
+    private String faxId;
+
+    public static final String JSON_PROPERTY_TITLE = "title";
+    private String title;
+
+    public static final String JSON_PROPERTY_ORIGINAL_TITLE = "original_title";
+    private String originalTitle;
+
+    public static final String JSON_PROPERTY_SUBJECT = "subject";
+    private String subject;
+
+    public static final String JSON_PROPERTY_MESSAGE = "message";
+    private String message;
+
+    public static final String JSON_PROPERTY_METADATA = "metadata";
+    private Map<String, Object> metadata = new HashMap<>();
+
+    public static final String JSON_PROPERTY_CREATED_AT = "created_at";
+    private Integer createdAt;
+
+    public static final String JSON_PROPERTY_SENDER = "sender";
+    private String sender;
+
+    public static final String JSON_PROPERTY_TRANSMISSIONS = "transmissions";
+    private List<FaxResponseTransmission> transmissions = new ArrayList<>();
+
+    public static final String JSON_PROPERTY_FILES_URL = "files_url";
+    private String filesUrl;
+
+    public FaxResponse() {}
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     *
+     * @param jsonData String of JSON data representing target object
+     */
+    public static FaxResponse init(String jsonData) throws Exception {
+        return new ObjectMapper().readValue(jsonData, FaxResponse.class);
+    }
+
+    public static FaxResponse init(HashMap data) throws Exception {
+        return new ObjectMapper()
+                .readValue(new ObjectMapper().writeValueAsString(data), FaxResponse.class);
+    }
+
+    public FaxResponse faxId(String faxId) {
+        this.faxId = faxId;
+        return this;
+    }
+
+    /**
+     * Fax ID
+     *
+     * @return faxId
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_FAX_ID)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getFaxId() {
+        return faxId;
+    }
+
+    @JsonProperty(JSON_PROPERTY_FAX_ID)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setFaxId(String faxId) {
+        this.faxId = faxId;
+    }
+
+    public FaxResponse title(String title) {
+        this.title = title;
+        return this;
+    }
+
+    /**
+     * Fax Title
+     *
+     * @return title
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_TITLE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getTitle() {
+        return title;
+    }
+
+    @JsonProperty(JSON_PROPERTY_TITLE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public FaxResponse originalTitle(String originalTitle) {
+        this.originalTitle = originalTitle;
+        return this;
+    }
+
+    /**
+     * Fax Original Title
+     *
+     * @return originalTitle
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_ORIGINAL_TITLE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getOriginalTitle() {
+        return originalTitle;
+    }
+
+    @JsonProperty(JSON_PROPERTY_ORIGINAL_TITLE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setOriginalTitle(String originalTitle) {
+        this.originalTitle = originalTitle;
+    }
+
+    public FaxResponse subject(String subject) {
+        this.subject = subject;
+        return this;
+    }
+
+    /**
+     * Fax Subject
+     *
+     * @return subject
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_SUBJECT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getSubject() {
+        return subject;
+    }
+
+    @JsonProperty(JSON_PROPERTY_SUBJECT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setSubject(String subject) {
+        this.subject = subject;
+    }
+
+    public FaxResponse message(String message) {
+        this.message = message;
+        return this;
+    }
+
+    /**
+     * Fax Message
+     *
+     * @return message
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_MESSAGE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getMessage() {
+        return message;
+    }
+
+    @JsonProperty(JSON_PROPERTY_MESSAGE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public FaxResponse metadata(Map<String, Object> metadata) {
+        this.metadata = metadata;
+        return this;
+    }
+
+    public FaxResponse putMetadataItem(String key, Object metadataItem) {
+        if (this.metadata == null) {
+            this.metadata = new HashMap<>();
+        }
+        this.metadata.put(key, metadataItem);
+        return this;
+    }
+
+    /**
+     * Fax Metadata
+     *
+     * @return metadata
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_METADATA)
+    @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.ALWAYS)
+    public Map<String, Object> getMetadata() {
+        return metadata;
+    }
+
+    @JsonProperty(JSON_PROPERTY_METADATA)
+    @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.ALWAYS)
+    public void setMetadata(Map<String, Object> metadata) {
+        this.metadata = metadata;
+    }
+
+    public FaxResponse createdAt(Integer createdAt) {
+        this.createdAt = createdAt;
+        return this;
+    }
+
+    /**
+     * Fax Created At Timestamp
+     *
+     * @return createdAt
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_CREATED_AT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public Integer getCreatedAt() {
+        return createdAt;
+    }
+
+    @JsonProperty(JSON_PROPERTY_CREATED_AT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setCreatedAt(Integer createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public FaxResponse sender(String sender) {
+        this.sender = sender;
+        return this;
+    }
+
+    /**
+     * Fax Sender Email
+     *
+     * @return sender
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_SENDER)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getSender() {
+        return sender;
+    }
+
+    @JsonProperty(JSON_PROPERTY_SENDER)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setSender(String sender) {
+        this.sender = sender;
+    }
+
+    public FaxResponse transmissions(List<FaxResponseTransmission> transmissions) {
+        this.transmissions = transmissions;
+        return this;
+    }
+
+    public FaxResponse addTransmissionsItem(FaxResponseTransmission transmissionsItem) {
+        if (this.transmissions == null) {
+            this.transmissions = new ArrayList<>();
+        }
+        this.transmissions.add(transmissionsItem);
+        return this;
+    }
+
+    /**
+     * Fax Transmissions List
+     *
+     * @return transmissions
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_TRANSMISSIONS)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public List<FaxResponseTransmission> getTransmissions() {
+        return transmissions;
+    }
+
+    @JsonProperty(JSON_PROPERTY_TRANSMISSIONS)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setTransmissions(List<FaxResponseTransmission> transmissions) {
+        this.transmissions = transmissions;
+    }
+
+    public FaxResponse filesUrl(String filesUrl) {
+        this.filesUrl = filesUrl;
+        return this;
+    }
+
+    /**
+     * Fax Files URL
+     *
+     * @return filesUrl
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_FILES_URL)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getFilesUrl() {
+        return filesUrl;
+    }
+
+    @JsonProperty(JSON_PROPERTY_FILES_URL)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setFilesUrl(String filesUrl) {
+        this.filesUrl = filesUrl;
+    }
+
+    /** Return true if this FaxResponse object is equal to o. */
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        FaxResponse faxResponse = (FaxResponse) o;
+        return Objects.equals(this.faxId, faxResponse.faxId)
+                && Objects.equals(this.title, faxResponse.title)
+                && Objects.equals(this.originalTitle, faxResponse.originalTitle)
+                && Objects.equals(this.subject, faxResponse.subject)
+                && Objects.equals(this.message, faxResponse.message)
+                && Objects.equals(this.metadata, faxResponse.metadata)
+                && Objects.equals(this.createdAt, faxResponse.createdAt)
+                && Objects.equals(this.sender, faxResponse.sender)
+                && Objects.equals(this.transmissions, faxResponse.transmissions)
+                && Objects.equals(this.filesUrl, faxResponse.filesUrl);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(
+                faxId,
+                title,
+                originalTitle,
+                subject,
+                message,
+                metadata,
+                createdAt,
+                sender,
+                transmissions,
+                filesUrl);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class FaxResponse {\n");
+        sb.append("    faxId: ").append(toIndentedString(faxId)).append("\n");
+        sb.append("    title: ").append(toIndentedString(title)).append("\n");
+        sb.append("    originalTitle: ").append(toIndentedString(originalTitle)).append("\n");
+        sb.append("    subject: ").append(toIndentedString(subject)).append("\n");
+        sb.append("    message: ").append(toIndentedString(message)).append("\n");
+        sb.append("    metadata: ").append(toIndentedString(metadata)).append("\n");
+        sb.append("    createdAt: ").append(toIndentedString(createdAt)).append("\n");
+        sb.append("    sender: ").append(toIndentedString(sender)).append("\n");
+        sb.append("    transmissions: ").append(toIndentedString(transmissions)).append("\n");
+        sb.append("    filesUrl: ").append(toIndentedString(filesUrl)).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+
+    public Map<String, Object> createFormData() throws ApiException {
+        Map<String, Object> map = new HashMap<>();
+        boolean fileTypeFound = false;
+        try {
+            if (faxId != null) {
+                if (isFileTypeOrListOfFiles(faxId)) {
+                    fileTypeFound = true;
+                }
+
+                if (faxId.getClass().equals(java.io.File.class)
+                        || faxId.getClass().equals(Integer.class)
+                        || faxId.getClass().equals(String.class)
+                        || faxId.getClass().isEnum()) {
+                    map.put("fax_id", faxId);
+                } else if (isListOfFile(faxId)) {
+                    for (int i = 0; i < getListSize(faxId); i++) {
+                        map.put("fax_id[" + i + "]", getFromList(faxId, i));
+                    }
+                } else {
+                    map.put("fax_id", JSON.getDefault().getMapper().writeValueAsString(faxId));
+                }
+            }
+            if (title != null) {
+                if (isFileTypeOrListOfFiles(title)) {
+                    fileTypeFound = true;
+                }
+
+                if (title.getClass().equals(java.io.File.class)
+                        || title.getClass().equals(Integer.class)
+                        || title.getClass().equals(String.class)
+                        || title.getClass().isEnum()) {
+                    map.put("title", title);
+                } else if (isListOfFile(title)) {
+                    for (int i = 0; i < getListSize(title); i++) {
+                        map.put("title[" + i + "]", getFromList(title, i));
+                    }
+                } else {
+                    map.put("title", JSON.getDefault().getMapper().writeValueAsString(title));
+                }
+            }
+            if (originalTitle != null) {
+                if (isFileTypeOrListOfFiles(originalTitle)) {
+                    fileTypeFound = true;
+                }
+
+                if (originalTitle.getClass().equals(java.io.File.class)
+                        || originalTitle.getClass().equals(Integer.class)
+                        || originalTitle.getClass().equals(String.class)
+                        || originalTitle.getClass().isEnum()) {
+                    map.put("original_title", originalTitle);
+                } else if (isListOfFile(originalTitle)) {
+                    for (int i = 0; i < getListSize(originalTitle); i++) {
+                        map.put("original_title[" + i + "]", getFromList(originalTitle, i));
+                    }
+                } else {
+                    map.put(
+                            "original_title",
+                            JSON.getDefault().getMapper().writeValueAsString(originalTitle));
+                }
+            }
+            if (subject != null) {
+                if (isFileTypeOrListOfFiles(subject)) {
+                    fileTypeFound = true;
+                }
+
+                if (subject.getClass().equals(java.io.File.class)
+                        || subject.getClass().equals(Integer.class)
+                        || subject.getClass().equals(String.class)
+                        || subject.getClass().isEnum()) {
+                    map.put("subject", subject);
+                } else if (isListOfFile(subject)) {
+                    for (int i = 0; i < getListSize(subject); i++) {
+                        map.put("subject[" + i + "]", getFromList(subject, i));
+                    }
+                } else {
+                    map.put("subject", JSON.getDefault().getMapper().writeValueAsString(subject));
+                }
+            }
+            if (message != null) {
+                if (isFileTypeOrListOfFiles(message)) {
+                    fileTypeFound = true;
+                }
+
+                if (message.getClass().equals(java.io.File.class)
+                        || message.getClass().equals(Integer.class)
+                        || message.getClass().equals(String.class)
+                        || message.getClass().isEnum()) {
+                    map.put("message", message);
+                } else if (isListOfFile(message)) {
+                    for (int i = 0; i < getListSize(message); i++) {
+                        map.put("message[" + i + "]", getFromList(message, i));
+                    }
+                } else {
+                    map.put("message", JSON.getDefault().getMapper().writeValueAsString(message));
+                }
+            }
+            if (metadata != null) {
+                if (isFileTypeOrListOfFiles(metadata)) {
+                    fileTypeFound = true;
+                }
+
+                if (metadata.getClass().equals(java.io.File.class)
+                        || metadata.getClass().equals(Integer.class)
+                        || metadata.getClass().equals(String.class)
+                        || metadata.getClass().isEnum()) {
+                    map.put("metadata", metadata);
+                } else if (isListOfFile(metadata)) {
+                    for (int i = 0; i < getListSize(metadata); i++) {
+                        map.put("metadata[" + i + "]", getFromList(metadata, i));
+                    }
+                } else {
+                    map.put("metadata", JSON.getDefault().getMapper().writeValueAsString(metadata));
+                }
+            }
+            if (createdAt != null) {
+                if (isFileTypeOrListOfFiles(createdAt)) {
+                    fileTypeFound = true;
+                }
+
+                if (createdAt.getClass().equals(java.io.File.class)
+                        || createdAt.getClass().equals(Integer.class)
+                        || createdAt.getClass().equals(String.class)
+                        || createdAt.getClass().isEnum()) {
+                    map.put("created_at", createdAt);
+                } else if (isListOfFile(createdAt)) {
+                    for (int i = 0; i < getListSize(createdAt); i++) {
+                        map.put("created_at[" + i + "]", getFromList(createdAt, i));
+                    }
+                } else {
+                    map.put(
+                            "created_at",
+                            JSON.getDefault().getMapper().writeValueAsString(createdAt));
+                }
+            }
+            if (sender != null) {
+                if (isFileTypeOrListOfFiles(sender)) {
+                    fileTypeFound = true;
+                }
+
+                if (sender.getClass().equals(java.io.File.class)
+                        || sender.getClass().equals(Integer.class)
+                        || sender.getClass().equals(String.class)
+                        || sender.getClass().isEnum()) {
+                    map.put("sender", sender);
+                } else if (isListOfFile(sender)) {
+                    for (int i = 0; i < getListSize(sender); i++) {
+                        map.put("sender[" + i + "]", getFromList(sender, i));
+                    }
+                } else {
+                    map.put("sender", JSON.getDefault().getMapper().writeValueAsString(sender));
+                }
+            }
+            if (transmissions != null) {
+                if (isFileTypeOrListOfFiles(transmissions)) {
+                    fileTypeFound = true;
+                }
+
+                if (transmissions.getClass().equals(java.io.File.class)
+                        || transmissions.getClass().equals(Integer.class)
+                        || transmissions.getClass().equals(String.class)
+                        || transmissions.getClass().isEnum()) {
+                    map.put("transmissions", transmissions);
+                } else if (isListOfFile(transmissions)) {
+                    for (int i = 0; i < getListSize(transmissions); i++) {
+                        map.put("transmissions[" + i + "]", getFromList(transmissions, i));
+                    }
+                } else {
+                    map.put(
+                            "transmissions",
+                            JSON.getDefault().getMapper().writeValueAsString(transmissions));
+                }
+            }
+            if (filesUrl != null) {
+                if (isFileTypeOrListOfFiles(filesUrl)) {
+                    fileTypeFound = true;
+                }
+
+                if (filesUrl.getClass().equals(java.io.File.class)
+                        || filesUrl.getClass().equals(Integer.class)
+                        || filesUrl.getClass().equals(String.class)
+                        || filesUrl.getClass().isEnum()) {
+                    map.put("files_url", filesUrl);
+                } else if (isListOfFile(filesUrl)) {
+                    for (int i = 0; i < getListSize(filesUrl); i++) {
+                        map.put("files_url[" + i + "]", getFromList(filesUrl, i));
+                    }
+                } else {
+                    map.put(
+                            "files_url",
+                            JSON.getDefault().getMapper().writeValueAsString(filesUrl));
+                }
+            }
+        } catch (Exception e) {
+            throw new ApiException(e);
+        }
+
+        return fileTypeFound ? map : new HashMap<>();
+    }
+
+    private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+        return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+    }
+
+    private boolean isListOfFile(Object obj) throws Exception {
+        return obj instanceof java.util.List
+                && !isListEmpty(obj)
+                && getFromList(obj, 0) instanceof java.io.File;
+    }
+
+    private boolean isListEmpty(Object obj) throws Exception {
+        return (boolean)
+                Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+    }
+
+    private Object getFromList(Object obj, int index) throws Exception {
+        return Class.forName(java.util.List.class.getName())
+                .getMethod("get", int.class)
+                .invoke(obj, index);
+    }
+
+    private int getListSize(Object obj) throws Exception {
+        return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces (except the first
+     * line).
+     */
+    private String toIndentedString(Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+}
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java
new file mode 100644
index 000000000..8ab92887f
--- /dev/null
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java
@@ -0,0 +1,360 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.dropbox.sign.model;
+
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.annotation.JsonValue;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+/** FaxResponseTransmission */
+@JsonPropertyOrder({
+    FaxResponseTransmission.JSON_PROPERTY_RECIPIENT,
+    FaxResponseTransmission.JSON_PROPERTY_SENDER,
+    FaxResponseTransmission.JSON_PROPERTY_STATUS_CODE,
+    FaxResponseTransmission.JSON_PROPERTY_SENT_AT
+})
+@javax.annotation.Generated(
+        value = "org.openapitools.codegen.languages.JavaClientCodegen",
+        comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class FaxResponseTransmission {
+    public static final String JSON_PROPERTY_RECIPIENT = "recipient";
+    private String recipient;
+
+    public static final String JSON_PROPERTY_SENDER = "sender";
+    private String sender;
+
+    /** Fax Transmission Status Code */
+    public enum StatusCodeEnum {
+        SUCCESS("success"),
+
+        TRANSMITTING("transmitting"),
+
+        ERROR_COULD_NOT_FAX("error_could_not_fax"),
+
+        ERROR_UNKNOWN("error_unknown"),
+
+        ERROR_BUSY("error_busy"),
+
+        ERROR_NO_ANSWER("error_no_answer"),
+
+        ERROR_DISCONNECTED("error_disconnected"),
+
+        ERROR_BAD_DESTINATION("error_bad_destination");
+
+        private String value;
+
+        StatusCodeEnum(String value) {
+            this.value = value;
+        }
+
+        @JsonValue
+        public String getValue() {
+            return value;
+        }
+
+        @Override
+        public String toString() {
+            return String.valueOf(value);
+        }
+
+        @JsonCreator
+        public static StatusCodeEnum fromValue(String value) {
+            for (StatusCodeEnum b : StatusCodeEnum.values()) {
+                if (b.value.equals(value)) {
+                    return b;
+                }
+            }
+            throw new IllegalArgumentException("Unexpected value '" + value + "'");
+        }
+    }
+
+    public static final String JSON_PROPERTY_STATUS_CODE = "status_code";
+    private StatusCodeEnum statusCode;
+
+    public static final String JSON_PROPERTY_SENT_AT = "sent_at";
+    private Integer sentAt;
+
+    public FaxResponseTransmission() {}
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     *
+     * @param jsonData String of JSON data representing target object
+     */
+    public static FaxResponseTransmission init(String jsonData) throws Exception {
+        return new ObjectMapper().readValue(jsonData, FaxResponseTransmission.class);
+    }
+
+    public static FaxResponseTransmission init(HashMap data) throws Exception {
+        return new ObjectMapper()
+                .readValue(
+                        new ObjectMapper().writeValueAsString(data), FaxResponseTransmission.class);
+    }
+
+    public FaxResponseTransmission recipient(String recipient) {
+        this.recipient = recipient;
+        return this;
+    }
+
+    /**
+     * Fax Transmission Recipient
+     *
+     * @return recipient
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_RECIPIENT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getRecipient() {
+        return recipient;
+    }
+
+    @JsonProperty(JSON_PROPERTY_RECIPIENT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setRecipient(String recipient) {
+        this.recipient = recipient;
+    }
+
+    public FaxResponseTransmission sender(String sender) {
+        this.sender = sender;
+        return this;
+    }
+
+    /**
+     * Fax Transmission Sender
+     *
+     * @return sender
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_SENDER)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getSender() {
+        return sender;
+    }
+
+    @JsonProperty(JSON_PROPERTY_SENDER)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setSender(String sender) {
+        this.sender = sender;
+    }
+
+    public FaxResponseTransmission statusCode(StatusCodeEnum statusCode) {
+        this.statusCode = statusCode;
+        return this;
+    }
+
+    /**
+     * Fax Transmission Status Code
+     *
+     * @return statusCode
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_STATUS_CODE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public StatusCodeEnum getStatusCode() {
+        return statusCode;
+    }
+
+    @JsonProperty(JSON_PROPERTY_STATUS_CODE)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setStatusCode(StatusCodeEnum statusCode) {
+        this.statusCode = statusCode;
+    }
+
+    public FaxResponseTransmission sentAt(Integer sentAt) {
+        this.sentAt = sentAt;
+        return this;
+    }
+
+    /**
+     * Fax Transmission Sent Timestamp
+     *
+     * @return sentAt
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_SENT_AT)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public Integer getSentAt() {
+        return sentAt;
+    }
+
+    @JsonProperty(JSON_PROPERTY_SENT_AT)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setSentAt(Integer sentAt) {
+        this.sentAt = sentAt;
+    }
+
+    /** Return true if this FaxResponseTransmission object is equal to o. */
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        FaxResponseTransmission faxResponseTransmission = (FaxResponseTransmission) o;
+        return Objects.equals(this.recipient, faxResponseTransmission.recipient)
+                && Objects.equals(this.sender, faxResponseTransmission.sender)
+                && Objects.equals(this.statusCode, faxResponseTransmission.statusCode)
+                && Objects.equals(this.sentAt, faxResponseTransmission.sentAt);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(recipient, sender, statusCode, sentAt);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class FaxResponseTransmission {\n");
+        sb.append("    recipient: ").append(toIndentedString(recipient)).append("\n");
+        sb.append("    sender: ").append(toIndentedString(sender)).append("\n");
+        sb.append("    statusCode: ").append(toIndentedString(statusCode)).append("\n");
+        sb.append("    sentAt: ").append(toIndentedString(sentAt)).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+
+    public Map<String, Object> createFormData() throws ApiException {
+        Map<String, Object> map = new HashMap<>();
+        boolean fileTypeFound = false;
+        try {
+            if (recipient != null) {
+                if (isFileTypeOrListOfFiles(recipient)) {
+                    fileTypeFound = true;
+                }
+
+                if (recipient.getClass().equals(java.io.File.class)
+                        || recipient.getClass().equals(Integer.class)
+                        || recipient.getClass().equals(String.class)
+                        || recipient.getClass().isEnum()) {
+                    map.put("recipient", recipient);
+                } else if (isListOfFile(recipient)) {
+                    for (int i = 0; i < getListSize(recipient); i++) {
+                        map.put("recipient[" + i + "]", getFromList(recipient, i));
+                    }
+                } else {
+                    map.put(
+                            "recipient",
+                            JSON.getDefault().getMapper().writeValueAsString(recipient));
+                }
+            }
+            if (sender != null) {
+                if (isFileTypeOrListOfFiles(sender)) {
+                    fileTypeFound = true;
+                }
+
+                if (sender.getClass().equals(java.io.File.class)
+                        || sender.getClass().equals(Integer.class)
+                        || sender.getClass().equals(String.class)
+                        || sender.getClass().isEnum()) {
+                    map.put("sender", sender);
+                } else if (isListOfFile(sender)) {
+                    for (int i = 0; i < getListSize(sender); i++) {
+                        map.put("sender[" + i + "]", getFromList(sender, i));
+                    }
+                } else {
+                    map.put("sender", JSON.getDefault().getMapper().writeValueAsString(sender));
+                }
+            }
+            if (statusCode != null) {
+                if (isFileTypeOrListOfFiles(statusCode)) {
+                    fileTypeFound = true;
+                }
+
+                if (statusCode.getClass().equals(java.io.File.class)
+                        || statusCode.getClass().equals(Integer.class)
+                        || statusCode.getClass().equals(String.class)
+                        || statusCode.getClass().isEnum()) {
+                    map.put("status_code", statusCode);
+                } else if (isListOfFile(statusCode)) {
+                    for (int i = 0; i < getListSize(statusCode); i++) {
+                        map.put("status_code[" + i + "]", getFromList(statusCode, i));
+                    }
+                } else {
+                    map.put(
+                            "status_code",
+                            JSON.getDefault().getMapper().writeValueAsString(statusCode));
+                }
+            }
+            if (sentAt != null) {
+                if (isFileTypeOrListOfFiles(sentAt)) {
+                    fileTypeFound = true;
+                }
+
+                if (sentAt.getClass().equals(java.io.File.class)
+                        || sentAt.getClass().equals(Integer.class)
+                        || sentAt.getClass().equals(String.class)
+                        || sentAt.getClass().isEnum()) {
+                    map.put("sent_at", sentAt);
+                } else if (isListOfFile(sentAt)) {
+                    for (int i = 0; i < getListSize(sentAt); i++) {
+                        map.put("sent_at[" + i + "]", getFromList(sentAt, i));
+                    }
+                } else {
+                    map.put("sent_at", JSON.getDefault().getMapper().writeValueAsString(sentAt));
+                }
+            }
+        } catch (Exception e) {
+            throw new ApiException(e);
+        }
+
+        return fileTypeFound ? map : new HashMap<>();
+    }
+
+    private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+        return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+    }
+
+    private boolean isListOfFile(Object obj) throws Exception {
+        return obj instanceof java.util.List
+                && !isListEmpty(obj)
+                && getFromList(obj, 0) instanceof java.io.File;
+    }
+
+    private boolean isListEmpty(Object obj) throws Exception {
+        return (boolean)
+                Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+    }
+
+    private Object getFromList(Object obj, int index) throws Exception {
+        return Class.forName(java.util.List.class.getName())
+                .getMethod("get", int.class)
+                .invoke(obj, index);
+    }
+
+    private int getListSize(Object obj) throws Exception {
+        return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces (except the first
+     * line).
+     */
+    private String toIndentedString(Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+}
diff --git a/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxSendRequest.java b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxSendRequest.java
new file mode 100644
index 000000000..571ba92f8
--- /dev/null
+++ b/sdks/java-v1/src/main/java/com/dropbox/sign/model/FaxSendRequest.java
@@ -0,0 +1,576 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.dropbox.sign.model;
+
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+/** FaxSendRequest */
+@JsonPropertyOrder({
+    FaxSendRequest.JSON_PROPERTY_RECIPIENT,
+    FaxSendRequest.JSON_PROPERTY_SENDER,
+    FaxSendRequest.JSON_PROPERTY_FILES,
+    FaxSendRequest.JSON_PROPERTY_FILE_URLS,
+    FaxSendRequest.JSON_PROPERTY_TEST_MODE,
+    FaxSendRequest.JSON_PROPERTY_COVER_PAGE_TO,
+    FaxSendRequest.JSON_PROPERTY_COVER_PAGE_FROM,
+    FaxSendRequest.JSON_PROPERTY_COVER_PAGE_MESSAGE,
+    FaxSendRequest.JSON_PROPERTY_TITLE
+})
+@javax.annotation.Generated(
+        value = "org.openapitools.codegen.languages.JavaClientCodegen",
+        comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class FaxSendRequest {
+    public static final String JSON_PROPERTY_RECIPIENT = "recipient";
+    private String recipient;
+
+    public static final String JSON_PROPERTY_SENDER = "sender";
+    private String sender;
+
+    public static final String JSON_PROPERTY_FILES = "files";
+    private List<File> files = null;
+
+    public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
+    private List<String> fileUrls = null;
+
+    public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
+    private Boolean testMode = false;
+
+    public static final String JSON_PROPERTY_COVER_PAGE_TO = "cover_page_to";
+    private String coverPageTo;
+
+    public static final String JSON_PROPERTY_COVER_PAGE_FROM = "cover_page_from";
+    private String coverPageFrom;
+
+    public static final String JSON_PROPERTY_COVER_PAGE_MESSAGE = "cover_page_message";
+    private String coverPageMessage;
+
+    public static final String JSON_PROPERTY_TITLE = "title";
+    private String title;
+
+    public FaxSendRequest() {}
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     *
+     * @param jsonData String of JSON data representing target object
+     */
+    public static FaxSendRequest init(String jsonData) throws Exception {
+        return new ObjectMapper().readValue(jsonData, FaxSendRequest.class);
+    }
+
+    public static FaxSendRequest init(HashMap data) throws Exception {
+        return new ObjectMapper()
+                .readValue(new ObjectMapper().writeValueAsString(data), FaxSendRequest.class);
+    }
+
+    public FaxSendRequest recipient(String recipient) {
+        this.recipient = recipient;
+        return this;
+    }
+
+    /**
+     * Fax Send To Recipient
+     *
+     * @return recipient
+     */
+    @javax.annotation.Nonnull
+    @JsonProperty(JSON_PROPERTY_RECIPIENT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public String getRecipient() {
+        return recipient;
+    }
+
+    @JsonProperty(JSON_PROPERTY_RECIPIENT)
+    @JsonInclude(value = JsonInclude.Include.ALWAYS)
+    public void setRecipient(String recipient) {
+        this.recipient = recipient;
+    }
+
+    public FaxSendRequest sender(String sender) {
+        this.sender = sender;
+        return this;
+    }
+
+    /**
+     * Fax Send From Sender (used only with fax number)
+     *
+     * @return sender
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_SENDER)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public String getSender() {
+        return sender;
+    }
+
+    @JsonProperty(JSON_PROPERTY_SENDER)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setSender(String sender) {
+        this.sender = sender;
+    }
+
+    public FaxSendRequest files(List<File> files) {
+        this.files = files;
+        return this;
+    }
+
+    public FaxSendRequest addFilesItem(File filesItem) {
+        if (this.files == null) {
+            this.files = new ArrayList<>();
+        }
+        this.files.add(filesItem);
+        return this;
+    }
+
+    /**
+     * Fax File to Send
+     *
+     * @return files
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_FILES)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public List<File> getFiles() {
+        return files;
+    }
+
+    @JsonProperty(JSON_PROPERTY_FILES)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setFiles(List<File> files) {
+        this.files = files;
+    }
+
+    public FaxSendRequest fileUrls(List<String> fileUrls) {
+        this.fileUrls = fileUrls;
+        return this;
+    }
+
+    public FaxSendRequest addFileUrlsItem(String fileUrlsItem) {
+        if (this.fileUrls == null) {
+            this.fileUrls = new ArrayList<>();
+        }
+        this.fileUrls.add(fileUrlsItem);
+        return this;
+    }
+
+    /**
+     * Fax File URL to Send
+     *
+     * @return fileUrls
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_FILE_URLS)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public List<String> getFileUrls() {
+        return fileUrls;
+    }
+
+    @JsonProperty(JSON_PROPERTY_FILE_URLS)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setFileUrls(List<String> fileUrls) {
+        this.fileUrls = fileUrls;
+    }
+
+    public FaxSendRequest testMode(Boolean testMode) {
+        this.testMode = testMode;
+        return this;
+    }
+
+    /**
+     * API Test Mode Setting
+     *
+     * @return testMode
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_TEST_MODE)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public Boolean getTestMode() {
+        return testMode;
+    }
+
+    @JsonProperty(JSON_PROPERTY_TEST_MODE)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setTestMode(Boolean testMode) {
+        this.testMode = testMode;
+    }
+
+    public FaxSendRequest coverPageTo(String coverPageTo) {
+        this.coverPageTo = coverPageTo;
+        return this;
+    }
+
+    /**
+     * Fax Cover Page for Recipient
+     *
+     * @return coverPageTo
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_COVER_PAGE_TO)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public String getCoverPageTo() {
+        return coverPageTo;
+    }
+
+    @JsonProperty(JSON_PROPERTY_COVER_PAGE_TO)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setCoverPageTo(String coverPageTo) {
+        this.coverPageTo = coverPageTo;
+    }
+
+    public FaxSendRequest coverPageFrom(String coverPageFrom) {
+        this.coverPageFrom = coverPageFrom;
+        return this;
+    }
+
+    /**
+     * Fax Cover Page for Sender
+     *
+     * @return coverPageFrom
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_COVER_PAGE_FROM)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public String getCoverPageFrom() {
+        return coverPageFrom;
+    }
+
+    @JsonProperty(JSON_PROPERTY_COVER_PAGE_FROM)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setCoverPageFrom(String coverPageFrom) {
+        this.coverPageFrom = coverPageFrom;
+    }
+
+    public FaxSendRequest coverPageMessage(String coverPageMessage) {
+        this.coverPageMessage = coverPageMessage;
+        return this;
+    }
+
+    /**
+     * Fax Cover Page Message
+     *
+     * @return coverPageMessage
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_COVER_PAGE_MESSAGE)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public String getCoverPageMessage() {
+        return coverPageMessage;
+    }
+
+    @JsonProperty(JSON_PROPERTY_COVER_PAGE_MESSAGE)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setCoverPageMessage(String coverPageMessage) {
+        this.coverPageMessage = coverPageMessage;
+    }
+
+    public FaxSendRequest title(String title) {
+        this.title = title;
+        return this;
+    }
+
+    /**
+     * Fax Title
+     *
+     * @return title
+     */
+    @javax.annotation.Nullable @JsonProperty(JSON_PROPERTY_TITLE)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public String getTitle() {
+        return title;
+    }
+
+    @JsonProperty(JSON_PROPERTY_TITLE)
+    @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    /** Return true if this FaxSendRequest object is equal to o. */
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        FaxSendRequest faxSendRequest = (FaxSendRequest) o;
+        return Objects.equals(this.recipient, faxSendRequest.recipient)
+                && Objects.equals(this.sender, faxSendRequest.sender)
+                && Objects.equals(this.files, faxSendRequest.files)
+                && Objects.equals(this.fileUrls, faxSendRequest.fileUrls)
+                && Objects.equals(this.testMode, faxSendRequest.testMode)
+                && Objects.equals(this.coverPageTo, faxSendRequest.coverPageTo)
+                && Objects.equals(this.coverPageFrom, faxSendRequest.coverPageFrom)
+                && Objects.equals(this.coverPageMessage, faxSendRequest.coverPageMessage)
+                && Objects.equals(this.title, faxSendRequest.title);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(
+                recipient,
+                sender,
+                files,
+                fileUrls,
+                testMode,
+                coverPageTo,
+                coverPageFrom,
+                coverPageMessage,
+                title);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class FaxSendRequest {\n");
+        sb.append("    recipient: ").append(toIndentedString(recipient)).append("\n");
+        sb.append("    sender: ").append(toIndentedString(sender)).append("\n");
+        sb.append("    files: ").append(toIndentedString(files)).append("\n");
+        sb.append("    fileUrls: ").append(toIndentedString(fileUrls)).append("\n");
+        sb.append("    testMode: ").append(toIndentedString(testMode)).append("\n");
+        sb.append("    coverPageTo: ").append(toIndentedString(coverPageTo)).append("\n");
+        sb.append("    coverPageFrom: ").append(toIndentedString(coverPageFrom)).append("\n");
+        sb.append("    coverPageMessage: ").append(toIndentedString(coverPageMessage)).append("\n");
+        sb.append("    title: ").append(toIndentedString(title)).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+
+    public Map<String, Object> createFormData() throws ApiException {
+        Map<String, Object> map = new HashMap<>();
+        boolean fileTypeFound = false;
+        try {
+            if (recipient != null) {
+                if (isFileTypeOrListOfFiles(recipient)) {
+                    fileTypeFound = true;
+                }
+
+                if (recipient.getClass().equals(java.io.File.class)
+                        || recipient.getClass().equals(Integer.class)
+                        || recipient.getClass().equals(String.class)
+                        || recipient.getClass().isEnum()) {
+                    map.put("recipient", recipient);
+                } else if (isListOfFile(recipient)) {
+                    for (int i = 0; i < getListSize(recipient); i++) {
+                        map.put("recipient[" + i + "]", getFromList(recipient, i));
+                    }
+                } else {
+                    map.put(
+                            "recipient",
+                            JSON.getDefault().getMapper().writeValueAsString(recipient));
+                }
+            }
+            if (sender != null) {
+                if (isFileTypeOrListOfFiles(sender)) {
+                    fileTypeFound = true;
+                }
+
+                if (sender.getClass().equals(java.io.File.class)
+                        || sender.getClass().equals(Integer.class)
+                        || sender.getClass().equals(String.class)
+                        || sender.getClass().isEnum()) {
+                    map.put("sender", sender);
+                } else if (isListOfFile(sender)) {
+                    for (int i = 0; i < getListSize(sender); i++) {
+                        map.put("sender[" + i + "]", getFromList(sender, i));
+                    }
+                } else {
+                    map.put("sender", JSON.getDefault().getMapper().writeValueAsString(sender));
+                }
+            }
+            if (files != null) {
+                if (isFileTypeOrListOfFiles(files)) {
+                    fileTypeFound = true;
+                }
+
+                if (files.getClass().equals(java.io.File.class)
+                        || files.getClass().equals(Integer.class)
+                        || files.getClass().equals(String.class)
+                        || files.getClass().isEnum()) {
+                    map.put("files", files);
+                } else if (isListOfFile(files)) {
+                    for (int i = 0; i < getListSize(files); i++) {
+                        map.put("files[" + i + "]", getFromList(files, i));
+                    }
+                } else {
+                    map.put("files", JSON.getDefault().getMapper().writeValueAsString(files));
+                }
+            }
+            if (fileUrls != null) {
+                if (isFileTypeOrListOfFiles(fileUrls)) {
+                    fileTypeFound = true;
+                }
+
+                if (fileUrls.getClass().equals(java.io.File.class)
+                        || fileUrls.getClass().equals(Integer.class)
+                        || fileUrls.getClass().equals(String.class)
+                        || fileUrls.getClass().isEnum()) {
+                    map.put("file_urls", fileUrls);
+                } else if (isListOfFile(fileUrls)) {
+                    for (int i = 0; i < getListSize(fileUrls); i++) {
+                        map.put("file_urls[" + i + "]", getFromList(fileUrls, i));
+                    }
+                } else {
+                    map.put(
+                            "file_urls",
+                            JSON.getDefault().getMapper().writeValueAsString(fileUrls));
+                }
+            }
+            if (testMode != null) {
+                if (isFileTypeOrListOfFiles(testMode)) {
+                    fileTypeFound = true;
+                }
+
+                if (testMode.getClass().equals(java.io.File.class)
+                        || testMode.getClass().equals(Integer.class)
+                        || testMode.getClass().equals(String.class)
+                        || testMode.getClass().isEnum()) {
+                    map.put("test_mode", testMode);
+                } else if (isListOfFile(testMode)) {
+                    for (int i = 0; i < getListSize(testMode); i++) {
+                        map.put("test_mode[" + i + "]", getFromList(testMode, i));
+                    }
+                } else {
+                    map.put(
+                            "test_mode",
+                            JSON.getDefault().getMapper().writeValueAsString(testMode));
+                }
+            }
+            if (coverPageTo != null) {
+                if (isFileTypeOrListOfFiles(coverPageTo)) {
+                    fileTypeFound = true;
+                }
+
+                if (coverPageTo.getClass().equals(java.io.File.class)
+                        || coverPageTo.getClass().equals(Integer.class)
+                        || coverPageTo.getClass().equals(String.class)
+                        || coverPageTo.getClass().isEnum()) {
+                    map.put("cover_page_to", coverPageTo);
+                } else if (isListOfFile(coverPageTo)) {
+                    for (int i = 0; i < getListSize(coverPageTo); i++) {
+                        map.put("cover_page_to[" + i + "]", getFromList(coverPageTo, i));
+                    }
+                } else {
+                    map.put(
+                            "cover_page_to",
+                            JSON.getDefault().getMapper().writeValueAsString(coverPageTo));
+                }
+            }
+            if (coverPageFrom != null) {
+                if (isFileTypeOrListOfFiles(coverPageFrom)) {
+                    fileTypeFound = true;
+                }
+
+                if (coverPageFrom.getClass().equals(java.io.File.class)
+                        || coverPageFrom.getClass().equals(Integer.class)
+                        || coverPageFrom.getClass().equals(String.class)
+                        || coverPageFrom.getClass().isEnum()) {
+                    map.put("cover_page_from", coverPageFrom);
+                } else if (isListOfFile(coverPageFrom)) {
+                    for (int i = 0; i < getListSize(coverPageFrom); i++) {
+                        map.put("cover_page_from[" + i + "]", getFromList(coverPageFrom, i));
+                    }
+                } else {
+                    map.put(
+                            "cover_page_from",
+                            JSON.getDefault().getMapper().writeValueAsString(coverPageFrom));
+                }
+            }
+            if (coverPageMessage != null) {
+                if (isFileTypeOrListOfFiles(coverPageMessage)) {
+                    fileTypeFound = true;
+                }
+
+                if (coverPageMessage.getClass().equals(java.io.File.class)
+                        || coverPageMessage.getClass().equals(Integer.class)
+                        || coverPageMessage.getClass().equals(String.class)
+                        || coverPageMessage.getClass().isEnum()) {
+                    map.put("cover_page_message", coverPageMessage);
+                } else if (isListOfFile(coverPageMessage)) {
+                    for (int i = 0; i < getListSize(coverPageMessage); i++) {
+                        map.put("cover_page_message[" + i + "]", getFromList(coverPageMessage, i));
+                    }
+                } else {
+                    map.put(
+                            "cover_page_message",
+                            JSON.getDefault().getMapper().writeValueAsString(coverPageMessage));
+                }
+            }
+            if (title != null) {
+                if (isFileTypeOrListOfFiles(title)) {
+                    fileTypeFound = true;
+                }
+
+                if (title.getClass().equals(java.io.File.class)
+                        || title.getClass().equals(Integer.class)
+                        || title.getClass().equals(String.class)
+                        || title.getClass().isEnum()) {
+                    map.put("title", title);
+                } else if (isListOfFile(title)) {
+                    for (int i = 0; i < getListSize(title); i++) {
+                        map.put("title[" + i + "]", getFromList(title, i));
+                    }
+                } else {
+                    map.put("title", JSON.getDefault().getMapper().writeValueAsString(title));
+                }
+            }
+        } catch (Exception e) {
+            throw new ApiException(e);
+        }
+
+        return fileTypeFound ? map : new HashMap<>();
+    }
+
+    private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+        return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+    }
+
+    private boolean isListOfFile(Object obj) throws Exception {
+        return obj instanceof java.util.List
+                && !isListEmpty(obj)
+                && getFromList(obj, 0) instanceof java.io.File;
+    }
+
+    private boolean isListEmpty(Object obj) throws Exception {
+        return (boolean)
+                Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+    }
+
+    private Object getFromList(Object obj, int index) throws Exception {
+        return Class.forName(java.util.List.class.getName())
+                .getMethod("get", int.class)
+                .invoke(obj, index);
+    }
+
+    private int getListSize(Object obj) throws Exception {
+        return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces (except the first
+     * line).
+     */
+    private String toIndentedString(Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+}
diff --git a/sdks/java-v2/README.md b/sdks/java-v2/README.md
index 75edf1dcb..ea6944786 100644
--- a/sdks/java-v2/README.md
+++ b/sdks/java-v2/README.md
@@ -153,6 +153,11 @@ Class | Method | HTTP request | Description
 *BulkSendJobApi* | [**bulkSendJobList**](docs/BulkSendJobApi.md#bulkSendJobList) | **GET** /bulk_send_job/list | List Bulk Send Jobs
 *EmbeddedApi* | [**embeddedEditUrl**](docs/EmbeddedApi.md#embeddedEditUrl) | **POST** /embedded/edit_url/{template_id} | Get Embedded Template Edit URL
 *EmbeddedApi* | [**embeddedSignUrl**](docs/EmbeddedApi.md#embeddedSignUrl) | **GET** /embedded/sign_url/{signature_id} | Get Embedded Sign URL
+*FaxApi* | [**faxDelete**](docs/FaxApi.md#faxDelete) | **DELETE** /fax/{fax_id} | Delete Fax
+*FaxApi* | [**faxFiles**](docs/FaxApi.md#faxFiles) | **GET** /fax/files/{fax_id} | List Fax Files
+*FaxApi* | [**faxGet**](docs/FaxApi.md#faxGet) | **GET** /fax/{fax_id} | Get Fax
+*FaxApi* | [**faxList**](docs/FaxApi.md#faxList) | **GET** /fax/list | Lists Faxes
+*FaxApi* | [**faxSend**](docs/FaxApi.md#faxSend) | **POST** /fax/send | Send Fax
 *FaxLineApi* | [**faxLineAddUser**](docs/FaxLineApi.md#faxLineAddUser) | **PUT** /fax_line/add_user | Add Fax Line User
 *FaxLineApi* | [**faxLineAreaCodeGet**](docs/FaxLineApi.md#faxLineAreaCodeGet) | **GET** /fax_line/area_codes | Get Available Fax Line Area Codes
 *FaxLineApi* | [**faxLineCreate**](docs/FaxLineApi.md#faxLineCreate) | **POST** /fax_line/create | Purchase Fax Line
@@ -242,6 +247,7 @@ Class | Method | HTTP request | Description
  - [EventCallbackRequest](docs/EventCallbackRequest.md)
  - [EventCallbackRequestEvent](docs/EventCallbackRequestEvent.md)
  - [EventCallbackRequestEventMetadata](docs/EventCallbackRequestEventMetadata.md)
+ - [FaxGetResponse](docs/FaxGetResponse.md)
  - [FaxLineAddUserRequest](docs/FaxLineAddUserRequest.md)
  - [FaxLineAreaCodeGetCountryEnum](docs/FaxLineAreaCodeGetCountryEnum.md)
  - [FaxLineAreaCodeGetProvinceEnum](docs/FaxLineAreaCodeGetProvinceEnum.md)
@@ -253,6 +259,10 @@ Class | Method | HTTP request | Description
  - [FaxLineRemoveUserRequest](docs/FaxLineRemoveUserRequest.md)
  - [FaxLineResponse](docs/FaxLineResponse.md)
  - [FaxLineResponseFaxLine](docs/FaxLineResponseFaxLine.md)
+ - [FaxListResponse](docs/FaxListResponse.md)
+ - [FaxResponse](docs/FaxResponse.md)
+ - [FaxResponseTransmission](docs/FaxResponseTransmission.md)
+ - [FaxSendRequest](docs/FaxSendRequest.md)
  - [FileResponse](docs/FileResponse.md)
  - [FileResponseDataUri](docs/FileResponseDataUri.md)
  - [ListInfoResponse](docs/ListInfoResponse.md)
diff --git a/sdks/java-v2/docs/FaxApi.md b/sdks/java-v2/docs/FaxApi.md
new file mode 100644
index 000000000..a3d9baef9
--- /dev/null
+++ b/sdks/java-v2/docs/FaxApi.md
@@ -0,0 +1,364 @@
+# FaxApi
+
+All URIs are relative to *https://api.hellosign.com/v3*
+
+| Method | HTTP request | Description |
+|------------- | ------------- | -------------|
+[**faxDelete**](FaxApi.md#faxDelete) | **DELETE** /fax/{fax_id} | Delete Fax
+[**faxFiles**](FaxApi.md#faxFiles) | **GET** /fax/files/{fax_id} | List Fax Files
+[**faxGet**](FaxApi.md#faxGet) | **GET** /fax/{fax_id} | Get Fax
+[**faxList**](FaxApi.md#faxList) | **GET** /fax/list | Lists Faxes
+[**faxSend**](FaxApi.md#faxSend) | **POST** /fax/send | Send Fax
+
+
+
+## faxDelete
+
+> faxDelete(faxId)
+
+Delete Fax
+
+Deletes the specified Fax from the system.
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.util.List;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        try {
+            faxApi.faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxId** | **String**| Fax ID |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **204** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxFiles
+
+> File faxFiles(faxId)
+
+List Fax Files
+
+Returns list of fax files
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.io.File;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try {
+            File result = faxApi.faxFiles(faxId);
+            result.renameTo(new File("file_response.pdf"));;
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxId** | **String**| Fax ID |
+
+### Return type
+
+[**File**](File.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/pdf, application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxGet
+
+> FaxGetResponse faxGet(faxId)
+
+Get Fax
+
+Returns information about fax
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+        try {
+            FaxGetResponse result = faxApi.faxGet(faxId);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling AccountApi#accountCreate");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxId** | **String**| Fax ID |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxList
+
+> FaxListResponse faxList(page, pageSize)
+
+Lists Faxes
+
+Returns properties of multiple faxes
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+        var page = 1;
+        var pageSize = 2;
+
+        try {
+            FaxListResponse result = faxApi.faxList(page, pageSize);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling AccountApi#accountCreate");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **page** | **Integer**| Page | [optional] [default to 1]
+ **pageSize** | **Integer**| Page size | [optional] [default to 20]
+
+### Return type
+
+[**FaxListResponse**](FaxListResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
+
+## faxSend
+
+> FaxGetResponse faxSend(faxSendRequest)
+
+Send Fax
+
+Action to prepare and send a fax
+
+### Example
+
+```java
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.api.*;
+import com.dropbox.sign.auth.*;
+import com.dropbox.sign.model.*;
+
+import java.util.List;
+
+public class Example {
+    public static void main(String[] args) {
+        var apiClient = Configuration.getDefaultApiClient()
+            .setApiKey("YOUR_API_KEY");
+
+        var faxApi = new FaxApi(apiClient);
+
+
+        var data = new FaxSendRequest()
+            .addFilesItem(new File("example_fax.pdf"))
+            .testMode(true)
+            .recipient("16690000001")
+            .sender("16690000000")
+            .coverPageTo("Jill Fax")
+            .coverPageMessage("I'm sending you a fax!")
+            .coverPageFrom("Faxer Faxerson")
+            .title("This is what the fax is about!");
+
+        try {
+            FaxCreateResponse result = faxApi.faxSend(data);
+            System.out.println(result);
+        } catch (ApiException e) {
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+ **faxSendRequest** | [**FaxSendRequest**](FaxSendRequest.md)|  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: application/json, multipart/form-data
+- **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+| **4XX** | failed_operation |  -  |
+
diff --git a/sdks/java-v2/docs/FaxGetResponse.md b/sdks/java-v2/docs/FaxGetResponse.md
new file mode 100644
index 000000000..cc9dc6e57
--- /dev/null
+++ b/sdks/java-v2/docs/FaxGetResponse.md
@@ -0,0 +1,15 @@
+
+
+# FaxGetResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `fax`<sup>*_required_</sup> | [```FaxResponse```](FaxResponse.md) |    |  |
+| `warnings` | [```List<WarningResponse>```](WarningResponse.md) |  A list of warnings.  |  |
+
+
+
diff --git a/sdks/java-v2/docs/FaxListResponse.md b/sdks/java-v2/docs/FaxListResponse.md
new file mode 100644
index 000000000..f25379a27
--- /dev/null
+++ b/sdks/java-v2/docs/FaxListResponse.md
@@ -0,0 +1,15 @@
+
+
+# FaxListResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `faxes`<sup>*_required_</sup> | [```List<FaxResponse>```](FaxResponse.md) |    |  |
+| `listInfo`<sup>*_required_</sup> | [```ListInfoResponse```](ListInfoResponse.md) |    |  |
+
+
+
diff --git a/sdks/java-v2/docs/FaxResponse.md b/sdks/java-v2/docs/FaxResponse.md
new file mode 100644
index 000000000..77ec7eb10
--- /dev/null
+++ b/sdks/java-v2/docs/FaxResponse.md
@@ -0,0 +1,23 @@
+
+
+# FaxResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `faxId`<sup>*_required_</sup> | ```String``` |  Fax ID  |  |
+| `title`<sup>*_required_</sup> | ```String``` |  Fax Title  |  |
+| `originalTitle`<sup>*_required_</sup> | ```String``` |  Fax Original Title  |  |
+| `subject`<sup>*_required_</sup> | ```String``` |  Fax Subject  |  |
+| `message`<sup>*_required_</sup> | ```String``` |  Fax Message  |  |
+| `metadata`<sup>*_required_</sup> | ```Map<String, Object>``` |  Fax Metadata  |  |
+| `createdAt`<sup>*_required_</sup> | ```Integer``` |  Fax Created At Timestamp  |  |
+| `sender`<sup>*_required_</sup> | ```String``` |  Fax Sender Email  |  |
+| `transmissions`<sup>*_required_</sup> | [```List<FaxResponseTransmission>```](FaxResponseTransmission.md) |  Fax Transmissions List  |  |
+| `filesUrl`<sup>*_required_</sup> | ```String``` |  Fax Files URL  |  |
+
+
+
diff --git a/sdks/java-v2/docs/FaxResponseTransmission.md b/sdks/java-v2/docs/FaxResponseTransmission.md
new file mode 100644
index 000000000..09db223e9
--- /dev/null
+++ b/sdks/java-v2/docs/FaxResponseTransmission.md
@@ -0,0 +1,32 @@
+
+
+# FaxResponseTransmission
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `recipient`<sup>*_required_</sup> | ```String``` |  Fax Transmission Recipient  |  |
+| `sender`<sup>*_required_</sup> | ```String``` |  Fax Transmission Sender  |  |
+| `statusCode`<sup>*_required_</sup> | [```StatusCodeEnum```](#StatusCodeEnum) |  Fax Transmission Status Code  |  |
+| `sentAt` | ```Integer``` |  Fax Transmission Sent Timestamp  |  |
+
+
+
+## Enum: StatusCodeEnum
+
+| Name | Value |
+---- | -----
+| SUCCESS | &quot;success&quot; |
+| TRANSMITTING | &quot;transmitting&quot; |
+| ERROR_COULD_NOT_FAX | &quot;error_could_not_fax&quot; |
+| ERROR_UNKNOWN | &quot;error_unknown&quot; |
+| ERROR_BUSY | &quot;error_busy&quot; |
+| ERROR_NO_ANSWER | &quot;error_no_answer&quot; |
+| ERROR_DISCONNECTED | &quot;error_disconnected&quot; |
+| ERROR_BAD_DESTINATION | &quot;error_bad_destination&quot; |
+
+
+
diff --git a/sdks/java-v2/docs/FaxSendRequest.md b/sdks/java-v2/docs/FaxSendRequest.md
new file mode 100644
index 000000000..5b939a0af
--- /dev/null
+++ b/sdks/java-v2/docs/FaxSendRequest.md
@@ -0,0 +1,22 @@
+
+
+# FaxSendRequest
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+| `recipient`<sup>*_required_</sup> | ```String``` |  Fax Send To Recipient  |  |
+| `sender` | ```String``` |  Fax Send From Sender (used only with fax number)  |  |
+| `files` | ```List<File>``` |  Fax File to Send  |  |
+| `fileUrls` | ```List<String>``` |  Fax File URL to Send  |  |
+| `testMode` | ```Boolean``` |  API Test Mode Setting  |  |
+| `coverPageTo` | ```String``` |  Fax Cover Page for Recipient  |  |
+| `coverPageFrom` | ```String``` |  Fax Cover Page for Sender  |  |
+| `coverPageMessage` | ```String``` |  Fax Cover Page Message  |  |
+| `title` | ```String``` |  Fax Title  |  |
+
+
+
diff --git a/sdks/java-v2/src/main/java/com/dropbox/sign/api/FaxApi.java b/sdks/java-v2/src/main/java/com/dropbox/sign/api/FaxApi.java
new file mode 100644
index 000000000..e010c8323
--- /dev/null
+++ b/sdks/java-v2/src/main/java/com/dropbox/sign/api/FaxApi.java
@@ -0,0 +1,416 @@
+package com.dropbox.sign.api;
+
+import com.dropbox.sign.ApiException;
+import com.dropbox.sign.ApiClient;
+import com.dropbox.sign.ApiResponse;
+import com.dropbox.sign.Configuration;
+import com.dropbox.sign.Pair;
+
+import jakarta.ws.rs.core.GenericType;
+
+import com.dropbox.sign.model.ErrorResponse;
+import com.dropbox.sign.model.FaxGetResponse;
+import com.dropbox.sign.model.FaxListResponse;
+import com.dropbox.sign.model.FaxSendRequest;
+import java.io.File;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.8.0")
+public class FaxApi {
+  private ApiClient apiClient;
+
+  public FaxApi() {
+    this(Configuration.getDefaultApiClient());
+  }
+
+  public FaxApi(ApiClient apiClient) {
+    this.apiClient = apiClient;
+  }
+
+  /**
+   * Get the API client
+   *
+   * @return API client
+   */
+  public ApiClient getApiClient() {
+    return apiClient;
+  }
+
+  /**
+   * Set the API client
+   *
+   * @param apiClient an instance of API client
+   */
+  public void setApiClient(ApiClient apiClient) {
+    this.apiClient = apiClient;
+  }
+
+  /**
+   * Delete Fax.
+   * Deletes the specified Fax from the system.
+   * @param faxId Fax ID (required)
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public void faxDelete(String faxId) throws ApiException {
+    faxDeleteWithHttpInfo(faxId);
+  }
+
+
+  /**
+   * Delete Fax.
+   * Deletes the specified Fax from the system.
+   * @param faxId Fax ID (required)
+   * @return ApiResponse&lt;Void&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 204 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<Void> faxDeleteWithHttpInfo(String faxId) throws ApiException {
+    
+    // Check required parameters
+    if (faxId == null) {
+      throw new ApiException(400, "Missing the required parameter 'faxId' when calling faxDelete");
+    }
+
+    // Path parameters
+    String localVarPath = "/fax/{fax_id}"
+            .replaceAll("\\{fax_id}", apiClient.escapeString(faxId.toString()));
+
+    String localVarAccept = apiClient.selectHeaderAccept("application/json");
+    Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+    localVarFormParams = new HashMap<String, Object>();
+    boolean isFileTypeFound = !localVarFormParams.isEmpty();
+    String localVarContentType = isFileTypeFound? "multipart/form-data" : apiClient.selectHeaderContentType();
+    String[] localVarAuthNames = new String[] {"api_key"};
+    return apiClient.invokeAPI(
+        "FaxApi.faxDelete",
+        localVarPath,
+        "DELETE",
+        new ArrayList<>(),
+        null,
+        new LinkedHashMap<>(),
+        new LinkedHashMap<>(),
+        localVarFormParams,
+        localVarAccept,
+        localVarContentType,
+        localVarAuthNames,
+        null,
+        false
+    );
+  }
+  /**
+   * List Fax Files.
+   * Returns list of fax files
+   * @param faxId Fax ID (required)
+   * @return File
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public File faxFiles(String faxId) throws ApiException {
+    return faxFilesWithHttpInfo(faxId).getData();
+  }
+
+
+  /**
+   * List Fax Files.
+   * Returns list of fax files
+   * @param faxId Fax ID (required)
+   * @return ApiResponse&lt;File&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<File> faxFilesWithHttpInfo(String faxId) throws ApiException {
+    
+    // Check required parameters
+    if (faxId == null) {
+      throw new ApiException(400, "Missing the required parameter 'faxId' when calling faxFiles");
+    }
+
+    // Path parameters
+    String localVarPath = "/fax/files/{fax_id}"
+            .replaceAll("\\{fax_id}", apiClient.escapeString(faxId.toString()));
+
+    String localVarAccept = apiClient.selectHeaderAccept("application/pdf", "application/json");
+    Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+    localVarFormParams = new HashMap<String, Object>();
+    boolean isFileTypeFound = !localVarFormParams.isEmpty();
+    String localVarContentType = isFileTypeFound? "multipart/form-data" : apiClient.selectHeaderContentType();
+    String[] localVarAuthNames = new String[] {"api_key"};
+    GenericType<File> localVarReturnType = new GenericType<File>() {};
+    return apiClient.invokeAPI(
+        "FaxApi.faxFiles",
+        localVarPath,
+        "GET",
+        new ArrayList<>(),
+        null,
+        new LinkedHashMap<>(),
+        new LinkedHashMap<>(),
+        localVarFormParams,
+        localVarAccept,
+        localVarContentType,
+        localVarAuthNames,
+        localVarReturnType,
+        false
+    );
+  }
+  /**
+   * Get Fax.
+   * Returns information about fax
+   * @param faxId Fax ID (required)
+   * @return FaxGetResponse
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public FaxGetResponse faxGet(String faxId) throws ApiException {
+    return faxGetWithHttpInfo(faxId).getData();
+  }
+
+
+  /**
+   * Get Fax.
+   * Returns information about fax
+   * @param faxId Fax ID (required)
+   * @return ApiResponse&lt;FaxGetResponse&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<FaxGetResponse> faxGetWithHttpInfo(String faxId) throws ApiException {
+    
+    // Check required parameters
+    if (faxId == null) {
+      throw new ApiException(400, "Missing the required parameter 'faxId' when calling faxGet");
+    }
+
+    // Path parameters
+    String localVarPath = "/fax/{fax_id}"
+            .replaceAll("\\{fax_id}", apiClient.escapeString(faxId.toString()));
+
+    String localVarAccept = apiClient.selectHeaderAccept("application/json");
+    Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+    localVarFormParams = new HashMap<String, Object>();
+    boolean isFileTypeFound = !localVarFormParams.isEmpty();
+    String localVarContentType = isFileTypeFound? "multipart/form-data" : apiClient.selectHeaderContentType();
+    String[] localVarAuthNames = new String[] {"api_key"};
+    GenericType<FaxGetResponse> localVarReturnType = new GenericType<FaxGetResponse>() {};
+    return apiClient.invokeAPI(
+        "FaxApi.faxGet",
+        localVarPath,
+        "GET",
+        new ArrayList<>(),
+        null,
+        new LinkedHashMap<>(),
+        new LinkedHashMap<>(),
+        localVarFormParams,
+        localVarAccept,
+        localVarContentType,
+        localVarAuthNames,
+        localVarReturnType,
+        false
+    );
+  }
+  /**
+   * Lists Faxes.
+   * Returns properties of multiple faxes
+   * @param page Page (optional, default to 1)
+   * @param pageSize Page size (optional, default to 20)
+   * @return FaxListResponse
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public FaxListResponse faxList(Integer page, Integer pageSize) throws ApiException {
+    return faxListWithHttpInfo(page, pageSize).getData();
+  }
+
+
+  /**
+   * @see FaxApi#faxList(Integer, Integer)
+   */
+  public FaxListResponse faxList() throws ApiException {
+    Integer page = 1;
+    Integer pageSize = 20;
+
+    return faxListWithHttpInfo(page, pageSize).getData();
+  }
+
+  /**
+   * @see FaxApi#faxListWithHttpInfo(Integer, Integer)
+   */
+  public ApiResponse<FaxListResponse> faxListWithHttpInfo() throws ApiException {
+    Integer page = 1;
+    Integer pageSize = 20;
+
+    return faxListWithHttpInfo(page, pageSize);
+  }
+
+  /**
+   * @see FaxApi#faxList(Integer, Integer)
+   */
+  public FaxListResponse faxList(Integer page) throws ApiException {
+    Integer pageSize = 20;
+
+    return faxListWithHttpInfo(page, pageSize).getData();
+  }
+
+  /**
+   * @see FaxApi#faxListWithHttpInfo(Integer, Integer)
+   */
+  public ApiResponse<FaxListResponse> faxListWithHttpInfo(Integer page) throws ApiException {
+    Integer pageSize = 20;
+
+    return faxListWithHttpInfo(page, pageSize);
+  }
+
+
+  /**
+   * Lists Faxes.
+   * Returns properties of multiple faxes
+   * @param page Page (optional, default to 1)
+   * @param pageSize Page size (optional, default to 20)
+   * @return ApiResponse&lt;FaxListResponse&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<FaxListResponse> faxListWithHttpInfo(Integer page, Integer pageSize) throws ApiException {
+    
+    if (page == null) {
+        page = 1;
+    }
+    if (pageSize == null) {
+        pageSize = 20;
+    }
+    // Query parameters
+    List<Pair> localVarQueryParams = new ArrayList<>(
+            apiClient.parameterToPairs("", "page", page)
+    );
+    localVarQueryParams.addAll(apiClient.parameterToPairs("", "page_size", pageSize));
+
+    String localVarAccept = apiClient.selectHeaderAccept("application/json");
+    Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+    localVarFormParams = new HashMap<String, Object>();
+    boolean isFileTypeFound = !localVarFormParams.isEmpty();
+    String localVarContentType = isFileTypeFound? "multipart/form-data" : apiClient.selectHeaderContentType();
+    String[] localVarAuthNames = new String[] {"api_key"};
+    GenericType<FaxListResponse> localVarReturnType = new GenericType<FaxListResponse>() {};
+    return apiClient.invokeAPI(
+        "FaxApi.faxList",
+        "/fax/list",
+        "GET",
+        localVarQueryParams,
+        null,
+        new LinkedHashMap<>(),
+        new LinkedHashMap<>(),
+        localVarFormParams,
+        localVarAccept,
+        localVarContentType,
+        localVarAuthNames,
+        localVarReturnType,
+        false
+    );
+  }
+  /**
+   * Send Fax.
+   * Action to prepare and send a fax
+   * @param faxSendRequest  (required)
+   * @return FaxGetResponse
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public FaxGetResponse faxSend(FaxSendRequest faxSendRequest) throws ApiException {
+    return faxSendWithHttpInfo(faxSendRequest).getData();
+  }
+
+
+  /**
+   * Send Fax.
+   * Action to prepare and send a fax
+   * @param faxSendRequest  (required)
+   * @return ApiResponse&lt;FaxGetResponse&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+       <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+       <tr><td> 200 </td><td> successful operation </td><td>  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  </td></tr>
+       <tr><td> 4XX </td><td> failed_operation </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<FaxGetResponse> faxSendWithHttpInfo(FaxSendRequest faxSendRequest) throws ApiException {
+    
+    // Check required parameters
+    if (faxSendRequest == null) {
+      throw new ApiException(400, "Missing the required parameter 'faxSendRequest' when calling faxSend");
+    }
+
+    String localVarAccept = apiClient.selectHeaderAccept("application/json");
+    Map<String, Object> localVarFormParams = new LinkedHashMap<>();
+    localVarFormParams = faxSendRequest.createFormData();
+    boolean isFileTypeFound = !localVarFormParams.isEmpty();
+    String localVarContentType = isFileTypeFound? "multipart/form-data" : apiClient.selectHeaderContentType("application/json", "multipart/form-data");
+    String[] localVarAuthNames = new String[] {"api_key"};
+    GenericType<FaxGetResponse> localVarReturnType = new GenericType<FaxGetResponse>() {};
+    return apiClient.invokeAPI(
+        "FaxApi.faxSend",
+        "/fax/send",
+        "POST",
+        new ArrayList<>(),
+        isFileTypeFound ? null : faxSendRequest,
+        new LinkedHashMap<>(),
+        new LinkedHashMap<>(),
+        localVarFormParams,
+        localVarAccept,
+        localVarContentType,
+        localVarAuthNames,
+        localVarReturnType,
+        false
+    );
+  }
+}
\ No newline at end of file
diff --git a/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxGetResponse.java b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxGetResponse.java
new file mode 100644
index 000000000..7b08c8e76
--- /dev/null
+++ b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxGetResponse.java
@@ -0,0 +1,240 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package com.dropbox.sign.model;
+
+import java.util.Objects;
+import java.util.Map;
+import java.util.HashMap;
+import com.dropbox.sign.model.FaxResponse;
+import com.dropbox.sign.model.WarningResponse;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+
+import com.dropbox.sign.ApiException;
+/**
+ * FaxGetResponse
+ */
+@JsonPropertyOrder({
+  FaxGetResponse.JSON_PROPERTY_FAX,
+  FaxGetResponse.JSON_PROPERTY_WARNINGS
+})
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown=true)
+public class FaxGetResponse {
+  public static final String JSON_PROPERTY_FAX = "fax";
+  private FaxResponse fax;
+
+  public static final String JSON_PROPERTY_WARNINGS = "warnings";
+  private List<WarningResponse> warnings = null;
+
+  public FaxGetResponse() { 
+  }
+
+  /**
+   * Attempt to instantiate and hydrate a new instance of this class
+   * @param jsonData String of JSON data representing target object
+   */
+  static public FaxGetResponse init(String jsonData) throws Exception {
+    return new ObjectMapper().readValue(jsonData, FaxGetResponse.class);
+  }
+
+  static public FaxGetResponse init(HashMap data) throws Exception {
+    return new ObjectMapper().readValue(
+      new ObjectMapper().writeValueAsString(data),
+      FaxGetResponse.class
+    );
+  }
+
+  public FaxGetResponse fax(FaxResponse fax) {
+    this.fax = fax;
+    return this;
+  }
+
+  /**
+   * Get fax
+   * @return fax
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_FAX)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public FaxResponse getFax() {
+    return fax;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FAX)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setFax(FaxResponse fax) {
+    this.fax = fax;
+  }
+
+
+  public FaxGetResponse warnings(List<WarningResponse> warnings) {
+    this.warnings = warnings;
+    return this;
+  }
+
+  public FaxGetResponse addWarningsItem(WarningResponse warningsItem) {
+    if (this.warnings == null) {
+      this.warnings = new ArrayList<>();
+    }
+    this.warnings.add(warningsItem);
+    return this;
+  }
+
+  /**
+   * A list of warnings.
+   * @return warnings
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_WARNINGS)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public List<WarningResponse> getWarnings() {
+    return warnings;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_WARNINGS)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setWarnings(List<WarningResponse> warnings) {
+    this.warnings = warnings;
+  }
+
+
+  /**
+   * Return true if this FaxGetResponse object is equal to o.
+   */
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    FaxGetResponse faxGetResponse = (FaxGetResponse) o;
+    return Objects.equals(this.fax, faxGetResponse.fax) &&
+        Objects.equals(this.warnings, faxGetResponse.warnings);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(fax, warnings);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class FaxGetResponse {\n");
+    sb.append("    fax: ").append(toIndentedString(fax)).append("\n");
+    sb.append("    warnings: ").append(toIndentedString(warnings)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  public Map<String, Object> createFormData() throws ApiException {
+    Map<String, Object> map = new HashMap<>();
+    boolean fileTypeFound = false;
+    try {
+    if (fax != null) {
+        if (isFileTypeOrListOfFiles(fax)) {
+            fileTypeFound = true;
+        }
+
+        if (fax.getClass().equals(java.io.File.class) ||
+            fax.getClass().equals(Integer.class) ||
+            fax.getClass().equals(String.class) ||
+            fax.getClass().isEnum()) {
+            map.put("fax", fax);
+        } else if (isListOfFile(fax)) {
+            for(int i = 0; i< getListSize(fax); i++) {
+                map.put("fax[" + i + "]", getFromList(fax, i));
+            }
+        }
+        else {
+            map.put("fax", JSON.getDefault().getMapper().writeValueAsString(fax));
+        }
+    }
+    if (warnings != null) {
+        if (isFileTypeOrListOfFiles(warnings)) {
+            fileTypeFound = true;
+        }
+
+        if (warnings.getClass().equals(java.io.File.class) ||
+            warnings.getClass().equals(Integer.class) ||
+            warnings.getClass().equals(String.class) ||
+            warnings.getClass().isEnum()) {
+            map.put("warnings", warnings);
+        } else if (isListOfFile(warnings)) {
+            for(int i = 0; i< getListSize(warnings); i++) {
+                map.put("warnings[" + i + "]", getFromList(warnings, i));
+            }
+        }
+        else {
+            map.put("warnings", JSON.getDefault().getMapper().writeValueAsString(warnings));
+        }
+    }
+    } catch (Exception e) {
+        throw new ApiException(e);
+    }
+
+    return fileTypeFound ? map : new HashMap<>();
+  }
+
+  private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+    return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+  }
+
+  private boolean isListOfFile(Object obj) throws Exception {
+      return obj instanceof java.util.List && !isListEmpty(obj) && getFromList(obj, 0) instanceof java.io.File;
+  }
+
+  private boolean isListEmpty(Object obj) throws Exception {
+    return (boolean) Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+  }
+
+  private Object getFromList(Object obj, int index) throws Exception {
+    return Class.forName(java.util.List.class.getName()).getMethod("get", int.class).invoke(obj, index);
+  }
+
+  private int getListSize(Object obj) throws Exception {
+    return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+
+}
+
diff --git a/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxListResponse.java b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxListResponse.java
new file mode 100644
index 000000000..13c0d94e3
--- /dev/null
+++ b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxListResponse.java
@@ -0,0 +1,240 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package com.dropbox.sign.model;
+
+import java.util.Objects;
+import java.util.Map;
+import java.util.HashMap;
+import com.dropbox.sign.model.FaxResponse;
+import com.dropbox.sign.model.ListInfoResponse;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+
+import com.dropbox.sign.ApiException;
+/**
+ * FaxListResponse
+ */
+@JsonPropertyOrder({
+  FaxListResponse.JSON_PROPERTY_FAXES,
+  FaxListResponse.JSON_PROPERTY_LIST_INFO
+})
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown=true)
+public class FaxListResponse {
+  public static final String JSON_PROPERTY_FAXES = "faxes";
+  private List<FaxResponse> faxes = new ArrayList<>();
+
+  public static final String JSON_PROPERTY_LIST_INFO = "list_info";
+  private ListInfoResponse listInfo;
+
+  public FaxListResponse() { 
+  }
+
+  /**
+   * Attempt to instantiate and hydrate a new instance of this class
+   * @param jsonData String of JSON data representing target object
+   */
+  static public FaxListResponse init(String jsonData) throws Exception {
+    return new ObjectMapper().readValue(jsonData, FaxListResponse.class);
+  }
+
+  static public FaxListResponse init(HashMap data) throws Exception {
+    return new ObjectMapper().readValue(
+      new ObjectMapper().writeValueAsString(data),
+      FaxListResponse.class
+    );
+  }
+
+  public FaxListResponse faxes(List<FaxResponse> faxes) {
+    this.faxes = faxes;
+    return this;
+  }
+
+  public FaxListResponse addFaxesItem(FaxResponse faxesItem) {
+    if (this.faxes == null) {
+      this.faxes = new ArrayList<>();
+    }
+    this.faxes.add(faxesItem);
+    return this;
+  }
+
+  /**
+   * Get faxes
+   * @return faxes
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_FAXES)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public List<FaxResponse> getFaxes() {
+    return faxes;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FAXES)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setFaxes(List<FaxResponse> faxes) {
+    this.faxes = faxes;
+  }
+
+
+  public FaxListResponse listInfo(ListInfoResponse listInfo) {
+    this.listInfo = listInfo;
+    return this;
+  }
+
+  /**
+   * Get listInfo
+   * @return listInfo
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_LIST_INFO)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public ListInfoResponse getListInfo() {
+    return listInfo;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_LIST_INFO)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setListInfo(ListInfoResponse listInfo) {
+    this.listInfo = listInfo;
+  }
+
+
+  /**
+   * Return true if this FaxListResponse object is equal to o.
+   */
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    FaxListResponse faxListResponse = (FaxListResponse) o;
+    return Objects.equals(this.faxes, faxListResponse.faxes) &&
+        Objects.equals(this.listInfo, faxListResponse.listInfo);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(faxes, listInfo);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class FaxListResponse {\n");
+    sb.append("    faxes: ").append(toIndentedString(faxes)).append("\n");
+    sb.append("    listInfo: ").append(toIndentedString(listInfo)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  public Map<String, Object> createFormData() throws ApiException {
+    Map<String, Object> map = new HashMap<>();
+    boolean fileTypeFound = false;
+    try {
+    if (faxes != null) {
+        if (isFileTypeOrListOfFiles(faxes)) {
+            fileTypeFound = true;
+        }
+
+        if (faxes.getClass().equals(java.io.File.class) ||
+            faxes.getClass().equals(Integer.class) ||
+            faxes.getClass().equals(String.class) ||
+            faxes.getClass().isEnum()) {
+            map.put("faxes", faxes);
+        } else if (isListOfFile(faxes)) {
+            for(int i = 0; i< getListSize(faxes); i++) {
+                map.put("faxes[" + i + "]", getFromList(faxes, i));
+            }
+        }
+        else {
+            map.put("faxes", JSON.getDefault().getMapper().writeValueAsString(faxes));
+        }
+    }
+    if (listInfo != null) {
+        if (isFileTypeOrListOfFiles(listInfo)) {
+            fileTypeFound = true;
+        }
+
+        if (listInfo.getClass().equals(java.io.File.class) ||
+            listInfo.getClass().equals(Integer.class) ||
+            listInfo.getClass().equals(String.class) ||
+            listInfo.getClass().isEnum()) {
+            map.put("list_info", listInfo);
+        } else if (isListOfFile(listInfo)) {
+            for(int i = 0; i< getListSize(listInfo); i++) {
+                map.put("list_info[" + i + "]", getFromList(listInfo, i));
+            }
+        }
+        else {
+            map.put("list_info", JSON.getDefault().getMapper().writeValueAsString(listInfo));
+        }
+    }
+    } catch (Exception e) {
+        throw new ApiException(e);
+    }
+
+    return fileTypeFound ? map : new HashMap<>();
+  }
+
+  private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+    return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+  }
+
+  private boolean isListOfFile(Object obj) throws Exception {
+      return obj instanceof java.util.List && !isListEmpty(obj) && getFromList(obj, 0) instanceof java.io.File;
+  }
+
+  private boolean isListEmpty(Object obj) throws Exception {
+    return (boolean) Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+  }
+
+  private Object getFromList(Object obj, int index) throws Exception {
+    return Class.forName(java.util.List.class.getName()).getMethod("get", int.class).invoke(obj, index);
+  }
+
+  private int getListSize(Object obj) throws Exception {
+    return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+
+}
+
diff --git a/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxResponse.java b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxResponse.java
new file mode 100644
index 000000000..35f4ffc6a
--- /dev/null
+++ b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxResponse.java
@@ -0,0 +1,649 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package com.dropbox.sign.model;
+
+import java.util.Objects;
+import java.util.Map;
+import java.util.HashMap;
+import com.dropbox.sign.model.FaxResponseTransmission;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+
+import com.dropbox.sign.ApiException;
+/**
+ * FaxResponse
+ */
+@JsonPropertyOrder({
+  FaxResponse.JSON_PROPERTY_FAX_ID,
+  FaxResponse.JSON_PROPERTY_TITLE,
+  FaxResponse.JSON_PROPERTY_ORIGINAL_TITLE,
+  FaxResponse.JSON_PROPERTY_SUBJECT,
+  FaxResponse.JSON_PROPERTY_MESSAGE,
+  FaxResponse.JSON_PROPERTY_METADATA,
+  FaxResponse.JSON_PROPERTY_CREATED_AT,
+  FaxResponse.JSON_PROPERTY_SENDER,
+  FaxResponse.JSON_PROPERTY_TRANSMISSIONS,
+  FaxResponse.JSON_PROPERTY_FILES_URL
+})
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown=true)
+public class FaxResponse {
+  public static final String JSON_PROPERTY_FAX_ID = "fax_id";
+  private String faxId;
+
+  public static final String JSON_PROPERTY_TITLE = "title";
+  private String title;
+
+  public static final String JSON_PROPERTY_ORIGINAL_TITLE = "original_title";
+  private String originalTitle;
+
+  public static final String JSON_PROPERTY_SUBJECT = "subject";
+  private String subject;
+
+  public static final String JSON_PROPERTY_MESSAGE = "message";
+  private String message;
+
+  public static final String JSON_PROPERTY_METADATA = "metadata";
+  private Map<String, Object> metadata = new HashMap<>();
+
+  public static final String JSON_PROPERTY_CREATED_AT = "created_at";
+  private Integer createdAt;
+
+  public static final String JSON_PROPERTY_SENDER = "sender";
+  private String sender;
+
+  public static final String JSON_PROPERTY_TRANSMISSIONS = "transmissions";
+  private List<FaxResponseTransmission> transmissions = new ArrayList<>();
+
+  public static final String JSON_PROPERTY_FILES_URL = "files_url";
+  private String filesUrl;
+
+  public FaxResponse() { 
+  }
+
+  /**
+   * Attempt to instantiate and hydrate a new instance of this class
+   * @param jsonData String of JSON data representing target object
+   */
+  static public FaxResponse init(String jsonData) throws Exception {
+    return new ObjectMapper().readValue(jsonData, FaxResponse.class);
+  }
+
+  static public FaxResponse init(HashMap data) throws Exception {
+    return new ObjectMapper().readValue(
+      new ObjectMapper().writeValueAsString(data),
+      FaxResponse.class
+    );
+  }
+
+  public FaxResponse faxId(String faxId) {
+    this.faxId = faxId;
+    return this;
+  }
+
+  /**
+   * Fax ID
+   * @return faxId
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_FAX_ID)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getFaxId() {
+    return faxId;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FAX_ID)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setFaxId(String faxId) {
+    this.faxId = faxId;
+  }
+
+
+  public FaxResponse title(String title) {
+    this.title = title;
+    return this;
+  }
+
+  /**
+   * Fax Title
+   * @return title
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_TITLE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getTitle() {
+    return title;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_TITLE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+
+  public FaxResponse originalTitle(String originalTitle) {
+    this.originalTitle = originalTitle;
+    return this;
+  }
+
+  /**
+   * Fax Original Title
+   * @return originalTitle
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_ORIGINAL_TITLE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getOriginalTitle() {
+    return originalTitle;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_ORIGINAL_TITLE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setOriginalTitle(String originalTitle) {
+    this.originalTitle = originalTitle;
+  }
+
+
+  public FaxResponse subject(String subject) {
+    this.subject = subject;
+    return this;
+  }
+
+  /**
+   * Fax Subject
+   * @return subject
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_SUBJECT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getSubject() {
+    return subject;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_SUBJECT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setSubject(String subject) {
+    this.subject = subject;
+  }
+
+
+  public FaxResponse message(String message) {
+    this.message = message;
+    return this;
+  }
+
+  /**
+   * Fax Message
+   * @return message
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_MESSAGE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getMessage() {
+    return message;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_MESSAGE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setMessage(String message) {
+    this.message = message;
+  }
+
+
+  public FaxResponse metadata(Map<String, Object> metadata) {
+    this.metadata = metadata;
+    return this;
+  }
+
+  public FaxResponse putMetadataItem(String key, Object metadataItem) {
+    if (this.metadata == null) {
+      this.metadata = new HashMap<>();
+    }
+    this.metadata.put(key, metadataItem);
+    return this;
+  }
+
+  /**
+   * Fax Metadata
+   * @return metadata
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_METADATA)
+  @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.ALWAYS)
+
+  public Map<String, Object> getMetadata() {
+    return metadata;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_METADATA)
+  @JsonInclude(content = JsonInclude.Include.ALWAYS, value = JsonInclude.Include.ALWAYS)
+  public void setMetadata(Map<String, Object> metadata) {
+    this.metadata = metadata;
+  }
+
+
+  public FaxResponse createdAt(Integer createdAt) {
+    this.createdAt = createdAt;
+    return this;
+  }
+
+  /**
+   * Fax Created At Timestamp
+   * @return createdAt
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_CREATED_AT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public Integer getCreatedAt() {
+    return createdAt;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_CREATED_AT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setCreatedAt(Integer createdAt) {
+    this.createdAt = createdAt;
+  }
+
+
+  public FaxResponse sender(String sender) {
+    this.sender = sender;
+    return this;
+  }
+
+  /**
+   * Fax Sender Email
+   * @return sender
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_SENDER)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getSender() {
+    return sender;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_SENDER)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setSender(String sender) {
+    this.sender = sender;
+  }
+
+
+  public FaxResponse transmissions(List<FaxResponseTransmission> transmissions) {
+    this.transmissions = transmissions;
+    return this;
+  }
+
+  public FaxResponse addTransmissionsItem(FaxResponseTransmission transmissionsItem) {
+    if (this.transmissions == null) {
+      this.transmissions = new ArrayList<>();
+    }
+    this.transmissions.add(transmissionsItem);
+    return this;
+  }
+
+  /**
+   * Fax Transmissions List
+   * @return transmissions
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_TRANSMISSIONS)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public List<FaxResponseTransmission> getTransmissions() {
+    return transmissions;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_TRANSMISSIONS)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setTransmissions(List<FaxResponseTransmission> transmissions) {
+    this.transmissions = transmissions;
+  }
+
+
+  public FaxResponse filesUrl(String filesUrl) {
+    this.filesUrl = filesUrl;
+    return this;
+  }
+
+  /**
+   * Fax Files URL
+   * @return filesUrl
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_FILES_URL)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getFilesUrl() {
+    return filesUrl;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FILES_URL)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setFilesUrl(String filesUrl) {
+    this.filesUrl = filesUrl;
+  }
+
+
+  /**
+   * Return true if this FaxResponse object is equal to o.
+   */
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    FaxResponse faxResponse = (FaxResponse) o;
+    return Objects.equals(this.faxId, faxResponse.faxId) &&
+        Objects.equals(this.title, faxResponse.title) &&
+        Objects.equals(this.originalTitle, faxResponse.originalTitle) &&
+        Objects.equals(this.subject, faxResponse.subject) &&
+        Objects.equals(this.message, faxResponse.message) &&
+        Objects.equals(this.metadata, faxResponse.metadata) &&
+        Objects.equals(this.createdAt, faxResponse.createdAt) &&
+        Objects.equals(this.sender, faxResponse.sender) &&
+        Objects.equals(this.transmissions, faxResponse.transmissions) &&
+        Objects.equals(this.filesUrl, faxResponse.filesUrl);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(faxId, title, originalTitle, subject, message, metadata, createdAt, sender, transmissions, filesUrl);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class FaxResponse {\n");
+    sb.append("    faxId: ").append(toIndentedString(faxId)).append("\n");
+    sb.append("    title: ").append(toIndentedString(title)).append("\n");
+    sb.append("    originalTitle: ").append(toIndentedString(originalTitle)).append("\n");
+    sb.append("    subject: ").append(toIndentedString(subject)).append("\n");
+    sb.append("    message: ").append(toIndentedString(message)).append("\n");
+    sb.append("    metadata: ").append(toIndentedString(metadata)).append("\n");
+    sb.append("    createdAt: ").append(toIndentedString(createdAt)).append("\n");
+    sb.append("    sender: ").append(toIndentedString(sender)).append("\n");
+    sb.append("    transmissions: ").append(toIndentedString(transmissions)).append("\n");
+    sb.append("    filesUrl: ").append(toIndentedString(filesUrl)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  public Map<String, Object> createFormData() throws ApiException {
+    Map<String, Object> map = new HashMap<>();
+    boolean fileTypeFound = false;
+    try {
+    if (faxId != null) {
+        if (isFileTypeOrListOfFiles(faxId)) {
+            fileTypeFound = true;
+        }
+
+        if (faxId.getClass().equals(java.io.File.class) ||
+            faxId.getClass().equals(Integer.class) ||
+            faxId.getClass().equals(String.class) ||
+            faxId.getClass().isEnum()) {
+            map.put("fax_id", faxId);
+        } else if (isListOfFile(faxId)) {
+            for(int i = 0; i< getListSize(faxId); i++) {
+                map.put("fax_id[" + i + "]", getFromList(faxId, i));
+            }
+        }
+        else {
+            map.put("fax_id", JSON.getDefault().getMapper().writeValueAsString(faxId));
+        }
+    }
+    if (title != null) {
+        if (isFileTypeOrListOfFiles(title)) {
+            fileTypeFound = true;
+        }
+
+        if (title.getClass().equals(java.io.File.class) ||
+            title.getClass().equals(Integer.class) ||
+            title.getClass().equals(String.class) ||
+            title.getClass().isEnum()) {
+            map.put("title", title);
+        } else if (isListOfFile(title)) {
+            for(int i = 0; i< getListSize(title); i++) {
+                map.put("title[" + i + "]", getFromList(title, i));
+            }
+        }
+        else {
+            map.put("title", JSON.getDefault().getMapper().writeValueAsString(title));
+        }
+    }
+    if (originalTitle != null) {
+        if (isFileTypeOrListOfFiles(originalTitle)) {
+            fileTypeFound = true;
+        }
+
+        if (originalTitle.getClass().equals(java.io.File.class) ||
+            originalTitle.getClass().equals(Integer.class) ||
+            originalTitle.getClass().equals(String.class) ||
+            originalTitle.getClass().isEnum()) {
+            map.put("original_title", originalTitle);
+        } else if (isListOfFile(originalTitle)) {
+            for(int i = 0; i< getListSize(originalTitle); i++) {
+                map.put("original_title[" + i + "]", getFromList(originalTitle, i));
+            }
+        }
+        else {
+            map.put("original_title", JSON.getDefault().getMapper().writeValueAsString(originalTitle));
+        }
+    }
+    if (subject != null) {
+        if (isFileTypeOrListOfFiles(subject)) {
+            fileTypeFound = true;
+        }
+
+        if (subject.getClass().equals(java.io.File.class) ||
+            subject.getClass().equals(Integer.class) ||
+            subject.getClass().equals(String.class) ||
+            subject.getClass().isEnum()) {
+            map.put("subject", subject);
+        } else if (isListOfFile(subject)) {
+            for(int i = 0; i< getListSize(subject); i++) {
+                map.put("subject[" + i + "]", getFromList(subject, i));
+            }
+        }
+        else {
+            map.put("subject", JSON.getDefault().getMapper().writeValueAsString(subject));
+        }
+    }
+    if (message != null) {
+        if (isFileTypeOrListOfFiles(message)) {
+            fileTypeFound = true;
+        }
+
+        if (message.getClass().equals(java.io.File.class) ||
+            message.getClass().equals(Integer.class) ||
+            message.getClass().equals(String.class) ||
+            message.getClass().isEnum()) {
+            map.put("message", message);
+        } else if (isListOfFile(message)) {
+            for(int i = 0; i< getListSize(message); i++) {
+                map.put("message[" + i + "]", getFromList(message, i));
+            }
+        }
+        else {
+            map.put("message", JSON.getDefault().getMapper().writeValueAsString(message));
+        }
+    }
+    if (metadata != null) {
+        if (isFileTypeOrListOfFiles(metadata)) {
+            fileTypeFound = true;
+        }
+
+        if (metadata.getClass().equals(java.io.File.class) ||
+            metadata.getClass().equals(Integer.class) ||
+            metadata.getClass().equals(String.class) ||
+            metadata.getClass().isEnum()) {
+            map.put("metadata", metadata);
+        } else if (isListOfFile(metadata)) {
+            for(int i = 0; i< getListSize(metadata); i++) {
+                map.put("metadata[" + i + "]", getFromList(metadata, i));
+            }
+        }
+        else {
+            map.put("metadata", JSON.getDefault().getMapper().writeValueAsString(metadata));
+        }
+    }
+    if (createdAt != null) {
+        if (isFileTypeOrListOfFiles(createdAt)) {
+            fileTypeFound = true;
+        }
+
+        if (createdAt.getClass().equals(java.io.File.class) ||
+            createdAt.getClass().equals(Integer.class) ||
+            createdAt.getClass().equals(String.class) ||
+            createdAt.getClass().isEnum()) {
+            map.put("created_at", createdAt);
+        } else if (isListOfFile(createdAt)) {
+            for(int i = 0; i< getListSize(createdAt); i++) {
+                map.put("created_at[" + i + "]", getFromList(createdAt, i));
+            }
+        }
+        else {
+            map.put("created_at", JSON.getDefault().getMapper().writeValueAsString(createdAt));
+        }
+    }
+    if (sender != null) {
+        if (isFileTypeOrListOfFiles(sender)) {
+            fileTypeFound = true;
+        }
+
+        if (sender.getClass().equals(java.io.File.class) ||
+            sender.getClass().equals(Integer.class) ||
+            sender.getClass().equals(String.class) ||
+            sender.getClass().isEnum()) {
+            map.put("sender", sender);
+        } else if (isListOfFile(sender)) {
+            for(int i = 0; i< getListSize(sender); i++) {
+                map.put("sender[" + i + "]", getFromList(sender, i));
+            }
+        }
+        else {
+            map.put("sender", JSON.getDefault().getMapper().writeValueAsString(sender));
+        }
+    }
+    if (transmissions != null) {
+        if (isFileTypeOrListOfFiles(transmissions)) {
+            fileTypeFound = true;
+        }
+
+        if (transmissions.getClass().equals(java.io.File.class) ||
+            transmissions.getClass().equals(Integer.class) ||
+            transmissions.getClass().equals(String.class) ||
+            transmissions.getClass().isEnum()) {
+            map.put("transmissions", transmissions);
+        } else if (isListOfFile(transmissions)) {
+            for(int i = 0; i< getListSize(transmissions); i++) {
+                map.put("transmissions[" + i + "]", getFromList(transmissions, i));
+            }
+        }
+        else {
+            map.put("transmissions", JSON.getDefault().getMapper().writeValueAsString(transmissions));
+        }
+    }
+    if (filesUrl != null) {
+        if (isFileTypeOrListOfFiles(filesUrl)) {
+            fileTypeFound = true;
+        }
+
+        if (filesUrl.getClass().equals(java.io.File.class) ||
+            filesUrl.getClass().equals(Integer.class) ||
+            filesUrl.getClass().equals(String.class) ||
+            filesUrl.getClass().isEnum()) {
+            map.put("files_url", filesUrl);
+        } else if (isListOfFile(filesUrl)) {
+            for(int i = 0; i< getListSize(filesUrl); i++) {
+                map.put("files_url[" + i + "]", getFromList(filesUrl, i));
+            }
+        }
+        else {
+            map.put("files_url", JSON.getDefault().getMapper().writeValueAsString(filesUrl));
+        }
+    }
+    } catch (Exception e) {
+        throw new ApiException(e);
+    }
+
+    return fileTypeFound ? map : new HashMap<>();
+  }
+
+  private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+    return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+  }
+
+  private boolean isListOfFile(Object obj) throws Exception {
+      return obj instanceof java.util.List && !isListEmpty(obj) && getFromList(obj, 0) instanceof java.io.File;
+  }
+
+  private boolean isListEmpty(Object obj) throws Exception {
+    return (boolean) Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+  }
+
+  private Object getFromList(Object obj, int index) throws Exception {
+    return Class.forName(java.util.List.class.getName()).getMethod("get", int.class).invoke(obj, index);
+  }
+
+  private int getListSize(Object obj) throws Exception {
+    return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+
+}
+
diff --git a/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java
new file mode 100644
index 000000000..dc7bb06a4
--- /dev/null
+++ b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxResponseTransmission.java
@@ -0,0 +1,375 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package com.dropbox.sign.model;
+
+import java.util.Objects;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.Arrays;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+
+import com.dropbox.sign.ApiException;
+/**
+ * FaxResponseTransmission
+ */
+@JsonPropertyOrder({
+  FaxResponseTransmission.JSON_PROPERTY_RECIPIENT,
+  FaxResponseTransmission.JSON_PROPERTY_SENDER,
+  FaxResponseTransmission.JSON_PROPERTY_STATUS_CODE,
+  FaxResponseTransmission.JSON_PROPERTY_SENT_AT
+})
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown=true)
+public class FaxResponseTransmission {
+  public static final String JSON_PROPERTY_RECIPIENT = "recipient";
+  private String recipient;
+
+  public static final String JSON_PROPERTY_SENDER = "sender";
+  private String sender;
+
+  /**
+   * Fax Transmission Status Code
+   */
+  public enum StatusCodeEnum {
+    SUCCESS("success"),
+    
+    TRANSMITTING("transmitting"),
+    
+    ERROR_COULD_NOT_FAX("error_could_not_fax"),
+    
+    ERROR_UNKNOWN("error_unknown"),
+    
+    ERROR_BUSY("error_busy"),
+    
+    ERROR_NO_ANSWER("error_no_answer"),
+    
+    ERROR_DISCONNECTED("error_disconnected"),
+    
+    ERROR_BAD_DESTINATION("error_bad_destination");
+
+    private String value;
+
+    StatusCodeEnum(String value) {
+      this.value = value;
+    }
+
+    @JsonValue
+    public String getValue() {
+      return value;
+    }
+
+    @Override
+    public String toString() {
+      return String.valueOf(value);
+    }
+
+    @JsonCreator
+    public static StatusCodeEnum fromValue(String value) {
+      for (StatusCodeEnum b : StatusCodeEnum.values()) {
+        if (b.value.equals(value)) {
+          return b;
+        }
+      }
+      throw new IllegalArgumentException("Unexpected value '" + value + "'");
+    }
+  }
+
+  public static final String JSON_PROPERTY_STATUS_CODE = "status_code";
+  private StatusCodeEnum statusCode;
+
+  public static final String JSON_PROPERTY_SENT_AT = "sent_at";
+  private Integer sentAt;
+
+  public FaxResponseTransmission() { 
+  }
+
+  /**
+   * Attempt to instantiate and hydrate a new instance of this class
+   * @param jsonData String of JSON data representing target object
+   */
+  static public FaxResponseTransmission init(String jsonData) throws Exception {
+    return new ObjectMapper().readValue(jsonData, FaxResponseTransmission.class);
+  }
+
+  static public FaxResponseTransmission init(HashMap data) throws Exception {
+    return new ObjectMapper().readValue(
+      new ObjectMapper().writeValueAsString(data),
+      FaxResponseTransmission.class
+    );
+  }
+
+  public FaxResponseTransmission recipient(String recipient) {
+    this.recipient = recipient;
+    return this;
+  }
+
+  /**
+   * Fax Transmission Recipient
+   * @return recipient
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_RECIPIENT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getRecipient() {
+    return recipient;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_RECIPIENT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setRecipient(String recipient) {
+    this.recipient = recipient;
+  }
+
+
+  public FaxResponseTransmission sender(String sender) {
+    this.sender = sender;
+    return this;
+  }
+
+  /**
+   * Fax Transmission Sender
+   * @return sender
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_SENDER)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getSender() {
+    return sender;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_SENDER)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setSender(String sender) {
+    this.sender = sender;
+  }
+
+
+  public FaxResponseTransmission statusCode(StatusCodeEnum statusCode) {
+    this.statusCode = statusCode;
+    return this;
+  }
+
+  /**
+   * Fax Transmission Status Code
+   * @return statusCode
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_STATUS_CODE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public StatusCodeEnum getStatusCode() {
+    return statusCode;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_STATUS_CODE)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setStatusCode(StatusCodeEnum statusCode) {
+    this.statusCode = statusCode;
+  }
+
+
+  public FaxResponseTransmission sentAt(Integer sentAt) {
+    this.sentAt = sentAt;
+    return this;
+  }
+
+  /**
+   * Fax Transmission Sent Timestamp
+   * @return sentAt
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_SENT_AT)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public Integer getSentAt() {
+    return sentAt;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_SENT_AT)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setSentAt(Integer sentAt) {
+    this.sentAt = sentAt;
+  }
+
+
+  /**
+   * Return true if this FaxResponseTransmission object is equal to o.
+   */
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    FaxResponseTransmission faxResponseTransmission = (FaxResponseTransmission) o;
+    return Objects.equals(this.recipient, faxResponseTransmission.recipient) &&
+        Objects.equals(this.sender, faxResponseTransmission.sender) &&
+        Objects.equals(this.statusCode, faxResponseTransmission.statusCode) &&
+        Objects.equals(this.sentAt, faxResponseTransmission.sentAt);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(recipient, sender, statusCode, sentAt);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class FaxResponseTransmission {\n");
+    sb.append("    recipient: ").append(toIndentedString(recipient)).append("\n");
+    sb.append("    sender: ").append(toIndentedString(sender)).append("\n");
+    sb.append("    statusCode: ").append(toIndentedString(statusCode)).append("\n");
+    sb.append("    sentAt: ").append(toIndentedString(sentAt)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  public Map<String, Object> createFormData() throws ApiException {
+    Map<String, Object> map = new HashMap<>();
+    boolean fileTypeFound = false;
+    try {
+    if (recipient != null) {
+        if (isFileTypeOrListOfFiles(recipient)) {
+            fileTypeFound = true;
+        }
+
+        if (recipient.getClass().equals(java.io.File.class) ||
+            recipient.getClass().equals(Integer.class) ||
+            recipient.getClass().equals(String.class) ||
+            recipient.getClass().isEnum()) {
+            map.put("recipient", recipient);
+        } else if (isListOfFile(recipient)) {
+            for(int i = 0; i< getListSize(recipient); i++) {
+                map.put("recipient[" + i + "]", getFromList(recipient, i));
+            }
+        }
+        else {
+            map.put("recipient", JSON.getDefault().getMapper().writeValueAsString(recipient));
+        }
+    }
+    if (sender != null) {
+        if (isFileTypeOrListOfFiles(sender)) {
+            fileTypeFound = true;
+        }
+
+        if (sender.getClass().equals(java.io.File.class) ||
+            sender.getClass().equals(Integer.class) ||
+            sender.getClass().equals(String.class) ||
+            sender.getClass().isEnum()) {
+            map.put("sender", sender);
+        } else if (isListOfFile(sender)) {
+            for(int i = 0; i< getListSize(sender); i++) {
+                map.put("sender[" + i + "]", getFromList(sender, i));
+            }
+        }
+        else {
+            map.put("sender", JSON.getDefault().getMapper().writeValueAsString(sender));
+        }
+    }
+    if (statusCode != null) {
+        if (isFileTypeOrListOfFiles(statusCode)) {
+            fileTypeFound = true;
+        }
+
+        if (statusCode.getClass().equals(java.io.File.class) ||
+            statusCode.getClass().equals(Integer.class) ||
+            statusCode.getClass().equals(String.class) ||
+            statusCode.getClass().isEnum()) {
+            map.put("status_code", statusCode);
+        } else if (isListOfFile(statusCode)) {
+            for(int i = 0; i< getListSize(statusCode); i++) {
+                map.put("status_code[" + i + "]", getFromList(statusCode, i));
+            }
+        }
+        else {
+            map.put("status_code", JSON.getDefault().getMapper().writeValueAsString(statusCode));
+        }
+    }
+    if (sentAt != null) {
+        if (isFileTypeOrListOfFiles(sentAt)) {
+            fileTypeFound = true;
+        }
+
+        if (sentAt.getClass().equals(java.io.File.class) ||
+            sentAt.getClass().equals(Integer.class) ||
+            sentAt.getClass().equals(String.class) ||
+            sentAt.getClass().isEnum()) {
+            map.put("sent_at", sentAt);
+        } else if (isListOfFile(sentAt)) {
+            for(int i = 0; i< getListSize(sentAt); i++) {
+                map.put("sent_at[" + i + "]", getFromList(sentAt, i));
+            }
+        }
+        else {
+            map.put("sent_at", JSON.getDefault().getMapper().writeValueAsString(sentAt));
+        }
+    }
+    } catch (Exception e) {
+        throw new ApiException(e);
+    }
+
+    return fileTypeFound ? map : new HashMap<>();
+  }
+
+  private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+    return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+  }
+
+  private boolean isListOfFile(Object obj) throws Exception {
+      return obj instanceof java.util.List && !isListEmpty(obj) && getFromList(obj, 0) instanceof java.io.File;
+  }
+
+  private boolean isListEmpty(Object obj) throws Exception {
+    return (boolean) Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+  }
+
+  private Object getFromList(Object obj, int index) throws Exception {
+    return Class.forName(java.util.List.class.getName()).getMethod("get", int.class).invoke(obj, index);
+  }
+
+  private int getListSize(Object obj) throws Exception {
+    return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+
+}
+
diff --git a/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxSendRequest.java b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxSendRequest.java
new file mode 100644
index 000000000..bb4a6e8a1
--- /dev/null
+++ b/sdks/java-v2/src/main/java/com/dropbox/sign/model/FaxSendRequest.java
@@ -0,0 +1,597 @@
+/*
+ * Dropbox Sign API
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package com.dropbox.sign.model;
+
+import java.util.Objects;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.JsonValue;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.dropbox.sign.JSON;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+
+import com.dropbox.sign.ApiException;
+/**
+ * FaxSendRequest
+ */
+@JsonPropertyOrder({
+  FaxSendRequest.JSON_PROPERTY_RECIPIENT,
+  FaxSendRequest.JSON_PROPERTY_SENDER,
+  FaxSendRequest.JSON_PROPERTY_FILES,
+  FaxSendRequest.JSON_PROPERTY_FILE_URLS,
+  FaxSendRequest.JSON_PROPERTY_TEST_MODE,
+  FaxSendRequest.JSON_PROPERTY_COVER_PAGE_TO,
+  FaxSendRequest.JSON_PROPERTY_COVER_PAGE_FROM,
+  FaxSendRequest.JSON_PROPERTY_COVER_PAGE_MESSAGE,
+  FaxSendRequest.JSON_PROPERTY_TITLE
+})
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.8.0")
+@JsonIgnoreProperties(ignoreUnknown=true)
+public class FaxSendRequest {
+  public static final String JSON_PROPERTY_RECIPIENT = "recipient";
+  private String recipient;
+
+  public static final String JSON_PROPERTY_SENDER = "sender";
+  private String sender;
+
+  public static final String JSON_PROPERTY_FILES = "files";
+  private List<File> files = null;
+
+  public static final String JSON_PROPERTY_FILE_URLS = "file_urls";
+  private List<String> fileUrls = null;
+
+  public static final String JSON_PROPERTY_TEST_MODE = "test_mode";
+  private Boolean testMode = false;
+
+  public static final String JSON_PROPERTY_COVER_PAGE_TO = "cover_page_to";
+  private String coverPageTo;
+
+  public static final String JSON_PROPERTY_COVER_PAGE_FROM = "cover_page_from";
+  private String coverPageFrom;
+
+  public static final String JSON_PROPERTY_COVER_PAGE_MESSAGE = "cover_page_message";
+  private String coverPageMessage;
+
+  public static final String JSON_PROPERTY_TITLE = "title";
+  private String title;
+
+  public FaxSendRequest() { 
+  }
+
+  /**
+   * Attempt to instantiate and hydrate a new instance of this class
+   * @param jsonData String of JSON data representing target object
+   */
+  static public FaxSendRequest init(String jsonData) throws Exception {
+    return new ObjectMapper().readValue(jsonData, FaxSendRequest.class);
+  }
+
+  static public FaxSendRequest init(HashMap data) throws Exception {
+    return new ObjectMapper().readValue(
+      new ObjectMapper().writeValueAsString(data),
+      FaxSendRequest.class
+    );
+  }
+
+  public FaxSendRequest recipient(String recipient) {
+    this.recipient = recipient;
+    return this;
+  }
+
+  /**
+   * Fax Send To Recipient
+   * @return recipient
+   */
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_RECIPIENT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getRecipient() {
+    return recipient;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_RECIPIENT)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setRecipient(String recipient) {
+    this.recipient = recipient;
+  }
+
+
+  public FaxSendRequest sender(String sender) {
+    this.sender = sender;
+    return this;
+  }
+
+  /**
+   * Fax Send From Sender (used only with fax number)
+   * @return sender
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_SENDER)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public String getSender() {
+    return sender;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_SENDER)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setSender(String sender) {
+    this.sender = sender;
+  }
+
+
+  public FaxSendRequest files(List<File> files) {
+    this.files = files;
+    return this;
+  }
+
+  public FaxSendRequest addFilesItem(File filesItem) {
+    if (this.files == null) {
+      this.files = new ArrayList<>();
+    }
+    this.files.add(filesItem);
+    return this;
+  }
+
+  /**
+   * Fax File to Send
+   * @return files
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_FILES)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public List<File> getFiles() {
+    return files;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FILES)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setFiles(List<File> files) {
+    this.files = files;
+  }
+
+
+  public FaxSendRequest fileUrls(List<String> fileUrls) {
+    this.fileUrls = fileUrls;
+    return this;
+  }
+
+  public FaxSendRequest addFileUrlsItem(String fileUrlsItem) {
+    if (this.fileUrls == null) {
+      this.fileUrls = new ArrayList<>();
+    }
+    this.fileUrls.add(fileUrlsItem);
+    return this;
+  }
+
+  /**
+   * Fax File URL to Send
+   * @return fileUrls
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_FILE_URLS)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public List<String> getFileUrls() {
+    return fileUrls;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FILE_URLS)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setFileUrls(List<String> fileUrls) {
+    this.fileUrls = fileUrls;
+  }
+
+
+  public FaxSendRequest testMode(Boolean testMode) {
+    this.testMode = testMode;
+    return this;
+  }
+
+  /**
+   * API Test Mode Setting
+   * @return testMode
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_TEST_MODE)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public Boolean getTestMode() {
+    return testMode;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_TEST_MODE)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setTestMode(Boolean testMode) {
+    this.testMode = testMode;
+  }
+
+
+  public FaxSendRequest coverPageTo(String coverPageTo) {
+    this.coverPageTo = coverPageTo;
+    return this;
+  }
+
+  /**
+   * Fax Cover Page for Recipient
+   * @return coverPageTo
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_COVER_PAGE_TO)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public String getCoverPageTo() {
+    return coverPageTo;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_COVER_PAGE_TO)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setCoverPageTo(String coverPageTo) {
+    this.coverPageTo = coverPageTo;
+  }
+
+
+  public FaxSendRequest coverPageFrom(String coverPageFrom) {
+    this.coverPageFrom = coverPageFrom;
+    return this;
+  }
+
+  /**
+   * Fax Cover Page for Sender
+   * @return coverPageFrom
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_COVER_PAGE_FROM)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public String getCoverPageFrom() {
+    return coverPageFrom;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_COVER_PAGE_FROM)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setCoverPageFrom(String coverPageFrom) {
+    this.coverPageFrom = coverPageFrom;
+  }
+
+
+  public FaxSendRequest coverPageMessage(String coverPageMessage) {
+    this.coverPageMessage = coverPageMessage;
+    return this;
+  }
+
+  /**
+   * Fax Cover Page Message
+   * @return coverPageMessage
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_COVER_PAGE_MESSAGE)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public String getCoverPageMessage() {
+    return coverPageMessage;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_COVER_PAGE_MESSAGE)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setCoverPageMessage(String coverPageMessage) {
+    this.coverPageMessage = coverPageMessage;
+  }
+
+
+  public FaxSendRequest title(String title) {
+    this.title = title;
+    return this;
+  }
+
+  /**
+   * Fax Title
+   * @return title
+   */
+  @jakarta.annotation.Nullable
+  @JsonProperty(JSON_PROPERTY_TITLE)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public String getTitle() {
+    return title;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_TITLE)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+
+  /**
+   * Return true if this FaxSendRequest object is equal to o.
+   */
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    FaxSendRequest faxSendRequest = (FaxSendRequest) o;
+    return Objects.equals(this.recipient, faxSendRequest.recipient) &&
+        Objects.equals(this.sender, faxSendRequest.sender) &&
+        Objects.equals(this.files, faxSendRequest.files) &&
+        Objects.equals(this.fileUrls, faxSendRequest.fileUrls) &&
+        Objects.equals(this.testMode, faxSendRequest.testMode) &&
+        Objects.equals(this.coverPageTo, faxSendRequest.coverPageTo) &&
+        Objects.equals(this.coverPageFrom, faxSendRequest.coverPageFrom) &&
+        Objects.equals(this.coverPageMessage, faxSendRequest.coverPageMessage) &&
+        Objects.equals(this.title, faxSendRequest.title);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(recipient, sender, files, fileUrls, testMode, coverPageTo, coverPageFrom, coverPageMessage, title);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class FaxSendRequest {\n");
+    sb.append("    recipient: ").append(toIndentedString(recipient)).append("\n");
+    sb.append("    sender: ").append(toIndentedString(sender)).append("\n");
+    sb.append("    files: ").append(toIndentedString(files)).append("\n");
+    sb.append("    fileUrls: ").append(toIndentedString(fileUrls)).append("\n");
+    sb.append("    testMode: ").append(toIndentedString(testMode)).append("\n");
+    sb.append("    coverPageTo: ").append(toIndentedString(coverPageTo)).append("\n");
+    sb.append("    coverPageFrom: ").append(toIndentedString(coverPageFrom)).append("\n");
+    sb.append("    coverPageMessage: ").append(toIndentedString(coverPageMessage)).append("\n");
+    sb.append("    title: ").append(toIndentedString(title)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  public Map<String, Object> createFormData() throws ApiException {
+    Map<String, Object> map = new HashMap<>();
+    boolean fileTypeFound = false;
+    try {
+    if (recipient != null) {
+        if (isFileTypeOrListOfFiles(recipient)) {
+            fileTypeFound = true;
+        }
+
+        if (recipient.getClass().equals(java.io.File.class) ||
+            recipient.getClass().equals(Integer.class) ||
+            recipient.getClass().equals(String.class) ||
+            recipient.getClass().isEnum()) {
+            map.put("recipient", recipient);
+        } else if (isListOfFile(recipient)) {
+            for(int i = 0; i< getListSize(recipient); i++) {
+                map.put("recipient[" + i + "]", getFromList(recipient, i));
+            }
+        }
+        else {
+            map.put("recipient", JSON.getDefault().getMapper().writeValueAsString(recipient));
+        }
+    }
+    if (sender != null) {
+        if (isFileTypeOrListOfFiles(sender)) {
+            fileTypeFound = true;
+        }
+
+        if (sender.getClass().equals(java.io.File.class) ||
+            sender.getClass().equals(Integer.class) ||
+            sender.getClass().equals(String.class) ||
+            sender.getClass().isEnum()) {
+            map.put("sender", sender);
+        } else if (isListOfFile(sender)) {
+            for(int i = 0; i< getListSize(sender); i++) {
+                map.put("sender[" + i + "]", getFromList(sender, i));
+            }
+        }
+        else {
+            map.put("sender", JSON.getDefault().getMapper().writeValueAsString(sender));
+        }
+    }
+    if (files != null) {
+        if (isFileTypeOrListOfFiles(files)) {
+            fileTypeFound = true;
+        }
+
+        if (files.getClass().equals(java.io.File.class) ||
+            files.getClass().equals(Integer.class) ||
+            files.getClass().equals(String.class) ||
+            files.getClass().isEnum()) {
+            map.put("files", files);
+        } else if (isListOfFile(files)) {
+            for(int i = 0; i< getListSize(files); i++) {
+                map.put("files[" + i + "]", getFromList(files, i));
+            }
+        }
+        else {
+            map.put("files", JSON.getDefault().getMapper().writeValueAsString(files));
+        }
+    }
+    if (fileUrls != null) {
+        if (isFileTypeOrListOfFiles(fileUrls)) {
+            fileTypeFound = true;
+        }
+
+        if (fileUrls.getClass().equals(java.io.File.class) ||
+            fileUrls.getClass().equals(Integer.class) ||
+            fileUrls.getClass().equals(String.class) ||
+            fileUrls.getClass().isEnum()) {
+            map.put("file_urls", fileUrls);
+        } else if (isListOfFile(fileUrls)) {
+            for(int i = 0; i< getListSize(fileUrls); i++) {
+                map.put("file_urls[" + i + "]", getFromList(fileUrls, i));
+            }
+        }
+        else {
+            map.put("file_urls", JSON.getDefault().getMapper().writeValueAsString(fileUrls));
+        }
+    }
+    if (testMode != null) {
+        if (isFileTypeOrListOfFiles(testMode)) {
+            fileTypeFound = true;
+        }
+
+        if (testMode.getClass().equals(java.io.File.class) ||
+            testMode.getClass().equals(Integer.class) ||
+            testMode.getClass().equals(String.class) ||
+            testMode.getClass().isEnum()) {
+            map.put("test_mode", testMode);
+        } else if (isListOfFile(testMode)) {
+            for(int i = 0; i< getListSize(testMode); i++) {
+                map.put("test_mode[" + i + "]", getFromList(testMode, i));
+            }
+        }
+        else {
+            map.put("test_mode", JSON.getDefault().getMapper().writeValueAsString(testMode));
+        }
+    }
+    if (coverPageTo != null) {
+        if (isFileTypeOrListOfFiles(coverPageTo)) {
+            fileTypeFound = true;
+        }
+
+        if (coverPageTo.getClass().equals(java.io.File.class) ||
+            coverPageTo.getClass().equals(Integer.class) ||
+            coverPageTo.getClass().equals(String.class) ||
+            coverPageTo.getClass().isEnum()) {
+            map.put("cover_page_to", coverPageTo);
+        } else if (isListOfFile(coverPageTo)) {
+            for(int i = 0; i< getListSize(coverPageTo); i++) {
+                map.put("cover_page_to[" + i + "]", getFromList(coverPageTo, i));
+            }
+        }
+        else {
+            map.put("cover_page_to", JSON.getDefault().getMapper().writeValueAsString(coverPageTo));
+        }
+    }
+    if (coverPageFrom != null) {
+        if (isFileTypeOrListOfFiles(coverPageFrom)) {
+            fileTypeFound = true;
+        }
+
+        if (coverPageFrom.getClass().equals(java.io.File.class) ||
+            coverPageFrom.getClass().equals(Integer.class) ||
+            coverPageFrom.getClass().equals(String.class) ||
+            coverPageFrom.getClass().isEnum()) {
+            map.put("cover_page_from", coverPageFrom);
+        } else if (isListOfFile(coverPageFrom)) {
+            for(int i = 0; i< getListSize(coverPageFrom); i++) {
+                map.put("cover_page_from[" + i + "]", getFromList(coverPageFrom, i));
+            }
+        }
+        else {
+            map.put("cover_page_from", JSON.getDefault().getMapper().writeValueAsString(coverPageFrom));
+        }
+    }
+    if (coverPageMessage != null) {
+        if (isFileTypeOrListOfFiles(coverPageMessage)) {
+            fileTypeFound = true;
+        }
+
+        if (coverPageMessage.getClass().equals(java.io.File.class) ||
+            coverPageMessage.getClass().equals(Integer.class) ||
+            coverPageMessage.getClass().equals(String.class) ||
+            coverPageMessage.getClass().isEnum()) {
+            map.put("cover_page_message", coverPageMessage);
+        } else if (isListOfFile(coverPageMessage)) {
+            for(int i = 0; i< getListSize(coverPageMessage); i++) {
+                map.put("cover_page_message[" + i + "]", getFromList(coverPageMessage, i));
+            }
+        }
+        else {
+            map.put("cover_page_message", JSON.getDefault().getMapper().writeValueAsString(coverPageMessage));
+        }
+    }
+    if (title != null) {
+        if (isFileTypeOrListOfFiles(title)) {
+            fileTypeFound = true;
+        }
+
+        if (title.getClass().equals(java.io.File.class) ||
+            title.getClass().equals(Integer.class) ||
+            title.getClass().equals(String.class) ||
+            title.getClass().isEnum()) {
+            map.put("title", title);
+        } else if (isListOfFile(title)) {
+            for(int i = 0; i< getListSize(title); i++) {
+                map.put("title[" + i + "]", getFromList(title, i));
+            }
+        }
+        else {
+            map.put("title", JSON.getDefault().getMapper().writeValueAsString(title));
+        }
+    }
+    } catch (Exception e) {
+        throw new ApiException(e);
+    }
+
+    return fileTypeFound ? map : new HashMap<>();
+  }
+
+  private boolean isFileTypeOrListOfFiles(Object obj) throws Exception {
+    return obj.getClass().equals(java.io.File.class) || isListOfFile(obj);
+  }
+
+  private boolean isListOfFile(Object obj) throws Exception {
+      return obj instanceof java.util.List && !isListEmpty(obj) && getFromList(obj, 0) instanceof java.io.File;
+  }
+
+  private boolean isListEmpty(Object obj) throws Exception {
+    return (boolean) Class.forName(java.util.List.class.getName()).getMethod("isEmpty").invoke(obj);
+  }
+
+  private Object getFromList(Object obj, int index) throws Exception {
+    return Class.forName(java.util.List.class.getName()).getMethod("get", int.class).invoke(obj, index);
+  }
+
+  private int getListSize(Object obj) throws Exception {
+    return (int) Class.forName(java.util.List.class.getName()).getMethod("size").invoke(obj);
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+
+}
+
diff --git a/sdks/node/README.md b/sdks/node/README.md
index 4aca5d208..edacf04ad 100644
--- a/sdks/node/README.md
+++ b/sdks/node/README.md
@@ -120,6 +120,11 @@ All URIs are relative to *https://api.hellosign.com/v3*
 | *BulkSendJobApi* | [**bulkSendJobList**](./docs/api/BulkSendJobApi.md#bulksendjoblist) | **GET** /bulk_send_job/list | List Bulk Send Jobs |
 | *EmbeddedApi* | [**embeddedEditUrl**](./docs/api/EmbeddedApi.md#embeddedediturl) | **POST** /embedded/edit_url/{template_id} | Get Embedded Template Edit URL |
 | *EmbeddedApi* | [**embeddedSignUrl**](./docs/api/EmbeddedApi.md#embeddedsignurl) | **GET** /embedded/sign_url/{signature_id} | Get Embedded Sign URL |
+| *FaxApi* | [**faxDelete**](./docs/api/FaxApi.md#faxdelete) | **DELETE** /fax/{fax_id} | Delete Fax |
+| *FaxApi* | [**faxFiles**](./docs/api/FaxApi.md#faxfiles) | **GET** /fax/files/{fax_id} | List Fax Files |
+| *FaxApi* | [**faxGet**](./docs/api/FaxApi.md#faxget) | **GET** /fax/{fax_id} | Get Fax |
+| *FaxApi* | [**faxList**](./docs/api/FaxApi.md#faxlist) | **GET** /fax/list | Lists Faxes |
+| *FaxApi* | [**faxSend**](./docs/api/FaxApi.md#faxsend) | **POST** /fax/send | Send Fax |
 | *FaxLineApi* | [**faxLineAddUser**](./docs/api/FaxLineApi.md#faxlineadduser) | **PUT** /fax_line/add_user | Add Fax Line User |
 | *FaxLineApi* | [**faxLineAreaCodeGet**](./docs/api/FaxLineApi.md#faxlineareacodeget) | **GET** /fax_line/area_codes | Get Available Fax Line Area Codes |
 | *FaxLineApi* | [**faxLineCreate**](./docs/api/FaxLineApi.md#faxlinecreate) | **POST** /fax_line/create | Purchase Fax Line |
@@ -208,6 +213,7 @@ All URIs are relative to *https://api.hellosign.com/v3*
 - [EventCallbackRequest](./docs/model/EventCallbackRequest.md)
 - [EventCallbackRequestEvent](./docs/model/EventCallbackRequestEvent.md)
 - [EventCallbackRequestEventMetadata](./docs/model/EventCallbackRequestEventMetadata.md)
+- [FaxGetResponse](./docs/model/FaxGetResponse.md)
 - [FaxLineAddUserRequest](./docs/model/FaxLineAddUserRequest.md)
 - [FaxLineAreaCodeGetCountryEnum](./docs/model/FaxLineAreaCodeGetCountryEnum.md)
 - [FaxLineAreaCodeGetProvinceEnum](./docs/model/FaxLineAreaCodeGetProvinceEnum.md)
@@ -219,6 +225,10 @@ All URIs are relative to *https://api.hellosign.com/v3*
 - [FaxLineRemoveUserRequest](./docs/model/FaxLineRemoveUserRequest.md)
 - [FaxLineResponse](./docs/model/FaxLineResponse.md)
 - [FaxLineResponseFaxLine](./docs/model/FaxLineResponseFaxLine.md)
+- [FaxListResponse](./docs/model/FaxListResponse.md)
+- [FaxResponse](./docs/model/FaxResponse.md)
+- [FaxResponseTransmission](./docs/model/FaxResponseTransmission.md)
+- [FaxSendRequest](./docs/model/FaxSendRequest.md)
 - [FileResponse](./docs/model/FileResponse.md)
 - [FileResponseDataUri](./docs/model/FileResponseDataUri.md)
 - [ListInfoResponse](./docs/model/ListInfoResponse.md)
diff --git a/sdks/node/api/faxApi.ts b/sdks/node/api/faxApi.ts
new file mode 100644
index 000000000..dd9c6df2a
--- /dev/null
+++ b/sdks/node/api/faxApi.ts
@@ -0,0 +1,779 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2023 dropbox.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import axios, { AxiosError, AxiosRequestConfig, AxiosResponse } from "axios";
+
+import {
+  Authentication,
+  FaxGetResponse,
+  FaxListResponse,
+  FaxSendRequest,
+  HttpBasicAuth,
+  HttpBearerAuth,
+  Interceptor,
+  ObjectSerializer,
+  VoidAuth,
+} from "../model";
+
+import {
+  generateFormData,
+  HttpError,
+  optionsI,
+  queryParamsSerializer,
+  returnTypeI,
+  returnTypeT,
+  toFormData,
+  USER_AGENT,
+} from "./";
+
+let defaultBasePath = "https://api.hellosign.com/v3";
+
+// ===============================================
+// This file is autogenerated - Please do not edit
+// ===============================================
+
+export enum FaxApiApiKeys {}
+
+export class FaxApi {
+  protected _basePath = defaultBasePath;
+  protected _defaultHeaders: any = { "User-Agent": USER_AGENT };
+  protected _useQuerystring: boolean = false;
+
+  protected authentications = {
+    default: <Authentication>new VoidAuth(),
+    api_key: new HttpBasicAuth(),
+    oauth2: new HttpBearerAuth(),
+  };
+
+  protected interceptors: Interceptor[] = [];
+
+  constructor(basePath?: string) {
+    if (basePath) {
+      this.basePath = basePath;
+    }
+  }
+
+  set useQuerystring(value: boolean) {
+    this._useQuerystring = value;
+  }
+
+  set basePath(basePath: string) {
+    this._basePath = basePath;
+  }
+
+  set defaultHeaders(defaultHeaders: any) {
+    this._defaultHeaders = { ...defaultHeaders, "User-Agent": USER_AGENT };
+  }
+
+  get defaultHeaders() {
+    return this._defaultHeaders;
+  }
+
+  get basePath() {
+    return this._basePath;
+  }
+
+  public setDefaultAuthentication(auth: Authentication) {
+    this.authentications.default = auth;
+  }
+
+  public setApiKey(key: string) {
+    this.authentications.api_key.username = key;
+  }
+
+  set username(username: string) {
+    this.authentications.api_key.username = username;
+  }
+
+  set password(password: string) {
+    this.authentications.api_key.password = password;
+  }
+
+  set accessToken(accessToken: string | (() => string)) {
+    this.authentications.oauth2.accessToken = accessToken;
+  }
+
+  public addInterceptor(interceptor: Interceptor) {
+    this.interceptors.push(interceptor);
+  }
+
+  /**
+   * Deletes the specified Fax from the system.
+   * @summary Delete Fax
+   * @param faxId Fax ID
+   * @param options
+   */
+  public async faxDelete(
+    faxId: string,
+    options: optionsI = { headers: {} }
+  ): Promise<returnTypeI> {
+    const localVarPath =
+      this.basePath +
+      "/fax/{fax_id}".replace(
+        "{" + "fax_id" + "}",
+        encodeURIComponent(String(faxId))
+      );
+    let localVarQueryParameters: any = {};
+    let localVarHeaderParams: any = (<any>Object).assign(
+      {},
+      this._defaultHeaders
+    );
+    const produces = ["application/json"];
+    // give precedence to 'application/json'
+    if (produces.indexOf("application/json") >= 0) {
+      localVarHeaderParams["content-type"] = "application/json";
+    } else {
+      localVarHeaderParams["content-type"] = produces.join(",");
+    }
+    let localVarFormParams: any = {};
+    let localVarBodyParams: any = undefined;
+
+    // verify required parameter 'faxId' is not null or undefined
+    if (faxId === null || faxId === undefined) {
+      throw new Error(
+        "Required parameter faxId was null or undefined when calling faxDelete."
+      );
+    }
+
+    (<any>Object).assign(localVarHeaderParams, options.headers);
+
+    let localVarUseFormData = false;
+
+    let localVarRequestOptions: AxiosRequestConfig = {
+      method: "DELETE",
+      params: localVarQueryParameters,
+      headers: localVarHeaderParams,
+      url: localVarPath,
+      paramsSerializer: this._useQuerystring
+        ? queryParamsSerializer
+        : undefined,
+      maxContentLength: Infinity,
+      maxBodyLength: Infinity,
+      responseType: "json",
+    };
+
+    let authenticationPromise = Promise.resolve();
+    if (this.authentications.api_key.username) {
+      authenticationPromise = authenticationPromise.then(() =>
+        this.authentications.api_key.applyToRequest(localVarRequestOptions)
+      );
+    }
+    authenticationPromise = authenticationPromise.then(() =>
+      this.authentications.default.applyToRequest(localVarRequestOptions)
+    );
+
+    let interceptorPromise = authenticationPromise;
+    for (const interceptor of this.interceptors) {
+      interceptorPromise = interceptorPromise.then(() =>
+        interceptor(localVarRequestOptions)
+      );
+    }
+
+    return interceptorPromise.then(() => {
+      return new Promise<returnTypeI>((resolve, reject) => {
+        axios.request(localVarRequestOptions).then(
+          (response) => {
+            handleSuccessfulResponse(resolve, reject, response);
+          },
+          (error: AxiosError) => {
+            if (error.response == null) {
+              reject(error);
+              return;
+            }
+
+            if (
+              handleErrorRangeResponse(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )
+            ) {
+              return;
+            }
+
+            reject(error);
+          }
+        );
+      });
+    });
+  }
+  /**
+   * Returns list of fax files
+   * @summary List Fax Files
+   * @param faxId Fax ID
+   * @param options
+   */
+  public async faxFiles(
+    faxId: string,
+    options: optionsI = { headers: {} }
+  ): Promise<returnTypeT<Buffer>> {
+    const localVarPath =
+      this.basePath +
+      "/fax/files/{fax_id}".replace(
+        "{" + "fax_id" + "}",
+        encodeURIComponent(String(faxId))
+      );
+    let localVarQueryParameters: any = {};
+    let localVarHeaderParams: any = (<any>Object).assign(
+      {},
+      this._defaultHeaders
+    );
+    const produces = ["application/pdf", "application/json"];
+    // give precedence to 'application/json'
+    if (produces.indexOf("application/json") >= 0) {
+      localVarHeaderParams["content-type"] = "application/json";
+    } else {
+      localVarHeaderParams["content-type"] = produces.join(",");
+    }
+    let localVarFormParams: any = {};
+    let localVarBodyParams: any = undefined;
+
+    // verify required parameter 'faxId' is not null or undefined
+    if (faxId === null || faxId === undefined) {
+      throw new Error(
+        "Required parameter faxId was null or undefined when calling faxFiles."
+      );
+    }
+
+    (<any>Object).assign(localVarHeaderParams, options.headers);
+
+    let localVarUseFormData = false;
+
+    let localVarRequestOptions: AxiosRequestConfig = {
+      method: "GET",
+      params: localVarQueryParameters,
+      headers: localVarHeaderParams,
+      url: localVarPath,
+      paramsSerializer: this._useQuerystring
+        ? queryParamsSerializer
+        : undefined,
+      maxContentLength: Infinity,
+      maxBodyLength: Infinity,
+      responseType: "arraybuffer",
+    };
+
+    let authenticationPromise = Promise.resolve();
+    if (this.authentications.api_key.username) {
+      authenticationPromise = authenticationPromise.then(() =>
+        this.authentications.api_key.applyToRequest(localVarRequestOptions)
+      );
+    }
+    authenticationPromise = authenticationPromise.then(() =>
+      this.authentications.default.applyToRequest(localVarRequestOptions)
+    );
+
+    let interceptorPromise = authenticationPromise;
+    for (const interceptor of this.interceptors) {
+      interceptorPromise = interceptorPromise.then(() =>
+        interceptor(localVarRequestOptions)
+      );
+    }
+
+    return interceptorPromise.then(() => {
+      return new Promise<returnTypeT<Buffer>>((resolve, reject) => {
+        axios.request(localVarRequestOptions).then(
+          (response) => {
+            handleSuccessfulResponse<Buffer>(
+              resolve,
+              reject,
+              response,
+              "Buffer"
+            );
+          },
+          (error: AxiosError) => {
+            if (error.response == null) {
+              reject(error);
+              return;
+            }
+
+            if (
+              handleErrorCodeResponse(
+                reject,
+                error.response,
+                200,
+                "RequestFile"
+              )
+            ) {
+              return;
+            }
+
+            if (
+              handleErrorRangeResponse(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )
+            ) {
+              return;
+            }
+
+            reject(error);
+          }
+        );
+      });
+    });
+  }
+  /**
+   * Returns information about fax
+   * @summary Get Fax
+   * @param faxId Fax ID
+   * @param options
+   */
+  public async faxGet(
+    faxId: string,
+    options: optionsI = { headers: {} }
+  ): Promise<returnTypeT<FaxGetResponse>> {
+    const localVarPath =
+      this.basePath +
+      "/fax/{fax_id}".replace(
+        "{" + "fax_id" + "}",
+        encodeURIComponent(String(faxId))
+      );
+    let localVarQueryParameters: any = {};
+    let localVarHeaderParams: any = (<any>Object).assign(
+      {},
+      this._defaultHeaders
+    );
+    const produces = ["application/json"];
+    // give precedence to 'application/json'
+    if (produces.indexOf("application/json") >= 0) {
+      localVarHeaderParams["content-type"] = "application/json";
+    } else {
+      localVarHeaderParams["content-type"] = produces.join(",");
+    }
+    let localVarFormParams: any = {};
+    let localVarBodyParams: any = undefined;
+
+    // verify required parameter 'faxId' is not null or undefined
+    if (faxId === null || faxId === undefined) {
+      throw new Error(
+        "Required parameter faxId was null or undefined when calling faxGet."
+      );
+    }
+
+    (<any>Object).assign(localVarHeaderParams, options.headers);
+
+    let localVarUseFormData = false;
+
+    let localVarRequestOptions: AxiosRequestConfig = {
+      method: "GET",
+      params: localVarQueryParameters,
+      headers: localVarHeaderParams,
+      url: localVarPath,
+      paramsSerializer: this._useQuerystring
+        ? queryParamsSerializer
+        : undefined,
+      maxContentLength: Infinity,
+      maxBodyLength: Infinity,
+      responseType: "json",
+    };
+
+    let authenticationPromise = Promise.resolve();
+    if (this.authentications.api_key.username) {
+      authenticationPromise = authenticationPromise.then(() =>
+        this.authentications.api_key.applyToRequest(localVarRequestOptions)
+      );
+    }
+    authenticationPromise = authenticationPromise.then(() =>
+      this.authentications.default.applyToRequest(localVarRequestOptions)
+    );
+
+    let interceptorPromise = authenticationPromise;
+    for (const interceptor of this.interceptors) {
+      interceptorPromise = interceptorPromise.then(() =>
+        interceptor(localVarRequestOptions)
+      );
+    }
+
+    return interceptorPromise.then(() => {
+      return new Promise<returnTypeT<FaxGetResponse>>((resolve, reject) => {
+        axios.request(localVarRequestOptions).then(
+          (response) => {
+            handleSuccessfulResponse<FaxGetResponse>(
+              resolve,
+              reject,
+              response,
+              "FaxGetResponse"
+            );
+          },
+          (error: AxiosError) => {
+            if (error.response == null) {
+              reject(error);
+              return;
+            }
+
+            if (
+              handleErrorCodeResponse(
+                reject,
+                error.response,
+                200,
+                "FaxGetResponse"
+              )
+            ) {
+              return;
+            }
+
+            if (
+              handleErrorRangeResponse(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )
+            ) {
+              return;
+            }
+
+            reject(error);
+          }
+        );
+      });
+    });
+  }
+  /**
+   * Returns properties of multiple faxes
+   * @summary Lists Faxes
+   * @param page Page
+   * @param pageSize Page size
+   * @param options
+   */
+  public async faxList(
+    page?: number,
+    pageSize?: number,
+    options: optionsI = { headers: {} }
+  ): Promise<returnTypeT<FaxListResponse>> {
+    const localVarPath = this.basePath + "/fax/list";
+    let localVarQueryParameters: any = {};
+    let localVarHeaderParams: any = (<any>Object).assign(
+      {},
+      this._defaultHeaders
+    );
+    const produces = ["application/json"];
+    // give precedence to 'application/json'
+    if (produces.indexOf("application/json") >= 0) {
+      localVarHeaderParams["content-type"] = "application/json";
+    } else {
+      localVarHeaderParams["content-type"] = produces.join(",");
+    }
+    let localVarFormParams: any = {};
+    let localVarBodyParams: any = undefined;
+
+    if (page !== undefined) {
+      localVarQueryParameters["page"] = ObjectSerializer.serialize(
+        page,
+        "number"
+      );
+    }
+
+    if (pageSize !== undefined) {
+      localVarQueryParameters["page_size"] = ObjectSerializer.serialize(
+        pageSize,
+        "number"
+      );
+    }
+
+    (<any>Object).assign(localVarHeaderParams, options.headers);
+
+    let localVarUseFormData = false;
+
+    let localVarRequestOptions: AxiosRequestConfig = {
+      method: "GET",
+      params: localVarQueryParameters,
+      headers: localVarHeaderParams,
+      url: localVarPath,
+      paramsSerializer: this._useQuerystring
+        ? queryParamsSerializer
+        : undefined,
+      maxContentLength: Infinity,
+      maxBodyLength: Infinity,
+      responseType: "json",
+    };
+
+    let authenticationPromise = Promise.resolve();
+    if (this.authentications.api_key.username) {
+      authenticationPromise = authenticationPromise.then(() =>
+        this.authentications.api_key.applyToRequest(localVarRequestOptions)
+      );
+    }
+    authenticationPromise = authenticationPromise.then(() =>
+      this.authentications.default.applyToRequest(localVarRequestOptions)
+    );
+
+    let interceptorPromise = authenticationPromise;
+    for (const interceptor of this.interceptors) {
+      interceptorPromise = interceptorPromise.then(() =>
+        interceptor(localVarRequestOptions)
+      );
+    }
+
+    return interceptorPromise.then(() => {
+      return new Promise<returnTypeT<FaxListResponse>>((resolve, reject) => {
+        axios.request(localVarRequestOptions).then(
+          (response) => {
+            handleSuccessfulResponse<FaxListResponse>(
+              resolve,
+              reject,
+              response,
+              "FaxListResponse"
+            );
+          },
+          (error: AxiosError) => {
+            if (error.response == null) {
+              reject(error);
+              return;
+            }
+
+            if (
+              handleErrorCodeResponse(
+                reject,
+                error.response,
+                200,
+                "FaxListResponse"
+              )
+            ) {
+              return;
+            }
+
+            if (
+              handleErrorRangeResponse(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )
+            ) {
+              return;
+            }
+
+            reject(error);
+          }
+        );
+      });
+    });
+  }
+  /**
+   * Action to prepare and send a fax
+   * @summary Send Fax
+   * @param faxSendRequest
+   * @param options
+   */
+  public async faxSend(
+    faxSendRequest: FaxSendRequest,
+    options: optionsI = { headers: {} }
+  ): Promise<returnTypeT<FaxGetResponse>> {
+    faxSendRequest = deserializeIfNeeded(faxSendRequest, "FaxSendRequest");
+    const localVarPath = this.basePath + "/fax/send";
+    let localVarQueryParameters: any = {};
+    let localVarHeaderParams: any = (<any>Object).assign(
+      {},
+      this._defaultHeaders
+    );
+    const produces = ["application/json"];
+    // give precedence to 'application/json'
+    if (produces.indexOf("application/json") >= 0) {
+      localVarHeaderParams["content-type"] = "application/json";
+    } else {
+      localVarHeaderParams["content-type"] = produces.join(",");
+    }
+    let localVarFormParams: any = {};
+    let localVarBodyParams: any = undefined;
+
+    // verify required parameter 'faxSendRequest' is not null or undefined
+    if (faxSendRequest === null || faxSendRequest === undefined) {
+      throw new Error(
+        "Required parameter faxSendRequest was null or undefined when calling faxSend."
+      );
+    }
+
+    (<any>Object).assign(localVarHeaderParams, options.headers);
+
+    let localVarUseFormData = false;
+
+    const result = generateFormData(
+      faxSendRequest,
+      FaxSendRequest.attributeTypeMap
+    );
+    localVarUseFormData = result.localVarUseFormData;
+
+    let data = {};
+    if (localVarUseFormData) {
+      const formData = toFormData(result.data);
+      data = formData;
+      localVarHeaderParams = {
+        ...localVarHeaderParams,
+        ...formData.getHeaders(),
+      };
+    } else {
+      data = ObjectSerializer.serialize(faxSendRequest, "FaxSendRequest");
+    }
+
+    let localVarRequestOptions: AxiosRequestConfig = {
+      method: "POST",
+      params: localVarQueryParameters,
+      headers: localVarHeaderParams,
+      url: localVarPath,
+      paramsSerializer: this._useQuerystring
+        ? queryParamsSerializer
+        : undefined,
+      maxContentLength: Infinity,
+      maxBodyLength: Infinity,
+      responseType: "json",
+      data,
+    };
+
+    let authenticationPromise = Promise.resolve();
+    if (this.authentications.api_key.username) {
+      authenticationPromise = authenticationPromise.then(() =>
+        this.authentications.api_key.applyToRequest(localVarRequestOptions)
+      );
+    }
+    authenticationPromise = authenticationPromise.then(() =>
+      this.authentications.default.applyToRequest(localVarRequestOptions)
+    );
+
+    let interceptorPromise = authenticationPromise;
+    for (const interceptor of this.interceptors) {
+      interceptorPromise = interceptorPromise.then(() =>
+        interceptor(localVarRequestOptions)
+      );
+    }
+
+    return interceptorPromise.then(() => {
+      return new Promise<returnTypeT<FaxGetResponse>>((resolve, reject) => {
+        axios.request(localVarRequestOptions).then(
+          (response) => {
+            handleSuccessfulResponse<FaxGetResponse>(
+              resolve,
+              reject,
+              response,
+              "FaxGetResponse"
+            );
+          },
+          (error: AxiosError) => {
+            if (error.response == null) {
+              reject(error);
+              return;
+            }
+
+            if (
+              handleErrorCodeResponse(
+                reject,
+                error.response,
+                200,
+                "FaxGetResponse"
+              )
+            ) {
+              return;
+            }
+
+            if (
+              handleErrorRangeResponse(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )
+            ) {
+              return;
+            }
+
+            reject(error);
+          }
+        );
+      });
+    });
+  }
+}
+
+function deserializeIfNeeded<T>(obj: T, classname: string): T {
+  if (obj !== null && obj !== undefined && obj.constructor.name !== classname) {
+    return ObjectSerializer.deserialize(obj, classname);
+  }
+
+  return obj;
+}
+
+type AxiosResolve<T> = (
+  value: returnTypeT<T> | PromiseLike<returnTypeT<T>>
+) => void;
+
+type AxiosReject = (reason?: any) => void;
+
+function handleSuccessfulResponse<T>(
+  resolve: AxiosResolve<T>,
+  reject: AxiosReject,
+  response: AxiosResponse,
+  returnType?: string
+) {
+  let body = response.data;
+
+  if (response.status && response.status >= 200 && response.status <= 299) {
+    if (returnType) {
+      body = ObjectSerializer.deserialize(body, returnType);
+    }
+
+    resolve({ response: response, body: body });
+  } else {
+    reject(new HttpError(response, body, response.status));
+  }
+}
+
+function handleErrorCodeResponse(
+  reject: AxiosReject,
+  response: AxiosResponse,
+  code: number,
+  returnType: string
+): boolean {
+  if (response.status !== code) {
+    return false;
+  }
+
+  const body = ObjectSerializer.deserialize(response.data, returnType);
+
+  reject(new HttpError(response, body, response.status));
+
+  return true;
+}
+
+function handleErrorRangeResponse(
+  reject: AxiosReject,
+  response: AxiosResponse,
+  code: string,
+  returnType: string
+): boolean {
+  let rangeCodeLeft = Number(code[0] + "00");
+  let rangeCodeRight = Number(code[0] + "99");
+
+  if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
+    const body = ObjectSerializer.deserialize(response.data, returnType);
+
+    reject(new HttpError(response, body, response.status));
+
+    return true;
+  }
+
+  return false;
+}
diff --git a/sdks/node/api/index.ts b/sdks/node/api/index.ts
index 1304b009a..d32b5b1b7 100644
--- a/sdks/node/api/index.ts
+++ b/sdks/node/api/index.ts
@@ -2,6 +2,7 @@ import { AccountApi } from "./accountApi";
 import { ApiAppApi } from "./apiAppApi";
 import { BulkSendJobApi } from "./bulkSendJobApi";
 import { EmbeddedApi } from "./embeddedApi";
+import { FaxApi } from "./faxApi";
 import { FaxLineApi } from "./faxLineApi";
 import { OAuthApi } from "./oAuthApi";
 import { ReportApi } from "./reportApi";
@@ -15,6 +16,7 @@ export {
   ApiAppApi,
   BulkSendJobApi,
   EmbeddedApi,
+  FaxApi,
   FaxLineApi,
   OAuthApi,
   ReportApi,
@@ -40,6 +42,7 @@ export const APIS = [
   ApiAppApi,
   BulkSendJobApi,
   EmbeddedApi,
+  FaxApi,
   FaxLineApi,
   OAuthApi,
   ReportApi,
diff --git a/sdks/node/dist/api.js b/sdks/node/dist/api.js
index 27094d35b..74d7dd106 100644
--- a/sdks/node/dist/api.js
+++ b/sdks/node/dist/api.js
@@ -12976,6 +12976,8 @@ __export(api_exports, {
   EventCallbackRequest: () => EventCallbackRequest,
   EventCallbackRequestEvent: () => EventCallbackRequestEvent,
   EventCallbackRequestEventMetadata: () => EventCallbackRequestEventMetadata,
+  FaxApi: () => FaxApi,
+  FaxGetResponse: () => FaxGetResponse,
   FaxLineAddUserRequest: () => FaxLineAddUserRequest,
   FaxLineApi: () => FaxLineApi,
   FaxLineAreaCodeGetCountryEnum: () => FaxLineAreaCodeGetCountryEnum,
@@ -12988,6 +12990,10 @@ __export(api_exports, {
   FaxLineRemoveUserRequest: () => FaxLineRemoveUserRequest,
   FaxLineResponse: () => FaxLineResponse,
   FaxLineResponseFaxLine: () => FaxLineResponseFaxLine,
+  FaxListResponse: () => FaxListResponse,
+  FaxResponse: () => FaxResponse,
+  FaxResponseTransmission: () => FaxResponseTransmission,
+  FaxSendRequest: () => FaxSendRequest,
   FileResponse: () => FileResponse,
   FileResponseDataUri: () => FileResponseDataUri,
   HttpBasicAuth: () => HttpBasicAuth,
@@ -17692,6 +17698,30 @@ EventCallbackRequestEventMetadata.attributeTypeMap = [
   }
 ];
 
+// model/faxGetResponse.ts
+var _FaxGetResponse = class {
+  static getAttributeTypeMap() {
+    return _FaxGetResponse.attributeTypeMap;
+  }
+  static init(data) {
+    return ObjectSerializer.deserialize(data, "FaxGetResponse");
+  }
+};
+var FaxGetResponse = _FaxGetResponse;
+FaxGetResponse.discriminator = void 0;
+FaxGetResponse.attributeTypeMap = [
+  {
+    name: "fax",
+    baseName: "fax",
+    type: "FaxResponse"
+  },
+  {
+    name: "warnings",
+    baseName: "warnings",
+    type: "Array<WarningResponse>"
+  }
+];
+
 // model/faxLineAddUserRequest.ts
 var _FaxLineAddUserRequest = class {
   static getAttributeTypeMap() {
@@ -17999,6 +18029,203 @@ FaxLineResponseFaxLine.attributeTypeMap = [
   }
 ];
 
+// model/faxListResponse.ts
+var _FaxListResponse = class {
+  static getAttributeTypeMap() {
+    return _FaxListResponse.attributeTypeMap;
+  }
+  static init(data) {
+    return ObjectSerializer.deserialize(data, "FaxListResponse");
+  }
+};
+var FaxListResponse = _FaxListResponse;
+FaxListResponse.discriminator = void 0;
+FaxListResponse.attributeTypeMap = [
+  {
+    name: "faxes",
+    baseName: "faxes",
+    type: "Array<FaxResponse>"
+  },
+  {
+    name: "listInfo",
+    baseName: "list_info",
+    type: "ListInfoResponse"
+  }
+];
+
+// model/faxResponse.ts
+var _FaxResponse = class {
+  static getAttributeTypeMap() {
+    return _FaxResponse.attributeTypeMap;
+  }
+  static init(data) {
+    return ObjectSerializer.deserialize(data, "FaxResponse");
+  }
+};
+var FaxResponse = _FaxResponse;
+FaxResponse.discriminator = void 0;
+FaxResponse.attributeTypeMap = [
+  {
+    name: "faxId",
+    baseName: "fax_id",
+    type: "string"
+  },
+  {
+    name: "title",
+    baseName: "title",
+    type: "string"
+  },
+  {
+    name: "originalTitle",
+    baseName: "original_title",
+    type: "string"
+  },
+  {
+    name: "subject",
+    baseName: "subject",
+    type: "string"
+  },
+  {
+    name: "message",
+    baseName: "message",
+    type: "string"
+  },
+  {
+    name: "metadata",
+    baseName: "metadata",
+    type: "{ [key: string]: any; }"
+  },
+  {
+    name: "createdAt",
+    baseName: "created_at",
+    type: "number"
+  },
+  {
+    name: "sender",
+    baseName: "sender",
+    type: "string"
+  },
+  {
+    name: "transmissions",
+    baseName: "transmissions",
+    type: "Array<FaxResponseTransmission>"
+  },
+  {
+    name: "filesUrl",
+    baseName: "files_url",
+    type: "string"
+  }
+];
+
+// model/faxResponseTransmission.ts
+var _FaxResponseTransmission = class {
+  static getAttributeTypeMap() {
+    return _FaxResponseTransmission.attributeTypeMap;
+  }
+  static init(data) {
+    return ObjectSerializer.deserialize(data, "FaxResponseTransmission");
+  }
+};
+var FaxResponseTransmission = _FaxResponseTransmission;
+FaxResponseTransmission.discriminator = void 0;
+FaxResponseTransmission.attributeTypeMap = [
+  {
+    name: "recipient",
+    baseName: "recipient",
+    type: "string"
+  },
+  {
+    name: "sender",
+    baseName: "sender",
+    type: "string"
+  },
+  {
+    name: "statusCode",
+    baseName: "status_code",
+    type: "FaxResponseTransmission.StatusCodeEnum"
+  },
+  {
+    name: "sentAt",
+    baseName: "sent_at",
+    type: "number"
+  }
+];
+((FaxResponseTransmission2) => {
+  let StatusCodeEnum;
+  ((StatusCodeEnum2) => {
+    StatusCodeEnum2["Success"] = "success";
+    StatusCodeEnum2["Transmitting"] = "transmitting";
+    StatusCodeEnum2["ErrorCouldNotFax"] = "error_could_not_fax";
+    StatusCodeEnum2["ErrorUnknown"] = "error_unknown";
+    StatusCodeEnum2["ErrorBusy"] = "error_busy";
+    StatusCodeEnum2["ErrorNoAnswer"] = "error_no_answer";
+    StatusCodeEnum2["ErrorDisconnected"] = "error_disconnected";
+    StatusCodeEnum2["ErrorBadDestination"] = "error_bad_destination";
+  })(StatusCodeEnum = FaxResponseTransmission2.StatusCodeEnum || (FaxResponseTransmission2.StatusCodeEnum = {}));
+})(FaxResponseTransmission || (FaxResponseTransmission = {}));
+
+// model/faxSendRequest.ts
+var _FaxSendRequest = class {
+  constructor() {
+    this["testMode"] = false;
+  }
+  static getAttributeTypeMap() {
+    return _FaxSendRequest.attributeTypeMap;
+  }
+  static init(data) {
+    return ObjectSerializer.deserialize(data, "FaxSendRequest");
+  }
+};
+var FaxSendRequest = _FaxSendRequest;
+FaxSendRequest.discriminator = void 0;
+FaxSendRequest.attributeTypeMap = [
+  {
+    name: "recipient",
+    baseName: "recipient",
+    type: "string"
+  },
+  {
+    name: "sender",
+    baseName: "sender",
+    type: "string"
+  },
+  {
+    name: "files",
+    baseName: "files",
+    type: "Array<RequestFile>"
+  },
+  {
+    name: "fileUrls",
+    baseName: "file_urls",
+    type: "Array<string>"
+  },
+  {
+    name: "testMode",
+    baseName: "test_mode",
+    type: "boolean"
+  },
+  {
+    name: "coverPageTo",
+    baseName: "cover_page_to",
+    type: "string"
+  },
+  {
+    name: "coverPageFrom",
+    baseName: "cover_page_from",
+    type: "string"
+  },
+  {
+    name: "coverPageMessage",
+    baseName: "cover_page_message",
+    type: "string"
+  },
+  {
+    name: "title",
+    baseName: "title",
+    type: "string"
+  }
+];
+
 // model/fileResponse.ts
 var _FileResponse = class {
   static getAttributeTypeMap() {
@@ -24462,6 +24689,7 @@ var enumsMap = {
   FaxLineAreaCodeGetProvinceEnum,
   FaxLineAreaCodeGetStateEnum,
   "FaxLineCreateRequest.CountryEnum": FaxLineCreateRequest.CountryEnum,
+  "FaxResponseTransmission.StatusCodeEnum": FaxResponseTransmission.StatusCodeEnum,
   "ReportCreateRequest.ReportTypeEnum": ReportCreateRequest.ReportTypeEnum,
   "ReportResponse.ReportTypeEnum": ReportResponse.ReportTypeEnum,
   SignatureRequestResponseCustomFieldTypeEnum,
@@ -24524,6 +24752,7 @@ var typeMap = {
   EventCallbackRequest,
   EventCallbackRequestEvent,
   EventCallbackRequestEventMetadata,
+  FaxGetResponse,
   FaxLineAddUserRequest,
   FaxLineAreaCodeGetResponse,
   FaxLineCreateRequest,
@@ -24532,6 +24761,10 @@ var typeMap = {
   FaxLineRemoveUserRequest,
   FaxLineResponse,
   FaxLineResponseFaxLine,
+  FaxListResponse,
+  FaxResponse,
+  FaxResponseTransmission,
+  FaxSendRequest,
   FileResponse,
   FileResponseDataUri,
   ListInfoResponse,
@@ -26392,9 +26625,9 @@ function handleErrorRangeResponse4(reject, response, code, returnType) {
   return false;
 }
 
-// api/faxLineApi.ts
+// api/faxApi.ts
 var defaultBasePath5 = "https://api.hellosign.com/v3";
-var FaxLineApi = class {
+var FaxApi = class {
   constructor(basePath) {
     this._basePath = defaultBasePath5;
     this._defaultHeaders = { "User-Agent": USER_AGENT };
@@ -26442,13 +26675,12 @@ var FaxLineApi = class {
   addInterceptor(interceptor) {
     this.interceptors.push(interceptor);
   }
-  faxLineAddUser(_0) {
-    return __async(this, arguments, function* (faxLineAddUserRequest, options = { headers: {} }) {
-      faxLineAddUserRequest = deserializeIfNeeded4(
-        faxLineAddUserRequest,
-        "FaxLineAddUserRequest"
+  faxDelete(_0) {
+    return __async(this, arguments, function* (faxId, options = { headers: {} }) {
+      const localVarPath = this.basePath + "/fax/{fax_id}".replace(
+        "{fax_id}",
+        encodeURIComponent(String(faxId))
       );
-      const localVarPath = this.basePath + "/fax_line/add_user";
       let localVarQueryParameters = {};
       let localVarHeaderParams = Object.assign(
         {},
@@ -26462,39 +26694,22 @@ var FaxLineApi = class {
       }
       let localVarFormParams = {};
       let localVarBodyParams = void 0;
-      if (faxLineAddUserRequest === null || faxLineAddUserRequest === void 0) {
+      if (faxId === null || faxId === void 0) {
         throw new Error(
-          "Required parameter faxLineAddUserRequest was null or undefined when calling faxLineAddUser."
+          "Required parameter faxId was null or undefined when calling faxDelete."
         );
       }
       Object.assign(localVarHeaderParams, options.headers);
       let localVarUseFormData = false;
-      const result = generateFormData(
-        faxLineAddUserRequest,
-        FaxLineAddUserRequest.attributeTypeMap
-      );
-      localVarUseFormData = result.localVarUseFormData;
-      let data = {};
-      if (localVarUseFormData) {
-        const formData2 = toFormData3(result.data);
-        data = formData2;
-        localVarHeaderParams = __spreadValues(__spreadValues({}, localVarHeaderParams), formData2.getHeaders());
-      } else {
-        data = ObjectSerializer.serialize(
-          faxLineAddUserRequest,
-          "FaxLineAddUserRequest"
-        );
-      }
       let localVarRequestOptions = {
-        method: "PUT",
+        method: "DELETE",
         params: localVarQueryParameters,
         headers: localVarHeaderParams,
         url: localVarPath,
         paramsSerializer: this._useQuerystring ? queryParamsSerializer : void 0,
         maxContentLength: Infinity,
         maxBodyLength: Infinity,
-        responseType: "json",
-        data
+        responseType: "json"
       };
       let authenticationPromise = Promise.resolve();
       if (this.authentications.api_key.username) {
@@ -26515,26 +26730,13 @@ var FaxLineApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse5(
-                resolve,
-                reject,
-                response,
-                "FaxLineResponse"
-              );
+              handleSuccessfulResponse5(resolve, reject, response);
             },
             (error) => {
               if (error.response == null) {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse5(
-                reject,
-                error.response,
-                200,
-                "FaxLineResponse"
-              )) {
-                return;
-              }
               if (handleErrorRangeResponse5(
                 reject,
                 error.response,
@@ -26550,15 +26752,18 @@ var FaxLineApi = class {
       });
     });
   }
-  faxLineAreaCodeGet(_0, _1, _2, _3) {
-    return __async(this, arguments, function* (country, state, province, city, options = { headers: {} }) {
-      const localVarPath = this.basePath + "/fax_line/area_codes";
+  faxFiles(_0) {
+    return __async(this, arguments, function* (faxId, options = { headers: {} }) {
+      const localVarPath = this.basePath + "/fax/files/{fax_id}".replace(
+        "{fax_id}",
+        encodeURIComponent(String(faxId))
+      );
       let localVarQueryParameters = {};
       let localVarHeaderParams = Object.assign(
         {},
         this._defaultHeaders
       );
-      const produces = ["application/json"];
+      const produces = ["application/pdf", "application/json"];
       if (produces.indexOf("application/json") >= 0) {
         localVarHeaderParams["content-type"] = "application/json";
       } else {
@@ -26566,33 +26771,9 @@ var FaxLineApi = class {
       }
       let localVarFormParams = {};
       let localVarBodyParams = void 0;
-      if (country === null || country === void 0) {
+      if (faxId === null || faxId === void 0) {
         throw new Error(
-          "Required parameter country was null or undefined when calling faxLineAreaCodeGet."
-        );
-      }
-      if (country !== void 0) {
-        localVarQueryParameters["country"] = ObjectSerializer.serialize(
-          country,
-          "'CA' | 'US' | 'UK'"
-        );
-      }
-      if (state !== void 0) {
-        localVarQueryParameters["state"] = ObjectSerializer.serialize(
-          state,
-          "'AK' | 'AL' | 'AR' | 'AZ' | 'CA' | 'CO' | 'CT' | 'DC' | 'DE' | 'FL' | 'GA' | 'HI' | 'IA' | 'ID' | 'IL' | 'IN' | 'KS' | 'KY' | 'LA' | 'MA' | 'MD' | 'ME' | 'MI' | 'MN' | 'MO' | 'MS' | 'MT' | 'NC' | 'ND' | 'NE' | 'NH' | 'NJ' | 'NM' | 'NV' | 'NY' | 'OH' | 'OK' | 'OR' | 'PA' | 'RI' | 'SC' | 'SD' | 'TN' | 'TX' | 'UT' | 'VA' | 'VT' | 'WA' | 'WI' | 'WV' | 'WY'"
-        );
-      }
-      if (province !== void 0) {
-        localVarQueryParameters["province"] = ObjectSerializer.serialize(
-          province,
-          "'AB' | 'BC' | 'MB' | 'NB' | 'NL' | 'NT' | 'NS' | 'NU' | 'ON' | 'PE' | 'QC' | 'SK' | 'YT'"
-        );
-      }
-      if (city !== void 0) {
-        localVarQueryParameters["city"] = ObjectSerializer.serialize(
-          city,
-          "string"
+          "Required parameter faxId was null or undefined when calling faxFiles."
         );
       }
       Object.assign(localVarHeaderParams, options.headers);
@@ -26605,7 +26786,7 @@ var FaxLineApi = class {
         paramsSerializer: this._useQuerystring ? queryParamsSerializer : void 0,
         maxContentLength: Infinity,
         maxBodyLength: Infinity,
-        responseType: "json"
+        responseType: "arraybuffer"
       };
       let authenticationPromise = Promise.resolve();
       if (this.authentications.api_key.username) {
@@ -26623,49 +26804,641 @@ var FaxLineApi = class {
         );
       }
       return interceptorPromise.then(() => {
-        return new Promise(
-          (resolve, reject) => {
-            axios_default.request(localVarRequestOptions).then(
-              (response) => {
-                handleSuccessfulResponse5(
-                  resolve,
-                  reject,
-                  response,
-                  "FaxLineAreaCodeGetResponse"
-                );
-              },
-              (error) => {
-                if (error.response == null) {
-                  reject(error);
-                  return;
-                }
-                if (handleErrorCodeResponse5(
-                  reject,
-                  error.response,
-                  200,
-                  "FaxLineAreaCodeGetResponse"
-                )) {
-                  return;
-                }
-                if (handleErrorRangeResponse5(
-                  reject,
-                  error.response,
-                  "4XX",
-                  "ErrorResponse"
-                )) {
-                  return;
-                }
-                reject(error);
-              }
-            );
-          }
-        );
+        return new Promise((resolve, reject) => {
+          axios_default.request(localVarRequestOptions).then(
+            (response) => {
+              handleSuccessfulResponse5(
+                resolve,
+                reject,
+                response,
+                "Buffer"
+              );
+            },
+            (error) => {
+              if (error.response == null) {
+                reject(error);
+                return;
+              }
+              if (handleErrorCodeResponse5(
+                reject,
+                error.response,
+                200,
+                "RequestFile"
+              )) {
+                return;
+              }
+              if (handleErrorRangeResponse5(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )) {
+                return;
+              }
+              reject(error);
+            }
+          );
+        });
+      });
+    });
+  }
+  faxGet(_0) {
+    return __async(this, arguments, function* (faxId, options = { headers: {} }) {
+      const localVarPath = this.basePath + "/fax/{fax_id}".replace(
+        "{fax_id}",
+        encodeURIComponent(String(faxId))
+      );
+      let localVarQueryParameters = {};
+      let localVarHeaderParams = Object.assign(
+        {},
+        this._defaultHeaders
+      );
+      const produces = ["application/json"];
+      if (produces.indexOf("application/json") >= 0) {
+        localVarHeaderParams["content-type"] = "application/json";
+      } else {
+        localVarHeaderParams["content-type"] = produces.join(",");
+      }
+      let localVarFormParams = {};
+      let localVarBodyParams = void 0;
+      if (faxId === null || faxId === void 0) {
+        throw new Error(
+          "Required parameter faxId was null or undefined when calling faxGet."
+        );
+      }
+      Object.assign(localVarHeaderParams, options.headers);
+      let localVarUseFormData = false;
+      let localVarRequestOptions = {
+        method: "GET",
+        params: localVarQueryParameters,
+        headers: localVarHeaderParams,
+        url: localVarPath,
+        paramsSerializer: this._useQuerystring ? queryParamsSerializer : void 0,
+        maxContentLength: Infinity,
+        maxBodyLength: Infinity,
+        responseType: "json"
+      };
+      let authenticationPromise = Promise.resolve();
+      if (this.authentications.api_key.username) {
+        authenticationPromise = authenticationPromise.then(
+          () => this.authentications.api_key.applyToRequest(localVarRequestOptions)
+        );
+      }
+      authenticationPromise = authenticationPromise.then(
+        () => this.authentications.default.applyToRequest(localVarRequestOptions)
+      );
+      let interceptorPromise = authenticationPromise;
+      for (const interceptor of this.interceptors) {
+        interceptorPromise = interceptorPromise.then(
+          () => interceptor(localVarRequestOptions)
+        );
+      }
+      return interceptorPromise.then(() => {
+        return new Promise((resolve, reject) => {
+          axios_default.request(localVarRequestOptions).then(
+            (response) => {
+              handleSuccessfulResponse5(
+                resolve,
+                reject,
+                response,
+                "FaxGetResponse"
+              );
+            },
+            (error) => {
+              if (error.response == null) {
+                reject(error);
+                return;
+              }
+              if (handleErrorCodeResponse5(
+                reject,
+                error.response,
+                200,
+                "FaxGetResponse"
+              )) {
+                return;
+              }
+              if (handleErrorRangeResponse5(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )) {
+                return;
+              }
+              reject(error);
+            }
+          );
+        });
+      });
+    });
+  }
+  faxList(_0, _1) {
+    return __async(this, arguments, function* (page, pageSize, options = { headers: {} }) {
+      const localVarPath = this.basePath + "/fax/list";
+      let localVarQueryParameters = {};
+      let localVarHeaderParams = Object.assign(
+        {},
+        this._defaultHeaders
+      );
+      const produces = ["application/json"];
+      if (produces.indexOf("application/json") >= 0) {
+        localVarHeaderParams["content-type"] = "application/json";
+      } else {
+        localVarHeaderParams["content-type"] = produces.join(",");
+      }
+      let localVarFormParams = {};
+      let localVarBodyParams = void 0;
+      if (page !== void 0) {
+        localVarQueryParameters["page"] = ObjectSerializer.serialize(
+          page,
+          "number"
+        );
+      }
+      if (pageSize !== void 0) {
+        localVarQueryParameters["page_size"] = ObjectSerializer.serialize(
+          pageSize,
+          "number"
+        );
+      }
+      Object.assign(localVarHeaderParams, options.headers);
+      let localVarUseFormData = false;
+      let localVarRequestOptions = {
+        method: "GET",
+        params: localVarQueryParameters,
+        headers: localVarHeaderParams,
+        url: localVarPath,
+        paramsSerializer: this._useQuerystring ? queryParamsSerializer : void 0,
+        maxContentLength: Infinity,
+        maxBodyLength: Infinity,
+        responseType: "json"
+      };
+      let authenticationPromise = Promise.resolve();
+      if (this.authentications.api_key.username) {
+        authenticationPromise = authenticationPromise.then(
+          () => this.authentications.api_key.applyToRequest(localVarRequestOptions)
+        );
+      }
+      authenticationPromise = authenticationPromise.then(
+        () => this.authentications.default.applyToRequest(localVarRequestOptions)
+      );
+      let interceptorPromise = authenticationPromise;
+      for (const interceptor of this.interceptors) {
+        interceptorPromise = interceptorPromise.then(
+          () => interceptor(localVarRequestOptions)
+        );
+      }
+      return interceptorPromise.then(() => {
+        return new Promise((resolve, reject) => {
+          axios_default.request(localVarRequestOptions).then(
+            (response) => {
+              handleSuccessfulResponse5(
+                resolve,
+                reject,
+                response,
+                "FaxListResponse"
+              );
+            },
+            (error) => {
+              if (error.response == null) {
+                reject(error);
+                return;
+              }
+              if (handleErrorCodeResponse5(
+                reject,
+                error.response,
+                200,
+                "FaxListResponse"
+              )) {
+                return;
+              }
+              if (handleErrorRangeResponse5(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )) {
+                return;
+              }
+              reject(error);
+            }
+          );
+        });
+      });
+    });
+  }
+  faxSend(_0) {
+    return __async(this, arguments, function* (faxSendRequest, options = { headers: {} }) {
+      faxSendRequest = deserializeIfNeeded4(faxSendRequest, "FaxSendRequest");
+      const localVarPath = this.basePath + "/fax/send";
+      let localVarQueryParameters = {};
+      let localVarHeaderParams = Object.assign(
+        {},
+        this._defaultHeaders
+      );
+      const produces = ["application/json"];
+      if (produces.indexOf("application/json") >= 0) {
+        localVarHeaderParams["content-type"] = "application/json";
+      } else {
+        localVarHeaderParams["content-type"] = produces.join(",");
+      }
+      let localVarFormParams = {};
+      let localVarBodyParams = void 0;
+      if (faxSendRequest === null || faxSendRequest === void 0) {
+        throw new Error(
+          "Required parameter faxSendRequest was null or undefined when calling faxSend."
+        );
+      }
+      Object.assign(localVarHeaderParams, options.headers);
+      let localVarUseFormData = false;
+      const result = generateFormData(
+        faxSendRequest,
+        FaxSendRequest.attributeTypeMap
+      );
+      localVarUseFormData = result.localVarUseFormData;
+      let data = {};
+      if (localVarUseFormData) {
+        const formData2 = toFormData3(result.data);
+        data = formData2;
+        localVarHeaderParams = __spreadValues(__spreadValues({}, localVarHeaderParams), formData2.getHeaders());
+      } else {
+        data = ObjectSerializer.serialize(faxSendRequest, "FaxSendRequest");
+      }
+      let localVarRequestOptions = {
+        method: "POST",
+        params: localVarQueryParameters,
+        headers: localVarHeaderParams,
+        url: localVarPath,
+        paramsSerializer: this._useQuerystring ? queryParamsSerializer : void 0,
+        maxContentLength: Infinity,
+        maxBodyLength: Infinity,
+        responseType: "json",
+        data
+      };
+      let authenticationPromise = Promise.resolve();
+      if (this.authentications.api_key.username) {
+        authenticationPromise = authenticationPromise.then(
+          () => this.authentications.api_key.applyToRequest(localVarRequestOptions)
+        );
+      }
+      authenticationPromise = authenticationPromise.then(
+        () => this.authentications.default.applyToRequest(localVarRequestOptions)
+      );
+      let interceptorPromise = authenticationPromise;
+      for (const interceptor of this.interceptors) {
+        interceptorPromise = interceptorPromise.then(
+          () => interceptor(localVarRequestOptions)
+        );
+      }
+      return interceptorPromise.then(() => {
+        return new Promise((resolve, reject) => {
+          axios_default.request(localVarRequestOptions).then(
+            (response) => {
+              handleSuccessfulResponse5(
+                resolve,
+                reject,
+                response,
+                "FaxGetResponse"
+              );
+            },
+            (error) => {
+              if (error.response == null) {
+                reject(error);
+                return;
+              }
+              if (handleErrorCodeResponse5(
+                reject,
+                error.response,
+                200,
+                "FaxGetResponse"
+              )) {
+                return;
+              }
+              if (handleErrorRangeResponse5(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )) {
+                return;
+              }
+              reject(error);
+            }
+          );
+        });
+      });
+    });
+  }
+};
+function deserializeIfNeeded4(obj, classname) {
+  if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
+    return ObjectSerializer.deserialize(obj, classname);
+  }
+  return obj;
+}
+function handleSuccessfulResponse5(resolve, reject, response, returnType) {
+  let body = response.data;
+  if (response.status && response.status >= 200 && response.status <= 299) {
+    if (returnType) {
+      body = ObjectSerializer.deserialize(body, returnType);
+    }
+    resolve({ response, body });
+  } else {
+    reject(new HttpError(response, body, response.status));
+  }
+}
+function handleErrorCodeResponse5(reject, response, code, returnType) {
+  if (response.status !== code) {
+    return false;
+  }
+  const body = ObjectSerializer.deserialize(response.data, returnType);
+  reject(new HttpError(response, body, response.status));
+  return true;
+}
+function handleErrorRangeResponse5(reject, response, code, returnType) {
+  let rangeCodeLeft = Number(code[0] + "00");
+  let rangeCodeRight = Number(code[0] + "99");
+  if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
+    const body = ObjectSerializer.deserialize(response.data, returnType);
+    reject(new HttpError(response, body, response.status));
+    return true;
+  }
+  return false;
+}
+
+// api/faxLineApi.ts
+var defaultBasePath6 = "https://api.hellosign.com/v3";
+var FaxLineApi = class {
+  constructor(basePath) {
+    this._basePath = defaultBasePath6;
+    this._defaultHeaders = { "User-Agent": USER_AGENT };
+    this._useQuerystring = false;
+    this.authentications = {
+      default: new VoidAuth(),
+      api_key: new HttpBasicAuth(),
+      oauth2: new HttpBearerAuth()
+    };
+    this.interceptors = [];
+    if (basePath) {
+      this.basePath = basePath;
+    }
+  }
+  set useQuerystring(value) {
+    this._useQuerystring = value;
+  }
+  set basePath(basePath) {
+    this._basePath = basePath;
+  }
+  set defaultHeaders(defaultHeaders) {
+    this._defaultHeaders = __spreadProps(__spreadValues({}, defaultHeaders), { "User-Agent": USER_AGENT });
+  }
+  get defaultHeaders() {
+    return this._defaultHeaders;
+  }
+  get basePath() {
+    return this._basePath;
+  }
+  setDefaultAuthentication(auth) {
+    this.authentications.default = auth;
+  }
+  setApiKey(key) {
+    this.authentications.api_key.username = key;
+  }
+  set username(username) {
+    this.authentications.api_key.username = username;
+  }
+  set password(password) {
+    this.authentications.api_key.password = password;
+  }
+  set accessToken(accessToken) {
+    this.authentications.oauth2.accessToken = accessToken;
+  }
+  addInterceptor(interceptor) {
+    this.interceptors.push(interceptor);
+  }
+  faxLineAddUser(_0) {
+    return __async(this, arguments, function* (faxLineAddUserRequest, options = { headers: {} }) {
+      faxLineAddUserRequest = deserializeIfNeeded5(
+        faxLineAddUserRequest,
+        "FaxLineAddUserRequest"
+      );
+      const localVarPath = this.basePath + "/fax_line/add_user";
+      let localVarQueryParameters = {};
+      let localVarHeaderParams = Object.assign(
+        {},
+        this._defaultHeaders
+      );
+      const produces = ["application/json"];
+      if (produces.indexOf("application/json") >= 0) {
+        localVarHeaderParams["content-type"] = "application/json";
+      } else {
+        localVarHeaderParams["content-type"] = produces.join(",");
+      }
+      let localVarFormParams = {};
+      let localVarBodyParams = void 0;
+      if (faxLineAddUserRequest === null || faxLineAddUserRequest === void 0) {
+        throw new Error(
+          "Required parameter faxLineAddUserRequest was null or undefined when calling faxLineAddUser."
+        );
+      }
+      Object.assign(localVarHeaderParams, options.headers);
+      let localVarUseFormData = false;
+      const result = generateFormData(
+        faxLineAddUserRequest,
+        FaxLineAddUserRequest.attributeTypeMap
+      );
+      localVarUseFormData = result.localVarUseFormData;
+      let data = {};
+      if (localVarUseFormData) {
+        const formData2 = toFormData3(result.data);
+        data = formData2;
+        localVarHeaderParams = __spreadValues(__spreadValues({}, localVarHeaderParams), formData2.getHeaders());
+      } else {
+        data = ObjectSerializer.serialize(
+          faxLineAddUserRequest,
+          "FaxLineAddUserRequest"
+        );
+      }
+      let localVarRequestOptions = {
+        method: "PUT",
+        params: localVarQueryParameters,
+        headers: localVarHeaderParams,
+        url: localVarPath,
+        paramsSerializer: this._useQuerystring ? queryParamsSerializer : void 0,
+        maxContentLength: Infinity,
+        maxBodyLength: Infinity,
+        responseType: "json",
+        data
+      };
+      let authenticationPromise = Promise.resolve();
+      if (this.authentications.api_key.username) {
+        authenticationPromise = authenticationPromise.then(
+          () => this.authentications.api_key.applyToRequest(localVarRequestOptions)
+        );
+      }
+      authenticationPromise = authenticationPromise.then(
+        () => this.authentications.default.applyToRequest(localVarRequestOptions)
+      );
+      let interceptorPromise = authenticationPromise;
+      for (const interceptor of this.interceptors) {
+        interceptorPromise = interceptorPromise.then(
+          () => interceptor(localVarRequestOptions)
+        );
+      }
+      return interceptorPromise.then(() => {
+        return new Promise((resolve, reject) => {
+          axios_default.request(localVarRequestOptions).then(
+            (response) => {
+              handleSuccessfulResponse6(
+                resolve,
+                reject,
+                response,
+                "FaxLineResponse"
+              );
+            },
+            (error) => {
+              if (error.response == null) {
+                reject(error);
+                return;
+              }
+              if (handleErrorCodeResponse6(
+                reject,
+                error.response,
+                200,
+                "FaxLineResponse"
+              )) {
+                return;
+              }
+              if (handleErrorRangeResponse6(
+                reject,
+                error.response,
+                "4XX",
+                "ErrorResponse"
+              )) {
+                return;
+              }
+              reject(error);
+            }
+          );
+        });
+      });
+    });
+  }
+  faxLineAreaCodeGet(_0, _1, _2, _3) {
+    return __async(this, arguments, function* (country, state, province, city, options = { headers: {} }) {
+      const localVarPath = this.basePath + "/fax_line/area_codes";
+      let localVarQueryParameters = {};
+      let localVarHeaderParams = Object.assign(
+        {},
+        this._defaultHeaders
+      );
+      const produces = ["application/json"];
+      if (produces.indexOf("application/json") >= 0) {
+        localVarHeaderParams["content-type"] = "application/json";
+      } else {
+        localVarHeaderParams["content-type"] = produces.join(",");
+      }
+      let localVarFormParams = {};
+      let localVarBodyParams = void 0;
+      if (country === null || country === void 0) {
+        throw new Error(
+          "Required parameter country was null or undefined when calling faxLineAreaCodeGet."
+        );
+      }
+      if (country !== void 0) {
+        localVarQueryParameters["country"] = ObjectSerializer.serialize(
+          country,
+          "'CA' | 'US' | 'UK'"
+        );
+      }
+      if (state !== void 0) {
+        localVarQueryParameters["state"] = ObjectSerializer.serialize(
+          state,
+          "'AK' | 'AL' | 'AR' | 'AZ' | 'CA' | 'CO' | 'CT' | 'DC' | 'DE' | 'FL' | 'GA' | 'HI' | 'IA' | 'ID' | 'IL' | 'IN' | 'KS' | 'KY' | 'LA' | 'MA' | 'MD' | 'ME' | 'MI' | 'MN' | 'MO' | 'MS' | 'MT' | 'NC' | 'ND' | 'NE' | 'NH' | 'NJ' | 'NM' | 'NV' | 'NY' | 'OH' | 'OK' | 'OR' | 'PA' | 'RI' | 'SC' | 'SD' | 'TN' | 'TX' | 'UT' | 'VA' | 'VT' | 'WA' | 'WI' | 'WV' | 'WY'"
+        );
+      }
+      if (province !== void 0) {
+        localVarQueryParameters["province"] = ObjectSerializer.serialize(
+          province,
+          "'AB' | 'BC' | 'MB' | 'NB' | 'NL' | 'NT' | 'NS' | 'NU' | 'ON' | 'PE' | 'QC' | 'SK' | 'YT'"
+        );
+      }
+      if (city !== void 0) {
+        localVarQueryParameters["city"] = ObjectSerializer.serialize(
+          city,
+          "string"
+        );
+      }
+      Object.assign(localVarHeaderParams, options.headers);
+      let localVarUseFormData = false;
+      let localVarRequestOptions = {
+        method: "GET",
+        params: localVarQueryParameters,
+        headers: localVarHeaderParams,
+        url: localVarPath,
+        paramsSerializer: this._useQuerystring ? queryParamsSerializer : void 0,
+        maxContentLength: Infinity,
+        maxBodyLength: Infinity,
+        responseType: "json"
+      };
+      let authenticationPromise = Promise.resolve();
+      if (this.authentications.api_key.username) {
+        authenticationPromise = authenticationPromise.then(
+          () => this.authentications.api_key.applyToRequest(localVarRequestOptions)
+        );
+      }
+      authenticationPromise = authenticationPromise.then(
+        () => this.authentications.default.applyToRequest(localVarRequestOptions)
+      );
+      let interceptorPromise = authenticationPromise;
+      for (const interceptor of this.interceptors) {
+        interceptorPromise = interceptorPromise.then(
+          () => interceptor(localVarRequestOptions)
+        );
+      }
+      return interceptorPromise.then(() => {
+        return new Promise(
+          (resolve, reject) => {
+            axios_default.request(localVarRequestOptions).then(
+              (response) => {
+                handleSuccessfulResponse6(
+                  resolve,
+                  reject,
+                  response,
+                  "FaxLineAreaCodeGetResponse"
+                );
+              },
+              (error) => {
+                if (error.response == null) {
+                  reject(error);
+                  return;
+                }
+                if (handleErrorCodeResponse6(
+                  reject,
+                  error.response,
+                  200,
+                  "FaxLineAreaCodeGetResponse"
+                )) {
+                  return;
+                }
+                if (handleErrorRangeResponse6(
+                  reject,
+                  error.response,
+                  "4XX",
+                  "ErrorResponse"
+                )) {
+                  return;
+                }
+                reject(error);
+              }
+            );
+          }
+        );
       });
     });
   }
   faxLineCreate(_0) {
     return __async(this, arguments, function* (faxLineCreateRequest, options = { headers: {} }) {
-      faxLineCreateRequest = deserializeIfNeeded4(
+      faxLineCreateRequest = deserializeIfNeeded5(
         faxLineCreateRequest,
         "FaxLineCreateRequest"
       );
@@ -26736,7 +27509,7 @@ var FaxLineApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse5(
+              handleSuccessfulResponse6(
                 resolve,
                 reject,
                 response,
@@ -26748,7 +27521,7 @@ var FaxLineApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse5(
+              if (handleErrorCodeResponse6(
                 reject,
                 error.response,
                 200,
@@ -26756,7 +27529,7 @@ var FaxLineApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse5(
+              if (handleErrorRangeResponse6(
                 reject,
                 error.response,
                 "4XX",
@@ -26773,7 +27546,7 @@ var FaxLineApi = class {
   }
   faxLineDelete(_0) {
     return __async(this, arguments, function* (faxLineDeleteRequest, options = { headers: {} }) {
-      faxLineDeleteRequest = deserializeIfNeeded4(
+      faxLineDeleteRequest = deserializeIfNeeded5(
         faxLineDeleteRequest,
         "FaxLineDeleteRequest"
       );
@@ -26844,14 +27617,14 @@ var FaxLineApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse5(resolve, reject, response);
+              handleSuccessfulResponse6(resolve, reject, response);
             },
             (error) => {
               if (error.response == null) {
                 reject(error);
                 return;
               }
-              if (handleErrorRangeResponse5(
+              if (handleErrorRangeResponse6(
                 reject,
                 error.response,
                 "4XX",
@@ -26924,7 +27697,7 @@ var FaxLineApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse5(
+              handleSuccessfulResponse6(
                 resolve,
                 reject,
                 response,
@@ -26936,7 +27709,7 @@ var FaxLineApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse5(
+              if (handleErrorCodeResponse6(
                 reject,
                 error.response,
                 200,
@@ -26944,7 +27717,7 @@ var FaxLineApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse5(
+              if (handleErrorRangeResponse6(
                 reject,
                 error.response,
                 "4XX",
@@ -27031,7 +27804,7 @@ var FaxLineApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse5(
+                handleSuccessfulResponse6(
                   resolve,
                   reject,
                   response,
@@ -27043,7 +27816,7 @@ var FaxLineApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse5(
+                if (handleErrorCodeResponse6(
                   reject,
                   error.response,
                   200,
@@ -27051,7 +27824,7 @@ var FaxLineApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse5(
+                if (handleErrorRangeResponse6(
                   reject,
                   error.response,
                   "4XX",
@@ -27069,7 +27842,7 @@ var FaxLineApi = class {
   }
   faxLineRemoveUser(_0) {
     return __async(this, arguments, function* (faxLineRemoveUserRequest, options = { headers: {} }) {
-      faxLineRemoveUserRequest = deserializeIfNeeded4(
+      faxLineRemoveUserRequest = deserializeIfNeeded5(
         faxLineRemoveUserRequest,
         "FaxLineRemoveUserRequest"
       );
@@ -27140,7 +27913,7 @@ var FaxLineApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse5(
+              handleSuccessfulResponse6(
                 resolve,
                 reject,
                 response,
@@ -27152,7 +27925,7 @@ var FaxLineApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse5(
+              if (handleErrorCodeResponse6(
                 reject,
                 error.response,
                 200,
@@ -27160,7 +27933,7 @@ var FaxLineApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse5(
+              if (handleErrorRangeResponse6(
                 reject,
                 error.response,
                 "4XX",
@@ -27176,13 +27949,13 @@ var FaxLineApi = class {
     });
   }
 };
-function deserializeIfNeeded4(obj, classname) {
+function deserializeIfNeeded5(obj, classname) {
   if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
     return ObjectSerializer.deserialize(obj, classname);
   }
   return obj;
 }
-function handleSuccessfulResponse5(resolve, reject, response, returnType) {
+function handleSuccessfulResponse6(resolve, reject, response, returnType) {
   let body = response.data;
   if (response.status && response.status >= 200 && response.status <= 299) {
     if (returnType) {
@@ -27193,7 +27966,7 @@ function handleSuccessfulResponse5(resolve, reject, response, returnType) {
     reject(new HttpError(response, body, response.status));
   }
 }
-function handleErrorCodeResponse5(reject, response, code, returnType) {
+function handleErrorCodeResponse6(reject, response, code, returnType) {
   if (response.status !== code) {
     return false;
   }
@@ -27201,7 +27974,7 @@ function handleErrorCodeResponse5(reject, response, code, returnType) {
   reject(new HttpError(response, body, response.status));
   return true;
 }
-function handleErrorRangeResponse5(reject, response, code, returnType) {
+function handleErrorRangeResponse6(reject, response, code, returnType) {
   let rangeCodeLeft = Number(code[0] + "00");
   let rangeCodeRight = Number(code[0] + "99");
   if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
@@ -27213,10 +27986,10 @@ function handleErrorRangeResponse5(reject, response, code, returnType) {
 }
 
 // api/oAuthApi.ts
-var defaultBasePath6 = "https://app.hellosign.com";
+var defaultBasePath7 = "https://app.hellosign.com";
 var OAuthApi = class {
   constructor(basePath) {
-    this._basePath = defaultBasePath6;
+    this._basePath = defaultBasePath7;
     this._defaultHeaders = { "User-Agent": USER_AGENT };
     this._useQuerystring = false;
     this.authentications = {
@@ -27264,7 +28037,7 @@ var OAuthApi = class {
   }
   oauthTokenGenerate(_0) {
     return __async(this, arguments, function* (oAuthTokenGenerateRequest, options = { headers: {} }) {
-      oAuthTokenGenerateRequest = deserializeIfNeeded5(
+      oAuthTokenGenerateRequest = deserializeIfNeeded6(
         oAuthTokenGenerateRequest,
         "OAuthTokenGenerateRequest"
       );
@@ -27330,7 +28103,7 @@ var OAuthApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse6(
+              handleSuccessfulResponse7(
                 resolve,
                 reject,
                 response,
@@ -27342,7 +28115,7 @@ var OAuthApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse6(
+              if (handleErrorCodeResponse7(
                 reject,
                 error.response,
                 200,
@@ -27350,7 +28123,7 @@ var OAuthApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse6(
+              if (handleErrorRangeResponse7(
                 reject,
                 error.response,
                 "4XX",
@@ -27367,7 +28140,7 @@ var OAuthApi = class {
   }
   oauthTokenRefresh(_0) {
     return __async(this, arguments, function* (oAuthTokenRefreshRequest, options = { headers: {} }) {
-      oAuthTokenRefreshRequest = deserializeIfNeeded5(
+      oAuthTokenRefreshRequest = deserializeIfNeeded6(
         oAuthTokenRefreshRequest,
         "OAuthTokenRefreshRequest"
       );
@@ -27433,7 +28206,7 @@ var OAuthApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse6(
+              handleSuccessfulResponse7(
                 resolve,
                 reject,
                 response,
@@ -27445,7 +28218,7 @@ var OAuthApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse6(
+              if (handleErrorCodeResponse7(
                 reject,
                 error.response,
                 200,
@@ -27453,7 +28226,7 @@ var OAuthApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse6(
+              if (handleErrorRangeResponse7(
                 reject,
                 error.response,
                 "4XX",
@@ -27469,13 +28242,13 @@ var OAuthApi = class {
     });
   }
 };
-function deserializeIfNeeded5(obj, classname) {
+function deserializeIfNeeded6(obj, classname) {
   if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
     return ObjectSerializer.deserialize(obj, classname);
   }
   return obj;
 }
-function handleSuccessfulResponse6(resolve, reject, response, returnType) {
+function handleSuccessfulResponse7(resolve, reject, response, returnType) {
   let body = response.data;
   if (response.status && response.status >= 200 && response.status <= 299) {
     if (returnType) {
@@ -27486,7 +28259,7 @@ function handleSuccessfulResponse6(resolve, reject, response, returnType) {
     reject(new HttpError(response, body, response.status));
   }
 }
-function handleErrorCodeResponse6(reject, response, code, returnType) {
+function handleErrorCodeResponse7(reject, response, code, returnType) {
   if (response.status !== code) {
     return false;
   }
@@ -27494,7 +28267,7 @@ function handleErrorCodeResponse6(reject, response, code, returnType) {
   reject(new HttpError(response, body, response.status));
   return true;
 }
-function handleErrorRangeResponse6(reject, response, code, returnType) {
+function handleErrorRangeResponse7(reject, response, code, returnType) {
   let rangeCodeLeft = Number(code[0] + "00");
   let rangeCodeRight = Number(code[0] + "99");
   if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
@@ -27506,10 +28279,10 @@ function handleErrorRangeResponse6(reject, response, code, returnType) {
 }
 
 // api/reportApi.ts
-var defaultBasePath7 = "https://api.hellosign.com/v3";
+var defaultBasePath8 = "https://api.hellosign.com/v3";
 var ReportApi = class {
   constructor(basePath) {
-    this._basePath = defaultBasePath7;
+    this._basePath = defaultBasePath8;
     this._defaultHeaders = { "User-Agent": USER_AGENT };
     this._useQuerystring = false;
     this.authentications = {
@@ -27557,7 +28330,7 @@ var ReportApi = class {
   }
   reportCreate(_0) {
     return __async(this, arguments, function* (reportCreateRequest, options = { headers: {} }) {
-      reportCreateRequest = deserializeIfNeeded6(
+      reportCreateRequest = deserializeIfNeeded7(
         reportCreateRequest,
         "ReportCreateRequest"
       );
@@ -27629,7 +28402,7 @@ var ReportApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse7(
+                handleSuccessfulResponse8(
                   resolve,
                   reject,
                   response,
@@ -27641,7 +28414,7 @@ var ReportApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse7(
+                if (handleErrorCodeResponse8(
                   reject,
                   error.response,
                   200,
@@ -27649,7 +28422,7 @@ var ReportApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse7(
+                if (handleErrorRangeResponse8(
                   reject,
                   error.response,
                   "4XX",
@@ -27666,13 +28439,13 @@ var ReportApi = class {
     });
   }
 };
-function deserializeIfNeeded6(obj, classname) {
+function deserializeIfNeeded7(obj, classname) {
   if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
     return ObjectSerializer.deserialize(obj, classname);
   }
   return obj;
 }
-function handleSuccessfulResponse7(resolve, reject, response, returnType) {
+function handleSuccessfulResponse8(resolve, reject, response, returnType) {
   let body = response.data;
   if (response.status && response.status >= 200 && response.status <= 299) {
     if (returnType) {
@@ -27683,7 +28456,7 @@ function handleSuccessfulResponse7(resolve, reject, response, returnType) {
     reject(new HttpError(response, body, response.status));
   }
 }
-function handleErrorCodeResponse7(reject, response, code, returnType) {
+function handleErrorCodeResponse8(reject, response, code, returnType) {
   if (response.status !== code) {
     return false;
   }
@@ -27691,7 +28464,7 @@ function handleErrorCodeResponse7(reject, response, code, returnType) {
   reject(new HttpError(response, body, response.status));
   return true;
 }
-function handleErrorRangeResponse7(reject, response, code, returnType) {
+function handleErrorRangeResponse8(reject, response, code, returnType) {
   let rangeCodeLeft = Number(code[0] + "00");
   let rangeCodeRight = Number(code[0] + "99");
   if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
@@ -27703,10 +28476,10 @@ function handleErrorRangeResponse7(reject, response, code, returnType) {
 }
 
 // api/signatureRequestApi.ts
-var defaultBasePath8 = "https://api.hellosign.com/v3";
+var defaultBasePath9 = "https://api.hellosign.com/v3";
 var SignatureRequestApi = class {
   constructor(basePath) {
-    this._basePath = defaultBasePath8;
+    this._basePath = defaultBasePath9;
     this._defaultHeaders = { "User-Agent": USER_AGENT };
     this._useQuerystring = false;
     this.authentications = {
@@ -27754,7 +28527,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestBulkCreateEmbeddedWithTemplate(_0) {
     return __async(this, arguments, function* (signatureRequestBulkCreateEmbeddedWithTemplateRequest, options = { headers: {} }) {
-      signatureRequestBulkCreateEmbeddedWithTemplateRequest = deserializeIfNeeded7(
+      signatureRequestBulkCreateEmbeddedWithTemplateRequest = deserializeIfNeeded8(
         signatureRequestBulkCreateEmbeddedWithTemplateRequest,
         "SignatureRequestBulkCreateEmbeddedWithTemplateRequest"
       );
@@ -27826,7 +28599,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -27838,7 +28611,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -27846,7 +28619,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -27864,7 +28637,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestBulkSendWithTemplate(_0) {
     return __async(this, arguments, function* (signatureRequestBulkSendWithTemplateRequest, options = { headers: {} }) {
-      signatureRequestBulkSendWithTemplateRequest = deserializeIfNeeded7(
+      signatureRequestBulkSendWithTemplateRequest = deserializeIfNeeded8(
         signatureRequestBulkSendWithTemplateRequest,
         "SignatureRequestBulkSendWithTemplateRequest"
       );
@@ -27941,7 +28714,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -27953,7 +28726,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -27961,7 +28734,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -28037,14 +28810,14 @@ var SignatureRequestApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse8(resolve, reject, response);
+              handleSuccessfulResponse9(resolve, reject, response);
             },
             (error) => {
               if (error.response == null) {
                 reject(error);
                 return;
               }
-              if (handleErrorRangeResponse8(
+              if (handleErrorRangeResponse9(
                 reject,
                 error.response,
                 "4XX",
@@ -28061,7 +28834,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestCreateEmbedded(_0) {
     return __async(this, arguments, function* (signatureRequestCreateEmbeddedRequest, options = { headers: {} }) {
-      signatureRequestCreateEmbeddedRequest = deserializeIfNeeded7(
+      signatureRequestCreateEmbeddedRequest = deserializeIfNeeded8(
         signatureRequestCreateEmbeddedRequest,
         "SignatureRequestCreateEmbeddedRequest"
       );
@@ -28138,7 +28911,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -28150,7 +28923,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -28158,7 +28931,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -28176,7 +28949,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestCreateEmbeddedWithTemplate(_0) {
     return __async(this, arguments, function* (signatureRequestCreateEmbeddedWithTemplateRequest, options = { headers: {} }) {
-      signatureRequestCreateEmbeddedWithTemplateRequest = deserializeIfNeeded7(
+      signatureRequestCreateEmbeddedWithTemplateRequest = deserializeIfNeeded8(
         signatureRequestCreateEmbeddedWithTemplateRequest,
         "SignatureRequestCreateEmbeddedWithTemplateRequest"
       );
@@ -28253,7 +29026,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -28265,7 +29038,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -28273,7 +29046,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -28355,7 +29128,7 @@ var SignatureRequestApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse8(
+              handleSuccessfulResponse9(
                 resolve,
                 reject,
                 response,
@@ -28367,7 +29140,7 @@ var SignatureRequestApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse8(
+              if (handleErrorCodeResponse9(
                 reject,
                 error.response,
                 200,
@@ -28375,7 +29148,7 @@ var SignatureRequestApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse8(
+              if (handleErrorRangeResponse9(
                 reject,
                 error.response,
                 "4XX",
@@ -28451,7 +29224,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -28463,7 +29236,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -28471,7 +29244,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -28553,7 +29326,7 @@ var SignatureRequestApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse8(
+              handleSuccessfulResponse9(
                 resolve,
                 reject,
                 response,
@@ -28565,7 +29338,7 @@ var SignatureRequestApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse8(
+              if (handleErrorCodeResponse9(
                 reject,
                 error.response,
                 200,
@@ -28573,7 +29346,7 @@ var SignatureRequestApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse8(
+              if (handleErrorRangeResponse9(
                 reject,
                 error.response,
                 "4XX",
@@ -28649,7 +29422,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -28661,7 +29434,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -28669,7 +29442,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -28762,7 +29535,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -28774,7 +29547,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -28782,7 +29555,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -28859,7 +29632,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -28871,7 +29644,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -28879,7 +29652,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -28897,7 +29670,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestRemind(_0, _1) {
     return __async(this, arguments, function* (signatureRequestId, signatureRequestRemindRequest, options = { headers: {} }) {
-      signatureRequestRemindRequest = deserializeIfNeeded7(
+      signatureRequestRemindRequest = deserializeIfNeeded8(
         signatureRequestRemindRequest,
         "SignatureRequestRemindRequest"
       );
@@ -28982,7 +29755,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -28994,7 +29767,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -29002,7 +29775,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -29073,14 +29846,14 @@ var SignatureRequestApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse8(resolve, reject, response);
+              handleSuccessfulResponse9(resolve, reject, response);
             },
             (error) => {
               if (error.response == null) {
                 reject(error);
                 return;
               }
-              if (handleErrorRangeResponse8(
+              if (handleErrorRangeResponse9(
                 reject,
                 error.response,
                 "4XX",
@@ -29097,7 +29870,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestSend(_0) {
     return __async(this, arguments, function* (signatureRequestSendRequest, options = { headers: {} }) {
-      signatureRequestSendRequest = deserializeIfNeeded7(
+      signatureRequestSendRequest = deserializeIfNeeded8(
         signatureRequestSendRequest,
         "SignatureRequestSendRequest"
       );
@@ -29174,7 +29947,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -29186,7 +29959,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -29194,7 +29967,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -29212,7 +29985,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestSendWithTemplate(_0) {
     return __async(this, arguments, function* (signatureRequestSendWithTemplateRequest, options = { headers: {} }) {
-      signatureRequestSendWithTemplateRequest = deserializeIfNeeded7(
+      signatureRequestSendWithTemplateRequest = deserializeIfNeeded8(
         signatureRequestSendWithTemplateRequest,
         "SignatureRequestSendWithTemplateRequest"
       );
@@ -29289,7 +30062,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -29301,7 +30074,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -29309,7 +30082,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -29327,7 +30100,7 @@ var SignatureRequestApi = class {
   }
   signatureRequestUpdate(_0, _1) {
     return __async(this, arguments, function* (signatureRequestId, signatureRequestUpdateRequest, options = { headers: {} }) {
-      signatureRequestUpdateRequest = deserializeIfNeeded7(
+      signatureRequestUpdateRequest = deserializeIfNeeded8(
         signatureRequestUpdateRequest,
         "SignatureRequestUpdateRequest"
       );
@@ -29412,7 +30185,7 @@ var SignatureRequestApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse8(
+                handleSuccessfulResponse9(
                   resolve,
                   reject,
                   response,
@@ -29424,7 +30197,7 @@ var SignatureRequestApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse8(
+                if (handleErrorCodeResponse9(
                   reject,
                   error.response,
                   200,
@@ -29432,7 +30205,7 @@ var SignatureRequestApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse8(
+                if (handleErrorRangeResponse9(
                   reject,
                   error.response,
                   "4XX",
@@ -29449,13 +30222,13 @@ var SignatureRequestApi = class {
     });
   }
 };
-function deserializeIfNeeded7(obj, classname) {
+function deserializeIfNeeded8(obj, classname) {
   if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
     return ObjectSerializer.deserialize(obj, classname);
   }
   return obj;
 }
-function handleSuccessfulResponse8(resolve, reject, response, returnType) {
+function handleSuccessfulResponse9(resolve, reject, response, returnType) {
   let body = response.data;
   if (response.status && response.status >= 200 && response.status <= 299) {
     if (returnType) {
@@ -29466,7 +30239,7 @@ function handleSuccessfulResponse8(resolve, reject, response, returnType) {
     reject(new HttpError(response, body, response.status));
   }
 }
-function handleErrorCodeResponse8(reject, response, code, returnType) {
+function handleErrorCodeResponse9(reject, response, code, returnType) {
   if (response.status !== code) {
     return false;
   }
@@ -29474,7 +30247,7 @@ function handleErrorCodeResponse8(reject, response, code, returnType) {
   reject(new HttpError(response, body, response.status));
   return true;
 }
-function handleErrorRangeResponse8(reject, response, code, returnType) {
+function handleErrorRangeResponse9(reject, response, code, returnType) {
   let rangeCodeLeft = Number(code[0] + "00");
   let rangeCodeRight = Number(code[0] + "99");
   if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
@@ -29486,10 +30259,10 @@ function handleErrorRangeResponse8(reject, response, code, returnType) {
 }
 
 // api/teamApi.ts
-var defaultBasePath9 = "https://api.hellosign.com/v3";
+var defaultBasePath10 = "https://api.hellosign.com/v3";
 var TeamApi = class {
   constructor(basePath) {
-    this._basePath = defaultBasePath9;
+    this._basePath = defaultBasePath10;
     this._defaultHeaders = { "User-Agent": USER_AGENT };
     this._useQuerystring = false;
     this.authentications = {
@@ -29537,7 +30310,7 @@ var TeamApi = class {
   }
   teamAddMember(_0, _1) {
     return __async(this, arguments, function* (teamAddMemberRequest, teamId, options = { headers: {} }) {
-      teamAddMemberRequest = deserializeIfNeeded8(
+      teamAddMemberRequest = deserializeIfNeeded9(
         teamAddMemberRequest,
         "TeamAddMemberRequest"
       );
@@ -29619,7 +30392,7 @@ var TeamApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse9(
+              handleSuccessfulResponse10(
                 resolve,
                 reject,
                 response,
@@ -29631,7 +30404,7 @@ var TeamApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse9(
+              if (handleErrorCodeResponse10(
                 reject,
                 error.response,
                 200,
@@ -29639,7 +30412,7 @@ var TeamApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse9(
+              if (handleErrorRangeResponse10(
                 reject,
                 error.response,
                 "4XX",
@@ -29656,7 +30429,7 @@ var TeamApi = class {
   }
   teamCreate(_0) {
     return __async(this, arguments, function* (teamCreateRequest, options = { headers: {} }) {
-      teamCreateRequest = deserializeIfNeeded8(
+      teamCreateRequest = deserializeIfNeeded9(
         teamCreateRequest,
         "TeamCreateRequest"
       );
@@ -29729,7 +30502,7 @@ var TeamApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse9(
+              handleSuccessfulResponse10(
                 resolve,
                 reject,
                 response,
@@ -29741,7 +30514,7 @@ var TeamApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse9(
+              if (handleErrorCodeResponse10(
                 reject,
                 error.response,
                 200,
@@ -29749,7 +30522,7 @@ var TeamApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse9(
+              if (handleErrorRangeResponse10(
                 reject,
                 error.response,
                 "4XX",
@@ -29816,14 +30589,14 @@ var TeamApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse9(resolve, reject, response);
+              handleSuccessfulResponse10(resolve, reject, response);
             },
             (error) => {
               if (error.response == null) {
                 reject(error);
                 return;
               }
-              if (handleErrorRangeResponse9(
+              if (handleErrorRangeResponse10(
                 reject,
                 error.response,
                 "4XX",
@@ -29890,7 +30663,7 @@ var TeamApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse9(
+              handleSuccessfulResponse10(
                 resolve,
                 reject,
                 response,
@@ -29902,7 +30675,7 @@ var TeamApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse9(
+              if (handleErrorCodeResponse10(
                 reject,
                 error.response,
                 200,
@@ -29910,7 +30683,7 @@ var TeamApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse9(
+              if (handleErrorRangeResponse10(
                 reject,
                 error.response,
                 "4XX",
@@ -29984,7 +30757,7 @@ var TeamApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse9(
+                handleSuccessfulResponse10(
                   resolve,
                   reject,
                   response,
@@ -29996,7 +30769,7 @@ var TeamApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse9(
+                if (handleErrorCodeResponse10(
                   reject,
                   error.response,
                   200,
@@ -30004,7 +30777,7 @@ var TeamApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse9(
+                if (handleErrorRangeResponse10(
                   reject,
                   error.response,
                   "4XX",
@@ -30079,7 +30852,7 @@ var TeamApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse9(
+                handleSuccessfulResponse10(
                   resolve,
                   reject,
                   response,
@@ -30091,7 +30864,7 @@ var TeamApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse9(
+                if (handleErrorCodeResponse10(
                   reject,
                   error.response,
                   200,
@@ -30099,7 +30872,7 @@ var TeamApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse9(
+                if (handleErrorRangeResponse10(
                   reject,
                   error.response,
                   "4XX",
@@ -30188,7 +30961,7 @@ var TeamApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse9(
+                handleSuccessfulResponse10(
                   resolve,
                   reject,
                   response,
@@ -30200,7 +30973,7 @@ var TeamApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse9(
+                if (handleErrorCodeResponse10(
                   reject,
                   error.response,
                   200,
@@ -30208,7 +30981,7 @@ var TeamApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse9(
+                if (handleErrorRangeResponse10(
                   reject,
                   error.response,
                   "4XX",
@@ -30226,7 +30999,7 @@ var TeamApi = class {
   }
   teamRemoveMember(_0) {
     return __async(this, arguments, function* (teamRemoveMemberRequest, options = { headers: {} }) {
-      teamRemoveMemberRequest = deserializeIfNeeded8(
+      teamRemoveMemberRequest = deserializeIfNeeded9(
         teamRemoveMemberRequest,
         "TeamRemoveMemberRequest"
       );
@@ -30302,7 +31075,7 @@ var TeamApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse9(
+              handleSuccessfulResponse10(
                 resolve,
                 reject,
                 response,
@@ -30314,7 +31087,7 @@ var TeamApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse9(
+              if (handleErrorCodeResponse10(
                 reject,
                 error.response,
                 201,
@@ -30322,7 +31095,7 @@ var TeamApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse9(
+              if (handleErrorRangeResponse10(
                 reject,
                 error.response,
                 "4XX",
@@ -30410,7 +31183,7 @@ var TeamApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse9(
+                handleSuccessfulResponse10(
                   resolve,
                   reject,
                   response,
@@ -30422,7 +31195,7 @@ var TeamApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse9(
+                if (handleErrorCodeResponse10(
                   reject,
                   error.response,
                   200,
@@ -30430,7 +31203,7 @@ var TeamApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse9(
+                if (handleErrorRangeResponse10(
                   reject,
                   error.response,
                   "4XX",
@@ -30448,7 +31221,7 @@ var TeamApi = class {
   }
   teamUpdate(_0) {
     return __async(this, arguments, function* (teamUpdateRequest, options = { headers: {} }) {
-      teamUpdateRequest = deserializeIfNeeded8(
+      teamUpdateRequest = deserializeIfNeeded9(
         teamUpdateRequest,
         "TeamUpdateRequest"
       );
@@ -30521,7 +31294,7 @@ var TeamApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse9(
+              handleSuccessfulResponse10(
                 resolve,
                 reject,
                 response,
@@ -30533,7 +31306,7 @@ var TeamApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse9(
+              if (handleErrorCodeResponse10(
                 reject,
                 error.response,
                 200,
@@ -30541,7 +31314,7 @@ var TeamApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse9(
+              if (handleErrorRangeResponse10(
                 reject,
                 error.response,
                 "4XX",
@@ -30557,13 +31330,13 @@ var TeamApi = class {
     });
   }
 };
-function deserializeIfNeeded8(obj, classname) {
+function deserializeIfNeeded9(obj, classname) {
   if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
     return ObjectSerializer.deserialize(obj, classname);
   }
   return obj;
 }
-function handleSuccessfulResponse9(resolve, reject, response, returnType) {
+function handleSuccessfulResponse10(resolve, reject, response, returnType) {
   let body = response.data;
   if (response.status && response.status >= 200 && response.status <= 299) {
     if (returnType) {
@@ -30574,7 +31347,7 @@ function handleSuccessfulResponse9(resolve, reject, response, returnType) {
     reject(new HttpError(response, body, response.status));
   }
 }
-function handleErrorCodeResponse9(reject, response, code, returnType) {
+function handleErrorCodeResponse10(reject, response, code, returnType) {
   if (response.status !== code) {
     return false;
   }
@@ -30582,7 +31355,7 @@ function handleErrorCodeResponse9(reject, response, code, returnType) {
   reject(new HttpError(response, body, response.status));
   return true;
 }
-function handleErrorRangeResponse9(reject, response, code, returnType) {
+function handleErrorRangeResponse10(reject, response, code, returnType) {
   let rangeCodeLeft = Number(code[0] + "00");
   let rangeCodeRight = Number(code[0] + "99");
   if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
@@ -30594,10 +31367,10 @@ function handleErrorRangeResponse9(reject, response, code, returnType) {
 }
 
 // api/templateApi.ts
-var defaultBasePath10 = "https://api.hellosign.com/v3";
+var defaultBasePath11 = "https://api.hellosign.com/v3";
 var TemplateApi = class {
   constructor(basePath) {
-    this._basePath = defaultBasePath10;
+    this._basePath = defaultBasePath11;
     this._defaultHeaders = { "User-Agent": USER_AGENT };
     this._useQuerystring = false;
     this.authentications = {
@@ -30645,7 +31418,7 @@ var TemplateApi = class {
   }
   templateAddUser(_0, _1) {
     return __async(this, arguments, function* (templateId, templateAddUserRequest, options = { headers: {} }) {
-      templateAddUserRequest = deserializeIfNeeded9(
+      templateAddUserRequest = deserializeIfNeeded10(
         templateAddUserRequest,
         "TemplateAddUserRequest"
       );
@@ -30730,7 +31503,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -30742,7 +31515,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -30750,7 +31523,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -30768,7 +31541,7 @@ var TemplateApi = class {
   }
   templateCreate(_0) {
     return __async(this, arguments, function* (templateCreateRequest, options = { headers: {} }) {
-      templateCreateRequest = deserializeIfNeeded9(
+      templateCreateRequest = deserializeIfNeeded10(
         templateCreateRequest,
         "TemplateCreateRequest"
       );
@@ -30845,7 +31618,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -30857,7 +31630,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -30865,7 +31638,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -30883,7 +31656,7 @@ var TemplateApi = class {
   }
   templateCreateEmbeddedDraft(_0) {
     return __async(this, arguments, function* (templateCreateEmbeddedDraftRequest, options = { headers: {} }) {
-      templateCreateEmbeddedDraftRequest = deserializeIfNeeded9(
+      templateCreateEmbeddedDraftRequest = deserializeIfNeeded10(
         templateCreateEmbeddedDraftRequest,
         "TemplateCreateEmbeddedDraftRequest"
       );
@@ -30960,7 +31733,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -30972,7 +31745,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -30980,7 +31753,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -31056,14 +31829,14 @@ var TemplateApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse10(resolve, reject, response);
+              handleSuccessfulResponse11(resolve, reject, response);
             },
             (error) => {
               if (error.response == null) {
                 reject(error);
                 return;
               }
-              if (handleErrorRangeResponse10(
+              if (handleErrorRangeResponse11(
                 reject,
                 error.response,
                 "4XX",
@@ -31144,7 +31917,7 @@ var TemplateApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse10(
+              handleSuccessfulResponse11(
                 resolve,
                 reject,
                 response,
@@ -31156,7 +31929,7 @@ var TemplateApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse10(
+              if (handleErrorCodeResponse11(
                 reject,
                 error.response,
                 200,
@@ -31164,7 +31937,7 @@ var TemplateApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse10(
+              if (handleErrorRangeResponse11(
                 reject,
                 error.response,
                 "4XX",
@@ -31240,7 +32013,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -31252,7 +32025,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -31260,7 +32033,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -31342,7 +32115,7 @@ var TemplateApi = class {
         return new Promise((resolve, reject) => {
           axios_default.request(localVarRequestOptions).then(
             (response) => {
-              handleSuccessfulResponse10(
+              handleSuccessfulResponse11(
                 resolve,
                 reject,
                 response,
@@ -31354,7 +32127,7 @@ var TemplateApi = class {
                 reject(error);
                 return;
               }
-              if (handleErrorCodeResponse10(
+              if (handleErrorCodeResponse11(
                 reject,
                 error.response,
                 200,
@@ -31362,7 +32135,7 @@ var TemplateApi = class {
               )) {
                 return;
               }
-              if (handleErrorRangeResponse10(
+              if (handleErrorRangeResponse11(
                 reject,
                 error.response,
                 "4XX",
@@ -31438,7 +32211,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -31450,7 +32223,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -31458,7 +32231,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -31551,7 +32324,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -31563,7 +32336,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -31571,7 +32344,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -31589,7 +32362,7 @@ var TemplateApi = class {
   }
   templateRemoveUser(_0, _1) {
     return __async(this, arguments, function* (templateId, templateRemoveUserRequest, options = { headers: {} }) {
-      templateRemoveUserRequest = deserializeIfNeeded9(
+      templateRemoveUserRequest = deserializeIfNeeded10(
         templateRemoveUserRequest,
         "TemplateRemoveUserRequest"
       );
@@ -31674,7 +32447,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -31686,7 +32459,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -31694,7 +32467,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -31712,7 +32485,7 @@ var TemplateApi = class {
   }
   templateUpdateFiles(_0, _1) {
     return __async(this, arguments, function* (templateId, templateUpdateFilesRequest, options = { headers: {} }) {
-      templateUpdateFilesRequest = deserializeIfNeeded9(
+      templateUpdateFilesRequest = deserializeIfNeeded10(
         templateUpdateFilesRequest,
         "TemplateUpdateFilesRequest"
       );
@@ -31797,7 +32570,7 @@ var TemplateApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse10(
+                handleSuccessfulResponse11(
                   resolve,
                   reject,
                   response,
@@ -31809,7 +32582,7 @@ var TemplateApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse10(
+                if (handleErrorCodeResponse11(
                   reject,
                   error.response,
                   200,
@@ -31817,7 +32590,7 @@ var TemplateApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse10(
+                if (handleErrorRangeResponse11(
                   reject,
                   error.response,
                   "4XX",
@@ -31834,13 +32607,13 @@ var TemplateApi = class {
     });
   }
 };
-function deserializeIfNeeded9(obj, classname) {
+function deserializeIfNeeded10(obj, classname) {
   if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
     return ObjectSerializer.deserialize(obj, classname);
   }
   return obj;
 }
-function handleSuccessfulResponse10(resolve, reject, response, returnType) {
+function handleSuccessfulResponse11(resolve, reject, response, returnType) {
   let body = response.data;
   if (response.status && response.status >= 200 && response.status <= 299) {
     if (returnType) {
@@ -31851,7 +32624,7 @@ function handleSuccessfulResponse10(resolve, reject, response, returnType) {
     reject(new HttpError(response, body, response.status));
   }
 }
-function handleErrorCodeResponse10(reject, response, code, returnType) {
+function handleErrorCodeResponse11(reject, response, code, returnType) {
   if (response.status !== code) {
     return false;
   }
@@ -31859,7 +32632,7 @@ function handleErrorCodeResponse10(reject, response, code, returnType) {
   reject(new HttpError(response, body, response.status));
   return true;
 }
-function handleErrorRangeResponse10(reject, response, code, returnType) {
+function handleErrorRangeResponse11(reject, response, code, returnType) {
   let rangeCodeLeft = Number(code[0] + "00");
   let rangeCodeRight = Number(code[0] + "99");
   if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
@@ -31871,10 +32644,10 @@ function handleErrorRangeResponse10(reject, response, code, returnType) {
 }
 
 // api/unclaimedDraftApi.ts
-var defaultBasePath11 = "https://api.hellosign.com/v3";
+var defaultBasePath12 = "https://api.hellosign.com/v3";
 var UnclaimedDraftApi = class {
   constructor(basePath) {
-    this._basePath = defaultBasePath11;
+    this._basePath = defaultBasePath12;
     this._defaultHeaders = { "User-Agent": USER_AGENT };
     this._useQuerystring = false;
     this.authentications = {
@@ -31922,7 +32695,7 @@ var UnclaimedDraftApi = class {
   }
   unclaimedDraftCreate(_0) {
     return __async(this, arguments, function* (unclaimedDraftCreateRequest, options = { headers: {} }) {
-      unclaimedDraftCreateRequest = deserializeIfNeeded10(
+      unclaimedDraftCreateRequest = deserializeIfNeeded11(
         unclaimedDraftCreateRequest,
         "UnclaimedDraftCreateRequest"
       );
@@ -31999,7 +32772,7 @@ var UnclaimedDraftApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse11(
+                handleSuccessfulResponse12(
                   resolve,
                   reject,
                   response,
@@ -32011,7 +32784,7 @@ var UnclaimedDraftApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse11(
+                if (handleErrorCodeResponse12(
                   reject,
                   error.response,
                   200,
@@ -32019,7 +32792,7 @@ var UnclaimedDraftApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse11(
+                if (handleErrorRangeResponse12(
                   reject,
                   error.response,
                   "4XX",
@@ -32037,7 +32810,7 @@ var UnclaimedDraftApi = class {
   }
   unclaimedDraftCreateEmbedded(_0) {
     return __async(this, arguments, function* (unclaimedDraftCreateEmbeddedRequest, options = { headers: {} }) {
-      unclaimedDraftCreateEmbeddedRequest = deserializeIfNeeded10(
+      unclaimedDraftCreateEmbeddedRequest = deserializeIfNeeded11(
         unclaimedDraftCreateEmbeddedRequest,
         "UnclaimedDraftCreateEmbeddedRequest"
       );
@@ -32114,7 +32887,7 @@ var UnclaimedDraftApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse11(
+                handleSuccessfulResponse12(
                   resolve,
                   reject,
                   response,
@@ -32126,7 +32899,7 @@ var UnclaimedDraftApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse11(
+                if (handleErrorCodeResponse12(
                   reject,
                   error.response,
                   200,
@@ -32134,7 +32907,7 @@ var UnclaimedDraftApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse11(
+                if (handleErrorRangeResponse12(
                   reject,
                   error.response,
                   "4XX",
@@ -32152,7 +32925,7 @@ var UnclaimedDraftApi = class {
   }
   unclaimedDraftCreateEmbeddedWithTemplate(_0) {
     return __async(this, arguments, function* (unclaimedDraftCreateEmbeddedWithTemplateRequest, options = { headers: {} }) {
-      unclaimedDraftCreateEmbeddedWithTemplateRequest = deserializeIfNeeded10(
+      unclaimedDraftCreateEmbeddedWithTemplateRequest = deserializeIfNeeded11(
         unclaimedDraftCreateEmbeddedWithTemplateRequest,
         "UnclaimedDraftCreateEmbeddedWithTemplateRequest"
       );
@@ -32229,7 +33002,7 @@ var UnclaimedDraftApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse11(
+                handleSuccessfulResponse12(
                   resolve,
                   reject,
                   response,
@@ -32241,7 +33014,7 @@ var UnclaimedDraftApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse11(
+                if (handleErrorCodeResponse12(
                   reject,
                   error.response,
                   200,
@@ -32249,7 +33022,7 @@ var UnclaimedDraftApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse11(
+                if (handleErrorRangeResponse12(
                   reject,
                   error.response,
                   "4XX",
@@ -32267,7 +33040,7 @@ var UnclaimedDraftApi = class {
   }
   unclaimedDraftEditAndResend(_0, _1) {
     return __async(this, arguments, function* (signatureRequestId, unclaimedDraftEditAndResendRequest, options = { headers: {} }) {
-      unclaimedDraftEditAndResendRequest = deserializeIfNeeded10(
+      unclaimedDraftEditAndResendRequest = deserializeIfNeeded11(
         unclaimedDraftEditAndResendRequest,
         "UnclaimedDraftEditAndResendRequest"
       );
@@ -32352,7 +33125,7 @@ var UnclaimedDraftApi = class {
           (resolve, reject) => {
             axios_default.request(localVarRequestOptions).then(
               (response) => {
-                handleSuccessfulResponse11(
+                handleSuccessfulResponse12(
                   resolve,
                   reject,
                   response,
@@ -32364,7 +33137,7 @@ var UnclaimedDraftApi = class {
                   reject(error);
                   return;
                 }
-                if (handleErrorCodeResponse11(
+                if (handleErrorCodeResponse12(
                   reject,
                   error.response,
                   200,
@@ -32372,7 +33145,7 @@ var UnclaimedDraftApi = class {
                 )) {
                   return;
                 }
-                if (handleErrorRangeResponse11(
+                if (handleErrorRangeResponse12(
                   reject,
                   error.response,
                   "4XX",
@@ -32389,13 +33162,13 @@ var UnclaimedDraftApi = class {
     });
   }
 };
-function deserializeIfNeeded10(obj, classname) {
+function deserializeIfNeeded11(obj, classname) {
   if (obj !== null && obj !== void 0 && obj.constructor.name !== classname) {
     return ObjectSerializer.deserialize(obj, classname);
   }
   return obj;
 }
-function handleSuccessfulResponse11(resolve, reject, response, returnType) {
+function handleSuccessfulResponse12(resolve, reject, response, returnType) {
   let body = response.data;
   if (response.status && response.status >= 200 && response.status <= 299) {
     if (returnType) {
@@ -32406,7 +33179,7 @@ function handleSuccessfulResponse11(resolve, reject, response, returnType) {
     reject(new HttpError(response, body, response.status));
   }
 }
-function handleErrorCodeResponse11(reject, response, code, returnType) {
+function handleErrorCodeResponse12(reject, response, code, returnType) {
   if (response.status !== code) {
     return false;
   }
@@ -32414,7 +33187,7 @@ function handleErrorCodeResponse11(reject, response, code, returnType) {
   reject(new HttpError(response, body, response.status));
   return true;
 }
-function handleErrorRangeResponse11(reject, response, code, returnType) {
+function handleErrorRangeResponse12(reject, response, code, returnType) {
   let rangeCodeLeft = Number(code[0] + "00");
   let rangeCodeRight = Number(code[0] + "99");
   if (response.status >= rangeCodeLeft && response.status <= rangeCodeRight) {
@@ -32504,6 +33277,7 @@ var APIS = [
   ApiAppApi,
   BulkSendJobApi,
   EmbeddedApi,
+  FaxApi,
   FaxLineApi,
   OAuthApi,
   ReportApi,
@@ -32555,6 +33329,8 @@ var APIS = [
   EventCallbackRequest,
   EventCallbackRequestEvent,
   EventCallbackRequestEventMetadata,
+  FaxApi,
+  FaxGetResponse,
   FaxLineAddUserRequest,
   FaxLineApi,
   FaxLineAreaCodeGetCountryEnum,
@@ -32567,6 +33343,10 @@ var APIS = [
   FaxLineRemoveUserRequest,
   FaxLineResponse,
   FaxLineResponseFaxLine,
+  FaxListResponse,
+  FaxResponse,
+  FaxResponseTransmission,
+  FaxSendRequest,
   FileResponse,
   FileResponseDataUri,
   HttpBasicAuth,
diff --git a/sdks/node/docs/api/FaxApi.md b/sdks/node/docs/api/FaxApi.md
new file mode 100644
index 000000000..84ccc7b39
--- /dev/null
+++ b/sdks/node/docs/api/FaxApi.md
@@ -0,0 +1,458 @@
+# FaxApi
+
+All URIs are relative to https://api.hellosign.com/v3.
+
+| Method | HTTP request | Description |
+| ------------- | ------------- | ------------- |
+| [**faxDelete()**](FaxApi.md#faxDelete) | **DELETE** /fax/{fax_id} | Delete Fax |
+| [**faxFiles()**](FaxApi.md#faxFiles) | **GET** /fax/files/{fax_id} | List Fax Files |
+| [**faxGet()**](FaxApi.md#faxGet) | **GET** /fax/{fax_id} | Get Fax |
+| [**faxList()**](FaxApi.md#faxList) | **GET** /fax/list | Lists Faxes |
+| [**faxSend()**](FaxApi.md#faxSend) | **POST** /fax/send | Send Fax |
+
+
+## `faxDelete()`
+
+```typescript
+faxDelete(faxId: string)
+```
+
+Delete Fax
+
+Deletes the specified Fax from the system.
+
+### TypeScript Example
+
+```typescript
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const result = faxApi.faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+
+result.catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### JavaScript Example
+
+```javascript
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const result = faxApi.faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+
+result.catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **faxId** | **string**| Fax ID | |
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxFiles()`
+
+```typescript
+faxFiles(faxId: string): Buffer
+```
+
+List Fax Files
+
+Returns list of fax files
+
+### TypeScript Example
+
+```typescript
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+const result = faxApi.faxFiles(faxId);
+result.then(response => {
+  fs.createWriteStream('file_response.pdf').write(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### JavaScript Example
+
+```javascript
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+const result = faxApi.faxFiles(faxId);
+result.then(response => {
+  fs.createWriteStream('file_response.pdf').write(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **faxId** | **string**| Fax ID | |
+
+### Return type
+
+**Buffer**
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/pdf`, `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxGet()`
+
+```typescript
+faxGet(faxId: string): FaxGetResponse
+```
+
+Get Fax
+
+Returns information about fax
+
+### TypeScript Example
+
+```typescript
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.ApiAppApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+const result = faxApi.faxGet(faxId);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### JavaScript Example
+
+```javascript
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+const result = faxApi.faxGet(faxId);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **faxId** | **string**| Fax ID | |
+
+### Return type
+
+[**FaxGetResponse**](../model/FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxList()`
+
+```typescript
+faxList(page: number, pageSize: number): FaxListResponse
+```
+
+Lists Faxes
+
+Returns properties of multiple faxes
+
+### TypeScript Example
+
+```typescript
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const page = 1;
+const pageSize = 2;
+
+const result = faxApi.faxList(page, pageSize);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### JavaScript Example
+
+```javascript
+import * as DropboxSign from "@dropbox/sign";
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+const page = 1;
+const pageSize = 2;
+
+const result = faxApi.faxList(page, pageSize);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **page** | **number**| Page | [optional] [default to 1] |
+| **pageSize** | **number**| Page size | [optional] [default to 20] |
+
+### Return type
+
+[**FaxListResponse**](../model/FaxListResponse.md)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxSend()`
+
+```typescript
+faxSend(faxSendRequest: FaxSendRequest): FaxGetResponse
+```
+
+Send Fax
+
+Action to prepare and send a fax
+
+### TypeScript Example
+
+```typescript
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+// Upload a local file
+const file = fs.createReadStream("example_signature_request.pdf");
+
+// or, upload from buffer
+const fileBuffer: DropboxSign.RequestDetailedFile = {
+  value: fs.readFileSync("example_signature_request.pdf"),
+  options: {
+    filename: "example_signature_request.pdf",
+    contentType: "application/pdf",
+  },
+};
+
+// or, upload from buffer alternative
+const fileBufferAlt: DropboxSign.RequestDetailedFile = {
+  value: Buffer.from("abc-123"),
+  options: {
+    filename: "txt-sample.txt",
+    contentType: "text/plain",
+  },
+};
+
+const data: DropboxSign.FaxSendRequest = {
+  files: [ file, fileBuffer, fileBufferAlt ],
+  testMode: true,
+  recipient: "16690000001",
+  sender: "16690000000",
+  coverPageTo: "Jill Fax",
+  coverPageMessage: "I'm sending you a fax!",
+  coverPageFrom: "Faxer Faxerson",
+  title: "This is what the fax is about!",
+};
+
+const result = faxApi.faxSend(data);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### JavaScript Example
+
+```javascript
+import * as DropboxSign from "@dropbox/sign";
+import * as fs from 'fs';
+
+const faxApi = new DropboxSign.FaxApi();
+
+// Configure HTTP basic authorization: api_key
+faxApi.username = "YOUR_API_KEY";
+
+// Upload a local file
+const file = fs.createReadStream("example_signature_request.pdf");
+
+// or, upload from buffer
+const fileBuffer = {
+  value: fs.readFileSync("example_signature_request.pdf"),
+  options: {
+    filename: "example_signature_request.pdf",
+    contentType: "application/pdf",
+  },
+};
+
+// or, upload from buffer alternative
+const fileBufferAlt = {
+  value: Buffer.from("abc-123"),
+  options: {
+    filename: "txt-sample.txt",
+    contentType: "text/plain",
+  },
+};
+
+const data = {
+  files: [ file, fileBuffer, fileBufferAlt ],
+  testMode: true,
+  recipient: "16690000001",
+  sender: "16690000000",
+  coverPageTo: "Jill Fax",
+  coverPageMessage: "I'm sending you a fax!",
+  coverPageFrom: "Faxer Faxerson",
+  title: "This is what the fax is about!",
+};
+
+const result = faxApi.faxSend(data);
+result.then(response => {
+  console.log(response.body);
+}).catch(error => {
+  console.log("Exception when calling Dropbox Sign API:");
+  console.log(error.body);
+});
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **faxSendRequest** | [**FaxSendRequest**](../model/FaxSendRequest.md)|  | |
+
+### Return type
+
+[**FaxGetResponse**](../model/FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: `application/json`, `multipart/form-data`
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
diff --git a/sdks/node/docs/model/FaxGetResponse.md b/sdks/node/docs/model/FaxGetResponse.md
new file mode 100644
index 000000000..d688d55b8
--- /dev/null
+++ b/sdks/node/docs/model/FaxGetResponse.md
@@ -0,0 +1,12 @@
+# # FaxGetResponse
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `fax`<sup>*_required_</sup> | [```FaxResponse```](FaxResponse.md) |    |  |
+| `warnings` | [```Array<WarningResponse>```](WarningResponse.md) |  A list of warnings.  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/node/docs/model/FaxListResponse.md b/sdks/node/docs/model/FaxListResponse.md
new file mode 100644
index 000000000..53d9cf57c
--- /dev/null
+++ b/sdks/node/docs/model/FaxListResponse.md
@@ -0,0 +1,12 @@
+# # FaxListResponse
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `faxes`<sup>*_required_</sup> | [```Array<FaxResponse>```](FaxResponse.md) |    |  |
+| `listInfo`<sup>*_required_</sup> | [```ListInfoResponse```](ListInfoResponse.md) |    |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/node/docs/model/FaxResponse.md b/sdks/node/docs/model/FaxResponse.md
new file mode 100644
index 000000000..413a36b71
--- /dev/null
+++ b/sdks/node/docs/model/FaxResponse.md
@@ -0,0 +1,20 @@
+# # FaxResponse
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `faxId`<sup>*_required_</sup> | ```string``` |  Fax ID  |  |
+| `title`<sup>*_required_</sup> | ```string``` |  Fax Title  |  |
+| `originalTitle`<sup>*_required_</sup> | ```string``` |  Fax Original Title  |  |
+| `subject`<sup>*_required_</sup> | ```string``` |  Fax Subject  |  |
+| `message`<sup>*_required_</sup> | ```string``` |  Fax Message  |  |
+| `metadata`<sup>*_required_</sup> | ```{ [key: string]: any; }``` |  Fax Metadata  |  |
+| `createdAt`<sup>*_required_</sup> | ```number``` |  Fax Created At Timestamp  |  |
+| `sender`<sup>*_required_</sup> | ```string``` |  Fax Sender Email  |  |
+| `transmissions`<sup>*_required_</sup> | [```Array<FaxResponseTransmission>```](FaxResponseTransmission.md) |  Fax Transmissions List  |  |
+| `filesUrl`<sup>*_required_</sup> | ```string``` |  Fax Files URL  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/node/docs/model/FaxResponseTransmission.md b/sdks/node/docs/model/FaxResponseTransmission.md
new file mode 100644
index 000000000..c0d8491c0
--- /dev/null
+++ b/sdks/node/docs/model/FaxResponseTransmission.md
@@ -0,0 +1,14 @@
+# # FaxResponseTransmission
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `recipient`<sup>*_required_</sup> | ```string``` |  Fax Transmission Recipient  |  |
+| `sender`<sup>*_required_</sup> | ```string``` |  Fax Transmission Sender  |  |
+| `statusCode`<sup>*_required_</sup> | ```string``` |  Fax Transmission Status Code  |  |
+| `sentAt` | ```number``` |  Fax Transmission Sent Timestamp  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/node/docs/model/FaxSendRequest.md b/sdks/node/docs/model/FaxSendRequest.md
new file mode 100644
index 000000000..72ebb6fb0
--- /dev/null
+++ b/sdks/node/docs/model/FaxSendRequest.md
@@ -0,0 +1,19 @@
+# # FaxSendRequest
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `recipient`<sup>*_required_</sup> | ```string``` |  Fax Send To Recipient  |  |
+| `sender` | ```string``` |  Fax Send From Sender (used only with fax number)  |  |
+| `files` | ```Array<RequestFile>``` |  Fax File to Send  |  |
+| `fileUrls` | ```Array<string>``` |  Fax File URL to Send  |  |
+| `testMode` | ```boolean``` |  API Test Mode Setting  |  [default to false] |
+| `coverPageTo` | ```string``` |  Fax Cover Page for Recipient  |  |
+| `coverPageFrom` | ```string``` |  Fax Cover Page for Sender  |  |
+| `coverPageMessage` | ```string``` |  Fax Cover Page Message  |  |
+| `title` | ```string``` |  Fax Title  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/node/model/faxGetResponse.ts b/sdks/node/model/faxGetResponse.ts
new file mode 100644
index 000000000..aa016746a
--- /dev/null
+++ b/sdks/node/model/faxGetResponse.ts
@@ -0,0 +1,59 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2023 dropbox.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import { AttributeTypeMap, ObjectSerializer } from "./";
+import { FaxResponse } from "./faxResponse";
+import { WarningResponse } from "./warningResponse";
+
+export class FaxGetResponse {
+  "fax": FaxResponse;
+  /**
+   * A list of warnings.
+   */
+  "warnings"?: Array<WarningResponse>;
+
+  static discriminator: string | undefined = undefined;
+
+  static attributeTypeMap: AttributeTypeMap = [
+    {
+      name: "fax",
+      baseName: "fax",
+      type: "FaxResponse",
+    },
+    {
+      name: "warnings",
+      baseName: "warnings",
+      type: "Array<WarningResponse>",
+    },
+  ];
+
+  static getAttributeTypeMap(): AttributeTypeMap {
+    return FaxGetResponse.attributeTypeMap;
+  }
+
+  /** Attempt to instantiate and hydrate a new instance of this class */
+  static init(data: any): FaxGetResponse {
+    return ObjectSerializer.deserialize(data, "FaxGetResponse");
+  }
+}
diff --git a/sdks/node/model/faxListResponse.ts b/sdks/node/model/faxListResponse.ts
new file mode 100644
index 000000000..f3bb7bec7
--- /dev/null
+++ b/sdks/node/model/faxListResponse.ts
@@ -0,0 +1,56 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2023 dropbox.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import { AttributeTypeMap, ObjectSerializer } from "./";
+import { FaxResponse } from "./faxResponse";
+import { ListInfoResponse } from "./listInfoResponse";
+
+export class FaxListResponse {
+  "faxes": Array<FaxResponse>;
+  "listInfo": ListInfoResponse;
+
+  static discriminator: string | undefined = undefined;
+
+  static attributeTypeMap: AttributeTypeMap = [
+    {
+      name: "faxes",
+      baseName: "faxes",
+      type: "Array<FaxResponse>",
+    },
+    {
+      name: "listInfo",
+      baseName: "list_info",
+      type: "ListInfoResponse",
+    },
+  ];
+
+  static getAttributeTypeMap(): AttributeTypeMap {
+    return FaxListResponse.attributeTypeMap;
+  }
+
+  /** Attempt to instantiate and hydrate a new instance of this class */
+  static init(data: any): FaxListResponse {
+    return ObjectSerializer.deserialize(data, "FaxListResponse");
+  }
+}
diff --git a/sdks/node/model/faxResponse.ts b/sdks/node/model/faxResponse.ts
new file mode 100644
index 000000000..1697d212a
--- /dev/null
+++ b/sdks/node/model/faxResponse.ts
@@ -0,0 +1,133 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2023 dropbox.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import { AttributeTypeMap, ObjectSerializer } from "./";
+import { FaxResponseTransmission } from "./faxResponseTransmission";
+
+export class FaxResponse {
+  /**
+   * Fax ID
+   */
+  "faxId": string;
+  /**
+   * Fax Title
+   */
+  "title": string;
+  /**
+   * Fax Original Title
+   */
+  "originalTitle": string;
+  /**
+   * Fax Subject
+   */
+  "subject": string;
+  /**
+   * Fax Message
+   */
+  "message": string;
+  /**
+   * Fax Metadata
+   */
+  "metadata": { [key: string]: any };
+  /**
+   * Fax Created At Timestamp
+   */
+  "createdAt": number;
+  /**
+   * Fax Sender Email
+   */
+  "sender": string;
+  /**
+   * Fax Transmissions List
+   */
+  "transmissions": Array<FaxResponseTransmission>;
+  /**
+   * Fax Files URL
+   */
+  "filesUrl": string;
+
+  static discriminator: string | undefined = undefined;
+
+  static attributeTypeMap: AttributeTypeMap = [
+    {
+      name: "faxId",
+      baseName: "fax_id",
+      type: "string",
+    },
+    {
+      name: "title",
+      baseName: "title",
+      type: "string",
+    },
+    {
+      name: "originalTitle",
+      baseName: "original_title",
+      type: "string",
+    },
+    {
+      name: "subject",
+      baseName: "subject",
+      type: "string",
+    },
+    {
+      name: "message",
+      baseName: "message",
+      type: "string",
+    },
+    {
+      name: "metadata",
+      baseName: "metadata",
+      type: "{ [key: string]: any; }",
+    },
+    {
+      name: "createdAt",
+      baseName: "created_at",
+      type: "number",
+    },
+    {
+      name: "sender",
+      baseName: "sender",
+      type: "string",
+    },
+    {
+      name: "transmissions",
+      baseName: "transmissions",
+      type: "Array<FaxResponseTransmission>",
+    },
+    {
+      name: "filesUrl",
+      baseName: "files_url",
+      type: "string",
+    },
+  ];
+
+  static getAttributeTypeMap(): AttributeTypeMap {
+    return FaxResponse.attributeTypeMap;
+  }
+
+  /** Attempt to instantiate and hydrate a new instance of this class */
+  static init(data: any): FaxResponse {
+    return ObjectSerializer.deserialize(data, "FaxResponse");
+  }
+}
diff --git a/sdks/node/model/faxResponseTransmission.ts b/sdks/node/model/faxResponseTransmission.ts
new file mode 100644
index 000000000..f43034a9d
--- /dev/null
+++ b/sdks/node/model/faxResponseTransmission.ts
@@ -0,0 +1,91 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2023 dropbox.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import { AttributeTypeMap, ObjectSerializer } from "./";
+
+export class FaxResponseTransmission {
+  /**
+   * Fax Transmission Recipient
+   */
+  "recipient": string;
+  /**
+   * Fax Transmission Sender
+   */
+  "sender": string;
+  /**
+   * Fax Transmission Status Code
+   */
+  "statusCode": FaxResponseTransmission.StatusCodeEnum;
+  /**
+   * Fax Transmission Sent Timestamp
+   */
+  "sentAt"?: number;
+
+  static discriminator: string | undefined = undefined;
+
+  static attributeTypeMap: AttributeTypeMap = [
+    {
+      name: "recipient",
+      baseName: "recipient",
+      type: "string",
+    },
+    {
+      name: "sender",
+      baseName: "sender",
+      type: "string",
+    },
+    {
+      name: "statusCode",
+      baseName: "status_code",
+      type: "FaxResponseTransmission.StatusCodeEnum",
+    },
+    {
+      name: "sentAt",
+      baseName: "sent_at",
+      type: "number",
+    },
+  ];
+
+  static getAttributeTypeMap(): AttributeTypeMap {
+    return FaxResponseTransmission.attributeTypeMap;
+  }
+
+  /** Attempt to instantiate and hydrate a new instance of this class */
+  static init(data: any): FaxResponseTransmission {
+    return ObjectSerializer.deserialize(data, "FaxResponseTransmission");
+  }
+}
+
+export namespace FaxResponseTransmission {
+  export enum StatusCodeEnum {
+    Success = "success",
+    Transmitting = "transmitting",
+    ErrorCouldNotFax = "error_could_not_fax",
+    ErrorUnknown = "error_unknown",
+    ErrorBusy = "error_busy",
+    ErrorNoAnswer = "error_no_answer",
+    ErrorDisconnected = "error_disconnected",
+    ErrorBadDestination = "error_bad_destination",
+  }
+}
diff --git a/sdks/node/model/faxSendRequest.ts b/sdks/node/model/faxSendRequest.ts
new file mode 100644
index 000000000..11ee71ef4
--- /dev/null
+++ b/sdks/node/model/faxSendRequest.ts
@@ -0,0 +1,123 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2023 dropbox.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import { AttributeTypeMap, ObjectSerializer, RequestFile } from "./";
+
+export class FaxSendRequest {
+  /**
+   * Fax Send To Recipient
+   */
+  "recipient": string;
+  /**
+   * Fax Send From Sender (used only with fax number)
+   */
+  "sender"?: string;
+  /**
+   * Fax File to Send
+   */
+  "files"?: Array<RequestFile>;
+  /**
+   * Fax File URL to Send
+   */
+  "fileUrls"?: Array<string>;
+  /**
+   * API Test Mode Setting
+   */
+  "testMode"?: boolean = false;
+  /**
+   * Fax Cover Page for Recipient
+   */
+  "coverPageTo"?: string;
+  /**
+   * Fax Cover Page for Sender
+   */
+  "coverPageFrom"?: string;
+  /**
+   * Fax Cover Page Message
+   */
+  "coverPageMessage"?: string;
+  /**
+   * Fax Title
+   */
+  "title"?: string;
+
+  static discriminator: string | undefined = undefined;
+
+  static attributeTypeMap: AttributeTypeMap = [
+    {
+      name: "recipient",
+      baseName: "recipient",
+      type: "string",
+    },
+    {
+      name: "sender",
+      baseName: "sender",
+      type: "string",
+    },
+    {
+      name: "files",
+      baseName: "files",
+      type: "Array<RequestFile>",
+    },
+    {
+      name: "fileUrls",
+      baseName: "file_urls",
+      type: "Array<string>",
+    },
+    {
+      name: "testMode",
+      baseName: "test_mode",
+      type: "boolean",
+    },
+    {
+      name: "coverPageTo",
+      baseName: "cover_page_to",
+      type: "string",
+    },
+    {
+      name: "coverPageFrom",
+      baseName: "cover_page_from",
+      type: "string",
+    },
+    {
+      name: "coverPageMessage",
+      baseName: "cover_page_message",
+      type: "string",
+    },
+    {
+      name: "title",
+      baseName: "title",
+      type: "string",
+    },
+  ];
+
+  static getAttributeTypeMap(): AttributeTypeMap {
+    return FaxSendRequest.attributeTypeMap;
+  }
+
+  /** Attempt to instantiate and hydrate a new instance of this class */
+  static init(data: any): FaxSendRequest {
+    return ObjectSerializer.deserialize(data, "FaxSendRequest");
+  }
+}
diff --git a/sdks/node/model/index.ts b/sdks/node/model/index.ts
index c59b28024..7813c02fc 100644
--- a/sdks/node/model/index.ts
+++ b/sdks/node/model/index.ts
@@ -33,6 +33,7 @@ import { EventCallbackHelper } from "./eventCallbackHelper";
 import { EventCallbackRequest } from "./eventCallbackRequest";
 import { EventCallbackRequestEvent } from "./eventCallbackRequestEvent";
 import { EventCallbackRequestEventMetadata } from "./eventCallbackRequestEventMetadata";
+import { FaxGetResponse } from "./faxGetResponse";
 import { FaxLineAddUserRequest } from "./faxLineAddUserRequest";
 import { FaxLineAreaCodeGetCountryEnum } from "./faxLineAreaCodeGetCountryEnum";
 import { FaxLineAreaCodeGetProvinceEnum } from "./faxLineAreaCodeGetProvinceEnum";
@@ -44,6 +45,10 @@ import { FaxLineListResponse } from "./faxLineListResponse";
 import { FaxLineRemoveUserRequest } from "./faxLineRemoveUserRequest";
 import { FaxLineResponse } from "./faxLineResponse";
 import { FaxLineResponseFaxLine } from "./faxLineResponseFaxLine";
+import { FaxListResponse } from "./faxListResponse";
+import { FaxResponse } from "./faxResponse";
+import { FaxResponseTransmission } from "./faxResponseTransmission";
+import { FaxSendRequest } from "./faxSendRequest";
 import { FileResponse } from "./fileResponse";
 import { FileResponseDataUri } from "./fileResponseDataUri";
 import { ListInfoResponse } from "./listInfoResponse";
@@ -203,6 +208,8 @@ export let enumsMap: { [index: string]: any } = {
   FaxLineAreaCodeGetProvinceEnum: FaxLineAreaCodeGetProvinceEnum,
   FaxLineAreaCodeGetStateEnum: FaxLineAreaCodeGetStateEnum,
   "FaxLineCreateRequest.CountryEnum": FaxLineCreateRequest.CountryEnum,
+  "FaxResponseTransmission.StatusCodeEnum":
+    FaxResponseTransmission.StatusCodeEnum,
   "ReportCreateRequest.ReportTypeEnum": ReportCreateRequest.ReportTypeEnum,
   "ReportResponse.ReportTypeEnum": ReportResponse.ReportTypeEnum,
   SignatureRequestResponseCustomFieldTypeEnum:
@@ -279,6 +286,7 @@ export let typeMap: { [index: string]: any } = {
   EventCallbackRequest: EventCallbackRequest,
   EventCallbackRequestEvent: EventCallbackRequestEvent,
   EventCallbackRequestEventMetadata: EventCallbackRequestEventMetadata,
+  FaxGetResponse: FaxGetResponse,
   FaxLineAddUserRequest: FaxLineAddUserRequest,
   FaxLineAreaCodeGetResponse: FaxLineAreaCodeGetResponse,
   FaxLineCreateRequest: FaxLineCreateRequest,
@@ -287,6 +295,10 @@ export let typeMap: { [index: string]: any } = {
   FaxLineRemoveUserRequest: FaxLineRemoveUserRequest,
   FaxLineResponse: FaxLineResponse,
   FaxLineResponseFaxLine: FaxLineResponseFaxLine,
+  FaxListResponse: FaxListResponse,
+  FaxResponse: FaxResponse,
+  FaxResponseTransmission: FaxResponseTransmission,
+  FaxSendRequest: FaxSendRequest,
   FileResponse: FileResponse,
   FileResponseDataUri: FileResponseDataUri,
   ListInfoResponse: ListInfoResponse,
@@ -499,6 +511,7 @@ export {
   EventCallbackRequest,
   EventCallbackRequestEvent,
   EventCallbackRequestEventMetadata,
+  FaxGetResponse,
   FaxLineAddUserRequest,
   FaxLineAreaCodeGetCountryEnum,
   FaxLineAreaCodeGetProvinceEnum,
@@ -510,6 +523,10 @@ export {
   FaxLineRemoveUserRequest,
   FaxLineResponse,
   FaxLineResponseFaxLine,
+  FaxListResponse,
+  FaxResponse,
+  FaxResponseTransmission,
+  FaxSendRequest,
   FileResponse,
   FileResponseDataUri,
   HttpBasicAuth,
diff --git a/sdks/node/types/api/faxApi.d.ts b/sdks/node/types/api/faxApi.d.ts
new file mode 100644
index 000000000..f18e42259
--- /dev/null
+++ b/sdks/node/types/api/faxApi.d.ts
@@ -0,0 +1,32 @@
+import { Authentication, FaxGetResponse, FaxListResponse, FaxSendRequest, HttpBasicAuth, HttpBearerAuth, Interceptor } from "../model";
+import { optionsI, returnTypeI, returnTypeT } from "./";
+export declare enum FaxApiApiKeys {
+}
+export declare class FaxApi {
+    protected _basePath: string;
+    protected _defaultHeaders: any;
+    protected _useQuerystring: boolean;
+    protected authentications: {
+        default: Authentication;
+        api_key: HttpBasicAuth;
+        oauth2: HttpBearerAuth;
+    };
+    protected interceptors: Interceptor[];
+    constructor(basePath?: string);
+    set useQuerystring(value: boolean);
+    set basePath(basePath: string);
+    set defaultHeaders(defaultHeaders: any);
+    get defaultHeaders(): any;
+    get basePath(): string;
+    setDefaultAuthentication(auth: Authentication): void;
+    setApiKey(key: string): void;
+    set username(username: string);
+    set password(password: string);
+    set accessToken(accessToken: string | (() => string));
+    addInterceptor(interceptor: Interceptor): void;
+    faxDelete(faxId: string, options?: optionsI): Promise<returnTypeI>;
+    faxFiles(faxId: string, options?: optionsI): Promise<returnTypeT<Buffer>>;
+    faxGet(faxId: string, options?: optionsI): Promise<returnTypeT<FaxGetResponse>>;
+    faxList(page?: number, pageSize?: number, options?: optionsI): Promise<returnTypeT<FaxListResponse>>;
+    faxSend(faxSendRequest: FaxSendRequest, options?: optionsI): Promise<returnTypeT<FaxGetResponse>>;
+}
diff --git a/sdks/node/types/api/index.d.ts b/sdks/node/types/api/index.d.ts
index 567248c08..4fb28dcef 100644
--- a/sdks/node/types/api/index.d.ts
+++ b/sdks/node/types/api/index.d.ts
@@ -2,6 +2,7 @@ import { AccountApi } from "./accountApi";
 import { ApiAppApi } from "./apiAppApi";
 import { BulkSendJobApi } from "./bulkSendJobApi";
 import { EmbeddedApi } from "./embeddedApi";
+import { FaxApi } from "./faxApi";
 import { FaxLineApi } from "./faxLineApi";
 import { OAuthApi } from "./oAuthApi";
 import { ReportApi } from "./reportApi";
@@ -9,6 +10,6 @@ import { SignatureRequestApi } from "./signatureRequestApi";
 import { TeamApi } from "./teamApi";
 import { TemplateApi } from "./templateApi";
 import { UnclaimedDraftApi } from "./unclaimedDraftApi";
-export { AccountApi, ApiAppApi, BulkSendJobApi, EmbeddedApi, FaxLineApi, OAuthApi, ReportApi, SignatureRequestApi, TeamApi, TemplateApi, UnclaimedDraftApi, };
+export { AccountApi, ApiAppApi, BulkSendJobApi, EmbeddedApi, FaxApi, FaxLineApi, OAuthApi, ReportApi, SignatureRequestApi, TeamApi, TemplateApi, UnclaimedDraftApi, };
 export { generateFormData, HttpError, optionsI, queryParamsSerializer, returnTypeI, returnTypeT, toFormData, USER_AGENT, } from "./apis";
-export declare const APIS: (typeof AccountApi | typeof ApiAppApi | typeof BulkSendJobApi | typeof EmbeddedApi | typeof FaxLineApi | typeof OAuthApi | typeof ReportApi | typeof SignatureRequestApi | typeof TeamApi | typeof TemplateApi | typeof UnclaimedDraftApi)[];
+export declare const APIS: (typeof AccountApi | typeof ApiAppApi | typeof BulkSendJobApi | typeof EmbeddedApi | typeof FaxApi | typeof FaxLineApi | typeof OAuthApi | typeof ReportApi | typeof SignatureRequestApi | typeof TeamApi | typeof TemplateApi | typeof UnclaimedDraftApi)[];
diff --git a/sdks/node/types/model/faxGetResponse.d.ts b/sdks/node/types/model/faxGetResponse.d.ts
new file mode 100644
index 000000000..05b6196dd
--- /dev/null
+++ b/sdks/node/types/model/faxGetResponse.d.ts
@@ -0,0 +1,11 @@
+import { AttributeTypeMap } from "./";
+import { FaxResponse } from "./faxResponse";
+import { WarningResponse } from "./warningResponse";
+export declare class FaxGetResponse {
+    "fax": FaxResponse;
+    "warnings"?: Array<WarningResponse>;
+    static discriminator: string | undefined;
+    static attributeTypeMap: AttributeTypeMap;
+    static getAttributeTypeMap(): AttributeTypeMap;
+    static init(data: any): FaxGetResponse;
+}
diff --git a/sdks/node/types/model/faxListResponse.d.ts b/sdks/node/types/model/faxListResponse.d.ts
new file mode 100644
index 000000000..e36e8a061
--- /dev/null
+++ b/sdks/node/types/model/faxListResponse.d.ts
@@ -0,0 +1,11 @@
+import { AttributeTypeMap } from "./";
+import { FaxResponse } from "./faxResponse";
+import { ListInfoResponse } from "./listInfoResponse";
+export declare class FaxListResponse {
+    "faxes": Array<FaxResponse>;
+    "listInfo": ListInfoResponse;
+    static discriminator: string | undefined;
+    static attributeTypeMap: AttributeTypeMap;
+    static getAttributeTypeMap(): AttributeTypeMap;
+    static init(data: any): FaxListResponse;
+}
diff --git a/sdks/node/types/model/faxResponse.d.ts b/sdks/node/types/model/faxResponse.d.ts
new file mode 100644
index 000000000..6aa5f2d0a
--- /dev/null
+++ b/sdks/node/types/model/faxResponse.d.ts
@@ -0,0 +1,20 @@
+import { AttributeTypeMap } from "./";
+import { FaxResponseTransmission } from "./faxResponseTransmission";
+export declare class FaxResponse {
+    "faxId": string;
+    "title": string;
+    "originalTitle": string;
+    "subject": string;
+    "message": string;
+    "metadata": {
+        [key: string]: any;
+    };
+    "createdAt": number;
+    "sender": string;
+    "transmissions": Array<FaxResponseTransmission>;
+    "filesUrl": string;
+    static discriminator: string | undefined;
+    static attributeTypeMap: AttributeTypeMap;
+    static getAttributeTypeMap(): AttributeTypeMap;
+    static init(data: any): FaxResponse;
+}
diff --git a/sdks/node/types/model/faxResponseTransmission.d.ts b/sdks/node/types/model/faxResponseTransmission.d.ts
new file mode 100644
index 000000000..f1d587fc4
--- /dev/null
+++ b/sdks/node/types/model/faxResponseTransmission.d.ts
@@ -0,0 +1,23 @@
+import { AttributeTypeMap } from "./";
+export declare class FaxResponseTransmission {
+    "recipient": string;
+    "sender": string;
+    "statusCode": FaxResponseTransmission.StatusCodeEnum;
+    "sentAt"?: number;
+    static discriminator: string | undefined;
+    static attributeTypeMap: AttributeTypeMap;
+    static getAttributeTypeMap(): AttributeTypeMap;
+    static init(data: any): FaxResponseTransmission;
+}
+export declare namespace FaxResponseTransmission {
+    enum StatusCodeEnum {
+        Success = "success",
+        Transmitting = "transmitting",
+        ErrorCouldNotFax = "error_could_not_fax",
+        ErrorUnknown = "error_unknown",
+        ErrorBusy = "error_busy",
+        ErrorNoAnswer = "error_no_answer",
+        ErrorDisconnected = "error_disconnected",
+        ErrorBadDestination = "error_bad_destination"
+    }
+}
diff --git a/sdks/node/types/model/faxSendRequest.d.ts b/sdks/node/types/model/faxSendRequest.d.ts
new file mode 100644
index 000000000..95454724e
--- /dev/null
+++ b/sdks/node/types/model/faxSendRequest.d.ts
@@ -0,0 +1,16 @@
+import { AttributeTypeMap, RequestFile } from "./";
+export declare class FaxSendRequest {
+    "recipient": string;
+    "sender"?: string;
+    "files"?: Array<RequestFile>;
+    "fileUrls"?: Array<string>;
+    "testMode"?: boolean;
+    "coverPageTo"?: string;
+    "coverPageFrom"?: string;
+    "coverPageMessage"?: string;
+    "title"?: string;
+    static discriminator: string | undefined;
+    static attributeTypeMap: AttributeTypeMap;
+    static getAttributeTypeMap(): AttributeTypeMap;
+    static init(data: any): FaxSendRequest;
+}
diff --git a/sdks/node/types/model/index.d.ts b/sdks/node/types/model/index.d.ts
index ad7859941..664b47950 100644
--- a/sdks/node/types/model/index.d.ts
+++ b/sdks/node/types/model/index.d.ts
@@ -33,6 +33,7 @@ import { EventCallbackHelper } from "./eventCallbackHelper";
 import { EventCallbackRequest } from "./eventCallbackRequest";
 import { EventCallbackRequestEvent } from "./eventCallbackRequestEvent";
 import { EventCallbackRequestEventMetadata } from "./eventCallbackRequestEventMetadata";
+import { FaxGetResponse } from "./faxGetResponse";
 import { FaxLineAddUserRequest } from "./faxLineAddUserRequest";
 import { FaxLineAreaCodeGetCountryEnum } from "./faxLineAreaCodeGetCountryEnum";
 import { FaxLineAreaCodeGetProvinceEnum } from "./faxLineAreaCodeGetProvinceEnum";
@@ -44,6 +45,10 @@ import { FaxLineListResponse } from "./faxLineListResponse";
 import { FaxLineRemoveUserRequest } from "./faxLineRemoveUserRequest";
 import { FaxLineResponse } from "./faxLineResponse";
 import { FaxLineResponseFaxLine } from "./faxLineResponseFaxLine";
+import { FaxListResponse } from "./faxListResponse";
+import { FaxResponse } from "./faxResponse";
+import { FaxResponseTransmission } from "./faxResponseTransmission";
+import { FaxSendRequest } from "./faxSendRequest";
 import { FileResponse } from "./fileResponse";
 import { FileResponseDataUri } from "./fileResponseDataUri";
 import { ListInfoResponse } from "./listInfoResponse";
@@ -189,4 +194,4 @@ export declare let enumsMap: {
 export declare let typeMap: {
     [index: string]: any;
 };
-export { AccountCreateRequest, AccountCreateResponse, AccountGetResponse, AccountResponse, AccountResponseQuotas, AccountResponseUsage, AccountUpdateRequest, AccountVerifyRequest, AccountVerifyResponse, AccountVerifyResponseAccount, ApiAppCreateRequest, ApiAppGetResponse, ApiAppListResponse, ApiAppResponse, ApiAppResponseOAuth, ApiAppResponseOptions, ApiAppResponseOwnerAccount, ApiAppResponseWhiteLabelingOptions, ApiAppUpdateRequest, ApiKeyAuth, AttributeTypeMap, Authentication, BulkSendJobGetResponse, BulkSendJobGetResponseSignatureRequests, BulkSendJobListResponse, BulkSendJobResponse, BulkSendJobSendResponse, EmbeddedEditUrlRequest, EmbeddedEditUrlResponse, EmbeddedEditUrlResponseEmbedded, EmbeddedSignUrlResponse, EmbeddedSignUrlResponseEmbedded, ErrorResponse, ErrorResponseError, EventCallbackHelper, EventCallbackRequest, EventCallbackRequestEvent, EventCallbackRequestEventMetadata, FaxLineAddUserRequest, FaxLineAreaCodeGetCountryEnum, FaxLineAreaCodeGetProvinceEnum, FaxLineAreaCodeGetResponse, FaxLineAreaCodeGetStateEnum, FaxLineCreateRequest, FaxLineDeleteRequest, FaxLineListResponse, FaxLineRemoveUserRequest, FaxLineResponse, FaxLineResponseFaxLine, FileResponse, FileResponseDataUri, HttpBasicAuth, HttpBearerAuth, Interceptor, ListInfoResponse, OAuth, OAuthTokenGenerateRequest, OAuthTokenRefreshRequest, OAuthTokenResponse, ObjectSerializer, ReportCreateRequest, ReportCreateResponse, ReportResponse, RequestDetailedFile, RequestFile, SignatureRequestBulkCreateEmbeddedWithTemplateRequest, SignatureRequestBulkSendWithTemplateRequest, SignatureRequestCreateEmbeddedRequest, SignatureRequestCreateEmbeddedWithTemplateRequest, SignatureRequestGetResponse, SignatureRequestListResponse, SignatureRequestRemindRequest, SignatureRequestResponse, SignatureRequestResponseAttachment, SignatureRequestResponseCustomFieldBase, SignatureRequestResponseCustomFieldCheckbox, SignatureRequestResponseCustomFieldText, SignatureRequestResponseCustomFieldTypeEnum, SignatureRequestResponseDataBase, SignatureRequestResponseDataTypeEnum, SignatureRequestResponseDataValueCheckbox, SignatureRequestResponseDataValueCheckboxMerge, SignatureRequestResponseDataValueDateSigned, SignatureRequestResponseDataValueDropdown, SignatureRequestResponseDataValueInitials, SignatureRequestResponseDataValueRadio, SignatureRequestResponseDataValueSignature, SignatureRequestResponseDataValueText, SignatureRequestResponseDataValueTextMerge, SignatureRequestResponseSignatures, SignatureRequestSendRequest, SignatureRequestSendWithTemplateRequest, SignatureRequestUpdateRequest, SubAttachment, SubBulkSignerList, SubBulkSignerListCustomField, SubCC, SubCustomField, SubEditorOptions, SubFieldOptions, SubFormFieldGroup, SubFormFieldRule, SubFormFieldRuleAction, SubFormFieldRuleTrigger, SubFormFieldsPerDocumentBase, SubFormFieldsPerDocumentCheckbox, SubFormFieldsPerDocumentCheckboxMerge, SubFormFieldsPerDocumentDateSigned, SubFormFieldsPerDocumentDropdown, SubFormFieldsPerDocumentFontEnum, SubFormFieldsPerDocumentHyperlink, SubFormFieldsPerDocumentInitials, SubFormFieldsPerDocumentRadio, SubFormFieldsPerDocumentSignature, SubFormFieldsPerDocumentText, SubFormFieldsPerDocumentTextMerge, SubFormFieldsPerDocumentTypeEnum, SubMergeField, SubOAuth, SubOptions, SubSignatureRequestGroupedSigners, SubSignatureRequestSigner, SubSignatureRequestTemplateSigner, SubSigningOptions, SubTeamResponse, SubTemplateRole, SubUnclaimedDraftSigner, SubUnclaimedDraftTemplateSigner, SubWhiteLabelingOptions, TeamAddMemberRequest, TeamCreateRequest, TeamGetInfoResponse, TeamGetResponse, TeamInfoResponse, TeamInviteResponse, TeamInvitesResponse, TeamMemberResponse, TeamMembersResponse, TeamParentResponse, TeamRemoveMemberRequest, TeamResponse, TeamSubTeamsResponse, TeamUpdateRequest, TemplateAddUserRequest, TemplateCreateEmbeddedDraftRequest, TemplateCreateEmbeddedDraftResponse, TemplateCreateEmbeddedDraftResponseTemplate, TemplateCreateRequest, TemplateCreateResponse, TemplateCreateResponseTemplate, TemplateEditResponse, TemplateGetResponse, TemplateListResponse, TemplateRemoveUserRequest, TemplateResponse, TemplateResponseAccount, TemplateResponseAccountQuota, TemplateResponseCCRole, TemplateResponseDocument, TemplateResponseDocumentCustomFieldBase, TemplateResponseDocumentCustomFieldCheckbox, TemplateResponseDocumentCustomFieldText, TemplateResponseDocumentFieldGroup, TemplateResponseDocumentFieldGroupRule, TemplateResponseDocumentFormFieldBase, TemplateResponseDocumentFormFieldCheckbox, TemplateResponseDocumentFormFieldDateSigned, TemplateResponseDocumentFormFieldDropdown, TemplateResponseDocumentFormFieldHyperlink, TemplateResponseDocumentFormFieldInitials, TemplateResponseDocumentFormFieldRadio, TemplateResponseDocumentFormFieldSignature, TemplateResponseDocumentFormFieldText, TemplateResponseDocumentStaticFieldBase, TemplateResponseDocumentStaticFieldCheckbox, TemplateResponseDocumentStaticFieldDateSigned, TemplateResponseDocumentStaticFieldDropdown, TemplateResponseDocumentStaticFieldHyperlink, TemplateResponseDocumentStaticFieldInitials, TemplateResponseDocumentStaticFieldRadio, TemplateResponseDocumentStaticFieldSignature, TemplateResponseDocumentStaticFieldText, TemplateResponseFieldAvgTextLength, TemplateResponseSignerRole, TemplateUpdateFilesRequest, TemplateUpdateFilesResponse, TemplateUpdateFilesResponseTemplate, UnclaimedDraftCreateEmbeddedRequest, UnclaimedDraftCreateEmbeddedWithTemplateRequest, UnclaimedDraftCreateRequest, UnclaimedDraftCreateResponse, UnclaimedDraftEditAndResendRequest, UnclaimedDraftResponse, VoidAuth, WarningResponse, };
+export { AccountCreateRequest, AccountCreateResponse, AccountGetResponse, AccountResponse, AccountResponseQuotas, AccountResponseUsage, AccountUpdateRequest, AccountVerifyRequest, AccountVerifyResponse, AccountVerifyResponseAccount, ApiAppCreateRequest, ApiAppGetResponse, ApiAppListResponse, ApiAppResponse, ApiAppResponseOAuth, ApiAppResponseOptions, ApiAppResponseOwnerAccount, ApiAppResponseWhiteLabelingOptions, ApiAppUpdateRequest, ApiKeyAuth, AttributeTypeMap, Authentication, BulkSendJobGetResponse, BulkSendJobGetResponseSignatureRequests, BulkSendJobListResponse, BulkSendJobResponse, BulkSendJobSendResponse, EmbeddedEditUrlRequest, EmbeddedEditUrlResponse, EmbeddedEditUrlResponseEmbedded, EmbeddedSignUrlResponse, EmbeddedSignUrlResponseEmbedded, ErrorResponse, ErrorResponseError, EventCallbackHelper, EventCallbackRequest, EventCallbackRequestEvent, EventCallbackRequestEventMetadata, FaxGetResponse, FaxLineAddUserRequest, FaxLineAreaCodeGetCountryEnum, FaxLineAreaCodeGetProvinceEnum, FaxLineAreaCodeGetResponse, FaxLineAreaCodeGetStateEnum, FaxLineCreateRequest, FaxLineDeleteRequest, FaxLineListResponse, FaxLineRemoveUserRequest, FaxLineResponse, FaxLineResponseFaxLine, FaxListResponse, FaxResponse, FaxResponseTransmission, FaxSendRequest, FileResponse, FileResponseDataUri, HttpBasicAuth, HttpBearerAuth, Interceptor, ListInfoResponse, OAuth, OAuthTokenGenerateRequest, OAuthTokenRefreshRequest, OAuthTokenResponse, ObjectSerializer, ReportCreateRequest, ReportCreateResponse, ReportResponse, RequestDetailedFile, RequestFile, SignatureRequestBulkCreateEmbeddedWithTemplateRequest, SignatureRequestBulkSendWithTemplateRequest, SignatureRequestCreateEmbeddedRequest, SignatureRequestCreateEmbeddedWithTemplateRequest, SignatureRequestGetResponse, SignatureRequestListResponse, SignatureRequestRemindRequest, SignatureRequestResponse, SignatureRequestResponseAttachment, SignatureRequestResponseCustomFieldBase, SignatureRequestResponseCustomFieldCheckbox, SignatureRequestResponseCustomFieldText, SignatureRequestResponseCustomFieldTypeEnum, SignatureRequestResponseDataBase, SignatureRequestResponseDataTypeEnum, SignatureRequestResponseDataValueCheckbox, SignatureRequestResponseDataValueCheckboxMerge, SignatureRequestResponseDataValueDateSigned, SignatureRequestResponseDataValueDropdown, SignatureRequestResponseDataValueInitials, SignatureRequestResponseDataValueRadio, SignatureRequestResponseDataValueSignature, SignatureRequestResponseDataValueText, SignatureRequestResponseDataValueTextMerge, SignatureRequestResponseSignatures, SignatureRequestSendRequest, SignatureRequestSendWithTemplateRequest, SignatureRequestUpdateRequest, SubAttachment, SubBulkSignerList, SubBulkSignerListCustomField, SubCC, SubCustomField, SubEditorOptions, SubFieldOptions, SubFormFieldGroup, SubFormFieldRule, SubFormFieldRuleAction, SubFormFieldRuleTrigger, SubFormFieldsPerDocumentBase, SubFormFieldsPerDocumentCheckbox, SubFormFieldsPerDocumentCheckboxMerge, SubFormFieldsPerDocumentDateSigned, SubFormFieldsPerDocumentDropdown, SubFormFieldsPerDocumentFontEnum, SubFormFieldsPerDocumentHyperlink, SubFormFieldsPerDocumentInitials, SubFormFieldsPerDocumentRadio, SubFormFieldsPerDocumentSignature, SubFormFieldsPerDocumentText, SubFormFieldsPerDocumentTextMerge, SubFormFieldsPerDocumentTypeEnum, SubMergeField, SubOAuth, SubOptions, SubSignatureRequestGroupedSigners, SubSignatureRequestSigner, SubSignatureRequestTemplateSigner, SubSigningOptions, SubTeamResponse, SubTemplateRole, SubUnclaimedDraftSigner, SubUnclaimedDraftTemplateSigner, SubWhiteLabelingOptions, TeamAddMemberRequest, TeamCreateRequest, TeamGetInfoResponse, TeamGetResponse, TeamInfoResponse, TeamInviteResponse, TeamInvitesResponse, TeamMemberResponse, TeamMembersResponse, TeamParentResponse, TeamRemoveMemberRequest, TeamResponse, TeamSubTeamsResponse, TeamUpdateRequest, TemplateAddUserRequest, TemplateCreateEmbeddedDraftRequest, TemplateCreateEmbeddedDraftResponse, TemplateCreateEmbeddedDraftResponseTemplate, TemplateCreateRequest, TemplateCreateResponse, TemplateCreateResponseTemplate, TemplateEditResponse, TemplateGetResponse, TemplateListResponse, TemplateRemoveUserRequest, TemplateResponse, TemplateResponseAccount, TemplateResponseAccountQuota, TemplateResponseCCRole, TemplateResponseDocument, TemplateResponseDocumentCustomFieldBase, TemplateResponseDocumentCustomFieldCheckbox, TemplateResponseDocumentCustomFieldText, TemplateResponseDocumentFieldGroup, TemplateResponseDocumentFieldGroupRule, TemplateResponseDocumentFormFieldBase, TemplateResponseDocumentFormFieldCheckbox, TemplateResponseDocumentFormFieldDateSigned, TemplateResponseDocumentFormFieldDropdown, TemplateResponseDocumentFormFieldHyperlink, TemplateResponseDocumentFormFieldInitials, TemplateResponseDocumentFormFieldRadio, TemplateResponseDocumentFormFieldSignature, TemplateResponseDocumentFormFieldText, TemplateResponseDocumentStaticFieldBase, TemplateResponseDocumentStaticFieldCheckbox, TemplateResponseDocumentStaticFieldDateSigned, TemplateResponseDocumentStaticFieldDropdown, TemplateResponseDocumentStaticFieldHyperlink, TemplateResponseDocumentStaticFieldInitials, TemplateResponseDocumentStaticFieldRadio, TemplateResponseDocumentStaticFieldSignature, TemplateResponseDocumentStaticFieldText, TemplateResponseFieldAvgTextLength, TemplateResponseSignerRole, TemplateUpdateFilesRequest, TemplateUpdateFilesResponse, TemplateUpdateFilesResponseTemplate, UnclaimedDraftCreateEmbeddedRequest, UnclaimedDraftCreateEmbeddedWithTemplateRequest, UnclaimedDraftCreateRequest, UnclaimedDraftCreateResponse, UnclaimedDraftEditAndResendRequest, UnclaimedDraftResponse, VoidAuth, WarningResponse, };
diff --git a/sdks/php/README.md b/sdks/php/README.md
index b68ace90a..a219f62fb 100644
--- a/sdks/php/README.md
+++ b/sdks/php/README.md
@@ -160,6 +160,11 @@ All URIs are relative to *https://api.hellosign.com/v3*
 | *BulkSendJobApi* | [**bulkSendJobList**](docs/Api/BulkSendJobApi.md#bulksendjoblist) | **GET** /bulk_send_job/list | List Bulk Send Jobs |
 | *EmbeddedApi* | [**embeddedEditUrl**](docs/Api/EmbeddedApi.md#embeddedediturl) | **POST** /embedded/edit_url/{template_id} | Get Embedded Template Edit URL |
 | *EmbeddedApi* | [**embeddedSignUrl**](docs/Api/EmbeddedApi.md#embeddedsignurl) | **GET** /embedded/sign_url/{signature_id} | Get Embedded Sign URL |
+| *FaxApi* | [**faxDelete**](docs/Api/FaxApi.md#faxdelete) | **DELETE** /fax/{fax_id} | Delete Fax |
+| *FaxApi* | [**faxFiles**](docs/Api/FaxApi.md#faxfiles) | **GET** /fax/files/{fax_id} | List Fax Files |
+| *FaxApi* | [**faxGet**](docs/Api/FaxApi.md#faxget) | **GET** /fax/{fax_id} | Get Fax |
+| *FaxApi* | [**faxList**](docs/Api/FaxApi.md#faxlist) | **GET** /fax/list | Lists Faxes |
+| *FaxApi* | [**faxSend**](docs/Api/FaxApi.md#faxsend) | **POST** /fax/send | Send Fax |
 | *FaxLineApi* | [**faxLineAddUser**](docs/Api/FaxLineApi.md#faxlineadduser) | **PUT** /fax_line/add_user | Add Fax Line User |
 | *FaxLineApi* | [**faxLineAreaCodeGet**](docs/Api/FaxLineApi.md#faxlineareacodeget) | **GET** /fax_line/area_codes | Get Available Fax Line Area Codes |
 | *FaxLineApi* | [**faxLineCreate**](docs/Api/FaxLineApi.md#faxlinecreate) | **POST** /fax_line/create | Purchase Fax Line |
@@ -249,6 +254,7 @@ All URIs are relative to *https://api.hellosign.com/v3*
 - [EventCallbackRequest](docs/Model/EventCallbackRequest.md)
 - [EventCallbackRequestEvent](docs/Model/EventCallbackRequestEvent.md)
 - [EventCallbackRequestEventMetadata](docs/Model/EventCallbackRequestEventMetadata.md)
+- [FaxGetResponse](docs/Model/FaxGetResponse.md)
 - [FaxLineAddUserRequest](docs/Model/FaxLineAddUserRequest.md)
 - [FaxLineAreaCodeGetCountryEnum](docs/Model/FaxLineAreaCodeGetCountryEnum.md)
 - [FaxLineAreaCodeGetProvinceEnum](docs/Model/FaxLineAreaCodeGetProvinceEnum.md)
@@ -260,6 +266,10 @@ All URIs are relative to *https://api.hellosign.com/v3*
 - [FaxLineRemoveUserRequest](docs/Model/FaxLineRemoveUserRequest.md)
 - [FaxLineResponse](docs/Model/FaxLineResponse.md)
 - [FaxLineResponseFaxLine](docs/Model/FaxLineResponseFaxLine.md)
+- [FaxListResponse](docs/Model/FaxListResponse.md)
+- [FaxResponse](docs/Model/FaxResponse.md)
+- [FaxResponseTransmission](docs/Model/FaxResponseTransmission.md)
+- [FaxSendRequest](docs/Model/FaxSendRequest.md)
 - [FileResponse](docs/Model/FileResponse.md)
 - [FileResponseDataUri](docs/Model/FileResponseDataUri.md)
 - [ListInfoResponse](docs/Model/ListInfoResponse.md)
diff --git a/sdks/php/docs/Api/FaxApi.md b/sdks/php/docs/Api/FaxApi.md
new file mode 100644
index 000000000..8b68458c6
--- /dev/null
+++ b/sdks/php/docs/Api/FaxApi.md
@@ -0,0 +1,314 @@
+# Dropbox\Sign\FaxApi
+
+All URIs are relative to https://api.hellosign.com/v3.
+
+| Method | HTTP request | Description |
+| ------------- | ------------- | ------------- |
+| [**faxDelete()**](FaxApi.md#faxDelete) | **DELETE** /fax/{fax_id} | Delete Fax |
+| [**faxFiles()**](FaxApi.md#faxFiles) | **GET** /fax/files/{fax_id} | List Fax Files |
+| [**faxGet()**](FaxApi.md#faxGet) | **GET** /fax/{fax_id} | Get Fax |
+| [**faxList()**](FaxApi.md#faxList) | **GET** /fax/list | Lists Faxes |
+| [**faxSend()**](FaxApi.md#faxSend) | **POST** /fax/send | Send Fax |
+
+
+## `faxDelete()`
+
+```php
+faxDelete($fax_id)
+```
+Delete Fax
+
+Deletes the specified Fax from the system.
+
+### Example
+
+```php
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+try {
+    $faxApi->faxDelete("fa5c8a0b0f492d768749333ad6fcc214c111e967");
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **fax_id** | **string**| Fax ID | |
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxFiles()`
+
+```php
+faxFiles($fax_id): \SplFileObject
+```
+List Fax Files
+
+Returns list of fax files
+
+### Example
+
+```php
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+try {
+    $result = $faxApi->faxFiles($faxId);
+    copy($result->getRealPath(), __DIR__ . '/file_response.pdf');
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **fax_id** | **string**| Fax ID | |
+
+### Return type
+
+**\SplFileObject**
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/pdf`, `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxGet()`
+
+```php
+faxGet($fax_id): \Dropbox\Sign\Model\FaxGetResponse
+```
+Get Fax
+
+Returns information about fax
+
+### Example
+
+```php
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967";
+
+try {
+    $result = $faxApi->faxGet($faxId);
+    print_r($result);
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **fax_id** | **string**| Fax ID | |
+
+### Return type
+
+[**\Dropbox\Sign\Model\FaxGetResponse**](../Model/FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxList()`
+
+```php
+faxList($page, $page_size): \Dropbox\Sign\Model\FaxListResponse
+```
+Lists Faxes
+
+Returns properties of multiple faxes
+
+### Example
+
+```php
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$page = 1;
+$pageSize = 2;
+
+try {
+    $result = $faxApi->faxList($page, $pageSize);
+    print_r($result);
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **page** | **int**| Page | [optional] [default to 1] |
+| **page_size** | **int**| Page size | [optional] [default to 20] |
+
+### Return type
+
+[**\Dropbox\Sign\Model\FaxListResponse**](../Model/FaxListResponse.md)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
+
+## `faxSend()`
+
+```php
+faxSend($fax_send_request): \Dropbox\Sign\Model\FaxGetResponse
+```
+Send Fax
+
+Action to prepare and send a fax
+
+### Example
+
+```php
+<?php
+
+require_once __DIR__ . "/vendor/autoload.php";
+
+$config = Dropbox\Sign\Configuration::getDefaultConfiguration();
+
+// Configure HTTP basic authorization: api_key
+$config->setUsername("YOUR_API_KEY");
+
+$faxApi = new Dropbox\Sign\Api\FaxApi($config);
+
+$data = new Dropbox\Sign\Model\FaxSendRequest();
+$data->setFiles([new SplFileObject(__DIR__ . "/example_signature_request.pdf")])
+    ->setTestMode(true)
+    ->setRecipient("16690000001")
+    ->setSender("16690000000")
+    ->setCoverPageTo("Jill Fax")
+    ->setCoverPageMessage("I'm sending you a fax!")
+    ->setCoverPageFrom("Faxer Faxerson")
+    ->setTitle("This is what the fax is about!");
+
+try {
+    $result = $faxApi->faxSend($data);
+    print_r($result);
+} catch (Dropbox\Sign\ApiException $e) {
+    $error = $e->getResponseObject();
+    echo "Exception when calling Dropbox Sign API: "
+        . print_r($error->getError());
+}
+
+```
+
+### Parameters
+
+|Name | Type | Description  | Notes |
+| ------------- | ------------- | ------------- | ------------- |
+| **fax_send_request** | [**\Dropbox\Sign\Model\FaxSendRequest**](../Model/FaxSendRequest.md)|  | |
+
+### Return type
+
+[**\Dropbox\Sign\Model\FaxGetResponse**](../Model/FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: `application/json`, `multipart/form-data`
+- **Accept**: `application/json`
+
+[[Back to top]](#) [[Back to API list]](../../README.md#endpoints)
+[[Back to Model list]](../../README.md#models)
+[[Back to README]](../../README.md)
diff --git a/sdks/php/docs/Model/FaxGetResponse.md b/sdks/php/docs/Model/FaxGetResponse.md
new file mode 100644
index 000000000..59bea7dc3
--- /dev/null
+++ b/sdks/php/docs/Model/FaxGetResponse.md
@@ -0,0 +1,12 @@
+# # FaxGetResponse
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `fax`<sup>*_required_</sup> | [```\Dropbox\Sign\Model\FaxResponse```](FaxResponse.md) |    |  |
+| `warnings` | [```\Dropbox\Sign\Model\WarningResponse[]```](WarningResponse.md) |  A list of warnings.  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/php/docs/Model/FaxListResponse.md b/sdks/php/docs/Model/FaxListResponse.md
new file mode 100644
index 000000000..5ccdafc91
--- /dev/null
+++ b/sdks/php/docs/Model/FaxListResponse.md
@@ -0,0 +1,12 @@
+# # FaxListResponse
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `faxes`<sup>*_required_</sup> | [```\Dropbox\Sign\Model\FaxResponse[]```](FaxResponse.md) |    |  |
+| `list_info`<sup>*_required_</sup> | [```\Dropbox\Sign\Model\ListInfoResponse```](ListInfoResponse.md) |    |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/php/docs/Model/FaxResponse.md b/sdks/php/docs/Model/FaxResponse.md
new file mode 100644
index 000000000..5ee5930ca
--- /dev/null
+++ b/sdks/php/docs/Model/FaxResponse.md
@@ -0,0 +1,20 @@
+# # FaxResponse
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `fax_id`<sup>*_required_</sup> | ```string``` |  Fax ID  |  |
+| `title`<sup>*_required_</sup> | ```string``` |  Fax Title  |  |
+| `original_title`<sup>*_required_</sup> | ```string``` |  Fax Original Title  |  |
+| `subject`<sup>*_required_</sup> | ```string``` |  Fax Subject  |  |
+| `message`<sup>*_required_</sup> | ```string``` |  Fax Message  |  |
+| `metadata`<sup>*_required_</sup> | ```array<string,mixed>``` |  Fax Metadata  |  |
+| `created_at`<sup>*_required_</sup> | ```int``` |  Fax Created At Timestamp  |  |
+| `sender`<sup>*_required_</sup> | ```string``` |  Fax Sender Email  |  |
+| `transmissions`<sup>*_required_</sup> | [```\Dropbox\Sign\Model\FaxResponseTransmission[]```](FaxResponseTransmission.md) |  Fax Transmissions List  |  |
+| `files_url`<sup>*_required_</sup> | ```string``` |  Fax Files URL  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/php/docs/Model/FaxResponseTransmission.md b/sdks/php/docs/Model/FaxResponseTransmission.md
new file mode 100644
index 000000000..421181a32
--- /dev/null
+++ b/sdks/php/docs/Model/FaxResponseTransmission.md
@@ -0,0 +1,14 @@
+# # FaxResponseTransmission
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `recipient`<sup>*_required_</sup> | ```string``` |  Fax Transmission Recipient  |  |
+| `sender`<sup>*_required_</sup> | ```string``` |  Fax Transmission Sender  |  |
+| `status_code`<sup>*_required_</sup> | ```string``` |  Fax Transmission Status Code  |  |
+| `sent_at` | ```int``` |  Fax Transmission Sent Timestamp  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/php/docs/Model/FaxSendRequest.md b/sdks/php/docs/Model/FaxSendRequest.md
new file mode 100644
index 000000000..dcbf730c4
--- /dev/null
+++ b/sdks/php/docs/Model/FaxSendRequest.md
@@ -0,0 +1,19 @@
+# # FaxSendRequest
+
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `recipient`<sup>*_required_</sup> | ```string``` |  Fax Send To Recipient  |  |
+| `sender` | ```string``` |  Fax Send From Sender (used only with fax number)  |  |
+| `files` | ```\SplFileObject[]``` |  Fax File to Send  |  |
+| `file_urls` | ```string[]``` |  Fax File URL to Send  |  |
+| `test_mode` | ```bool``` |  API Test Mode Setting  |  [default to false] |
+| `cover_page_to` | ```string``` |  Fax Cover Page for Recipient  |  |
+| `cover_page_from` | ```string``` |  Fax Cover Page for Sender  |  |
+| `cover_page_message` | ```string``` |  Fax Cover Page Message  |  |
+| `title` | ```string``` |  Fax Title  |  |
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/sdks/php/src/Api/FaxApi.php b/sdks/php/src/Api/FaxApi.php
new file mode 100644
index 000000000..0ae0cf38d
--- /dev/null
+++ b/sdks/php/src/Api/FaxApi.php
@@ -0,0 +1,1803 @@
+<?php
+/**
+ * FaxApi
+ * PHP version 7.4
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ */
+
+/**
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.8.0
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace Dropbox\Sign\Api;
+
+use Dropbox\Sign\ApiException;
+use Dropbox\Sign\Configuration;
+use Dropbox\Sign\HeaderSelector;
+use Dropbox\Sign\Model;
+use Dropbox\Sign\ObjectSerializer;
+use GuzzleHttp\Client;
+use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Psr7\MultipartStream;
+use GuzzleHttp\Psr7\Request;
+use GuzzleHttp\RequestOptions;
+use InvalidArgumentException;
+use JsonException;
+use Psr\Http\Message\ResponseInterface;
+use RuntimeException;
+use SplFileObject;
+
+/**
+ * FaxApi Class Doc Comment
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ */
+class FaxApi
+{
+    /** @var ClientInterface */
+    protected $client;
+
+    /** @var Configuration */
+    protected $config;
+
+    /** @var HeaderSelector */
+    protected $headerSelector;
+
+    /** @var int Host index */
+    protected $hostIndex;
+
+    /**
+     * @var string[] *
+     */
+    public const contentTypes = [
+        'faxDelete' => [
+            'application/json',
+        ],
+        'faxFiles' => [
+            'application/json',
+        ],
+        'faxGet' => [
+            'application/json',
+        ],
+        'faxList' => [
+            'application/json',
+        ],
+        'faxSend' => [
+            'application/json',
+            'multipart/form-data',
+        ],
+    ];
+
+    /** @var ResponseInterface|null */
+    protected $response;
+
+    /**
+     * @param int $hostIndex (Optional) host index to select the list of hosts if defined in the OpenAPI spec
+     */
+    public function __construct(
+        Configuration $config = null,
+        ClientInterface $client = null,
+        HeaderSelector $selector = null,
+        int $hostIndex = 0
+    ) {
+        $this->client = $client ?: new Client();
+        $this->config = $config ?: new Configuration();
+        $this->headerSelector = $selector ?: new HeaderSelector();
+        $this->hostIndex = $hostIndex;
+    }
+
+    /**
+     * Set the host index
+     *
+     * @param int $hostIndex Host index (required)
+     * @deprecated To be made private in the future
+     */
+    public function setHostIndex(int $hostIndex): void
+    {
+        $this->hostIndex = $hostIndex;
+    }
+
+    /**
+     * Get the host index
+     *
+     * @return int Host index
+     * @deprecated To be made private in the future
+     */
+    public function getHostIndex()
+    {
+        return $this->hostIndex;
+    }
+
+    /**
+     * @return Configuration
+     */
+    public function getConfig()
+    {
+        return $this->config;
+    }
+
+    /**
+     * @return ResponseInterface|null
+     */
+    public function getResponse()
+    {
+        return $this->response;
+    }
+
+    /**
+     * Operation faxDelete
+     *
+     * Delete Fax
+     *
+     * @param string $fax_id Fax ID (required)
+     *
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     */
+    public function faxDelete(string $fax_id)
+    {
+        $this->faxDeleteWithHttpInfo($fax_id);
+    }
+
+    /**
+     * Operation faxDeleteWithHttpInfo
+     *
+     * Delete Fax
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxDelete'] to see the possible values for this operation
+     *
+     * @return array of null, HTTP status code, HTTP response headers (array of strings)
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxDelete. This method will eventually become unavailable
+     */
+    public function faxDeleteWithHttpInfo(string $fax_id, string $contentType = self::contentTypes['faxDelete'][0])
+    {
+        $request = $this->faxDeleteRequest($fax_id, $contentType);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+                $this->response = $response;
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string)$e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string)$request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string)$response->getBody()
+                );
+            }
+
+            return [null, $statusCode, $response->getHeaders()];
+        } catch (ApiException $e) {
+            if ($this->handleRangeCodeException($e, '4XX', '\Dropbox\Sign\Model\ErrorResponse')) {
+                throw $e;
+            }
+            switch ($e->getCode()) {
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation faxDeleteAsync
+     *
+     * Delete Fax
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxDelete'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxDelete. This method will eventually become unavailable
+     */
+    public function faxDeleteAsync(string $fax_id, string $contentType = self::contentTypes['faxDelete'][0])
+    {
+        return $this->faxDeleteAsyncWithHttpInfo($fax_id, $contentType)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation faxDeleteAsyncWithHttpInfo
+     *
+     * Delete Fax
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxDelete'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxDelete. This method will eventually become unavailable
+     */
+    public function faxDeleteAsyncWithHttpInfo(string $fax_id, string $contentType = self::contentTypes['faxDelete'][0])
+    {
+        $returnType = '';
+        $request = $this->faxDeleteRequest($fax_id, $contentType);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) {
+                    return [null, $response->getStatusCode(), $response->getHeaders()];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string)$response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'faxDelete'
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxDelete'] to see the possible values for this operation
+     *
+     * @return Request
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxDelete. This method will eventually become unavailable
+     */
+    public function faxDeleteRequest(string $fax_id, string $contentType = self::contentTypes['faxDelete'][0])
+    {
+        // verify the required parameter 'fax_id' is set
+        if ($fax_id === null || (is_array($fax_id) && count($fax_id) === 0)) {
+            throw new InvalidArgumentException(
+                'Missing the required parameter $fax_id when calling faxDelete'
+            );
+        }
+
+        $resourcePath = '/fax/{fax_id}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+        // path params
+        if ($fax_id !== null) {
+            $resourcePath = str_replace(
+                '{fax_id}',
+                ObjectSerializer::toPathValue($fax_id),
+                $resourcePath
+            );
+        }
+
+        $headers = $this->headerSelector->selectHeaders(
+            $multipart ? ['multipart/form-data'] : ['application/json'],
+            $contentType,
+            $multipart
+        );
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem,
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                if (!empty($body)) {
+                    $multipartContents[] = [
+                        'name'     => 'body',
+                        'contents' => $body,
+                        'headers'  => ['Content-Type' => 'application/json'],
+                    ];
+                }
+
+                $httpBody = new MultipartStream($multipartContents);
+            } elseif (stripos($headers['Content-Type'], 'application/json') !== false) {
+                // if Content-Type contains "application/json", json_encode the form parameters
+                $httpBody = \GuzzleHttp\Utils::jsonEncode($formParams);
+            } else {
+                // for HTTP post (form)
+                $httpBody = ObjectSerializer::buildQuery($formParams);
+            }
+        }
+
+        // this endpoint requires HTTP basic authentication
+        if (!empty($this->config->getUsername())) {
+            $headers['Authorization'] = 'Basic ' . base64_encode($this->config->getUsername() . ':');
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $operationHost = $this->config->getHost();
+        $query = ObjectSerializer::buildQuery($queryParams);
+        return new Request(
+            'DELETE',
+            $operationHost . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation faxFiles
+     *
+     * List Fax Files
+     *
+     * @param string $fax_id Fax ID (required)
+     *
+     * @return SplFileObject
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     */
+    public function faxFiles(string $fax_id)
+    {
+        list($response) = $this->faxFilesWithHttpInfo($fax_id);
+        return $response;
+    }
+
+    /**
+     * Operation faxFilesWithHttpInfo
+     *
+     * List Fax Files
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxFiles'] to see the possible values for this operation
+     *
+     * @return array of \SplFileObject|\Dropbox\Sign\Model\ErrorResponse, HTTP status code, HTTP response headers (array of strings)
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxFiles. This method will eventually become unavailable
+     */
+    public function faxFilesWithHttpInfo(string $fax_id, string $contentType = self::contentTypes['faxFiles'][0])
+    {
+        $request = $this->faxFilesRequest($fax_id, $contentType);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+                $this->response = $response;
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string)$e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string)$request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string)$response->getBody()
+                );
+            }
+
+            $result = $this->handleRangeCodeResponse(
+                $response,
+                '4XX',
+                '\Dropbox\Sign\Model\ErrorResponse'
+            );
+            if ($result) {
+                return $result;
+            }
+
+            switch ($statusCode) {
+                case 200:
+                    if ('\SplFileObject' === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ('\SplFileObject' !== 'string') {
+                            try {
+                                $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                            } catch (JsonException $exception) {
+                                throw new ApiException(
+                                    sprintf(
+                                        'Error JSON decoding server response (%s)',
+                                        $request->getUri()
+                                    ),
+                                    $statusCode,
+                                    $response->getHeaders(),
+                                    $content
+                                );
+                            }
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\SplFileObject', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+            }
+
+            $returnType = '\SplFileObject';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); // stream goes to serializer
+            } else {
+                $content = (string)$response->getBody();
+                if ($returnType !== 'string') {
+                    try {
+                        $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                    } catch (JsonException $exception) {
+                        throw new ApiException(
+                            sprintf(
+                                'Error JSON decoding server response (%s)',
+                                $request->getUri()
+                            ),
+                            $statusCode,
+                            $response->getHeaders(),
+                            $content
+                        );
+                    }
+                }
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders(),
+            ];
+        } catch (ApiException $e) {
+            if ($this->handleRangeCodeException($e, '4XX', '\Dropbox\Sign\Model\ErrorResponse')) {
+                throw $e;
+            }
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\SplFileObject',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation faxFilesAsync
+     *
+     * List Fax Files
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxFiles'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxFiles. This method will eventually become unavailable
+     */
+    public function faxFilesAsync(string $fax_id, string $contentType = self::contentTypes['faxFiles'][0])
+    {
+        return $this->faxFilesAsyncWithHttpInfo($fax_id, $contentType)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation faxFilesAsyncWithHttpInfo
+     *
+     * List Fax Files
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxFiles'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxFiles. This method will eventually become unavailable
+     */
+    public function faxFilesAsyncWithHttpInfo(string $fax_id, string $contentType = self::contentTypes['faxFiles'][0])
+    {
+        $returnType = '\SplFileObject';
+        $request = $this->faxFilesRequest($fax_id, $contentType);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ($returnType !== 'string') {
+                            $content = json_decode($content);
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string)$response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'faxFiles'
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxFiles'] to see the possible values for this operation
+     *
+     * @return Request
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxFiles. This method will eventually become unavailable
+     */
+    public function faxFilesRequest(string $fax_id, string $contentType = self::contentTypes['faxFiles'][0])
+    {
+        // verify the required parameter 'fax_id' is set
+        if ($fax_id === null || (is_array($fax_id) && count($fax_id) === 0)) {
+            throw new InvalidArgumentException(
+                'Missing the required parameter $fax_id when calling faxFiles'
+            );
+        }
+
+        $resourcePath = '/fax/files/{fax_id}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+        // path params
+        if ($fax_id !== null) {
+            $resourcePath = str_replace(
+                '{fax_id}',
+                ObjectSerializer::toPathValue($fax_id),
+                $resourcePath
+            );
+        }
+
+        $headers = $this->headerSelector->selectHeaders(
+            $multipart ? ['multipart/form-data'] : ['application/pdf', 'application/json'],
+            $contentType,
+            $multipart
+        );
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem,
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                if (!empty($body)) {
+                    $multipartContents[] = [
+                        'name'     => 'body',
+                        'contents' => $body,
+                        'headers'  => ['Content-Type' => 'application/json'],
+                    ];
+                }
+
+                $httpBody = new MultipartStream($multipartContents);
+            } elseif (stripos($headers['Content-Type'], 'application/json') !== false) {
+                // if Content-Type contains "application/json", json_encode the form parameters
+                $httpBody = \GuzzleHttp\Utils::jsonEncode($formParams);
+            } else {
+                // for HTTP post (form)
+                $httpBody = ObjectSerializer::buildQuery($formParams);
+            }
+        }
+
+        // this endpoint requires HTTP basic authentication
+        if (!empty($this->config->getUsername())) {
+            $headers['Authorization'] = 'Basic ' . base64_encode($this->config->getUsername() . ':');
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $operationHost = $this->config->getHost();
+        $query = ObjectSerializer::buildQuery($queryParams);
+        return new Request(
+            'GET',
+            $operationHost . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation faxGet
+     *
+     * Get Fax
+     *
+     * @param string $fax_id Fax ID (required)
+     *
+     * @return Model\FaxGetResponse
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     */
+    public function faxGet(string $fax_id)
+    {
+        list($response) = $this->faxGetWithHttpInfo($fax_id);
+        return $response;
+    }
+
+    /**
+     * Operation faxGetWithHttpInfo
+     *
+     * Get Fax
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxGet'] to see the possible values for this operation
+     *
+     * @return array of Model\FaxGetResponse, HTTP status code, HTTP response headers (array of strings)
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxGet. This method will eventually become unavailable
+     */
+    public function faxGetWithHttpInfo(string $fax_id, string $contentType = self::contentTypes['faxGet'][0])
+    {
+        $request = $this->faxGetRequest($fax_id, $contentType);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+                $this->response = $response;
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string)$e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string)$request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string)$response->getBody()
+                );
+            }
+
+            $result = $this->handleRangeCodeResponse(
+                $response,
+                '4XX',
+                '\Dropbox\Sign\Model\ErrorResponse'
+            );
+            if ($result) {
+                return $result;
+            }
+
+            switch ($statusCode) {
+                case 200:
+                    if ('\Dropbox\Sign\Model\FaxGetResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ('\Dropbox\Sign\Model\FaxGetResponse' !== 'string') {
+                            try {
+                                $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                            } catch (JsonException $exception) {
+                                throw new ApiException(
+                                    sprintf(
+                                        'Error JSON decoding server response (%s)',
+                                        $request->getUri()
+                                    ),
+                                    $statusCode,
+                                    $response->getHeaders(),
+                                    $content
+                                );
+                            }
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Dropbox\Sign\Model\FaxGetResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+            }
+
+            $returnType = '\Dropbox\Sign\Model\FaxGetResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); // stream goes to serializer
+            } else {
+                $content = (string)$response->getBody();
+                if ($returnType !== 'string') {
+                    try {
+                        $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                    } catch (JsonException $exception) {
+                        throw new ApiException(
+                            sprintf(
+                                'Error JSON decoding server response (%s)',
+                                $request->getUri()
+                            ),
+                            $statusCode,
+                            $response->getHeaders(),
+                            $content
+                        );
+                    }
+                }
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders(),
+            ];
+        } catch (ApiException $e) {
+            if ($this->handleRangeCodeException($e, '4XX', '\Dropbox\Sign\Model\ErrorResponse')) {
+                throw $e;
+            }
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Dropbox\Sign\Model\FaxGetResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation faxGetAsync
+     *
+     * Get Fax
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxGet'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxGet. This method will eventually become unavailable
+     */
+    public function faxGetAsync(string $fax_id, string $contentType = self::contentTypes['faxGet'][0])
+    {
+        return $this->faxGetAsyncWithHttpInfo($fax_id, $contentType)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation faxGetAsyncWithHttpInfo
+     *
+     * Get Fax
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxGet'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxGet. This method will eventually become unavailable
+     */
+    public function faxGetAsyncWithHttpInfo(string $fax_id, string $contentType = self::contentTypes['faxGet'][0])
+    {
+        $returnType = '\Dropbox\Sign\Model\FaxGetResponse';
+        $request = $this->faxGetRequest($fax_id, $contentType);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ($returnType !== 'string') {
+                            $content = json_decode($content);
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string)$response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'faxGet'
+     *
+     * @param string $fax_id      Fax ID (required)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxGet'] to see the possible values for this operation
+     *
+     * @return Request
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxGet. This method will eventually become unavailable
+     */
+    public function faxGetRequest(string $fax_id, string $contentType = self::contentTypes['faxGet'][0])
+    {
+        // verify the required parameter 'fax_id' is set
+        if ($fax_id === null || (is_array($fax_id) && count($fax_id) === 0)) {
+            throw new InvalidArgumentException(
+                'Missing the required parameter $fax_id when calling faxGet'
+            );
+        }
+
+        $resourcePath = '/fax/{fax_id}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+        // path params
+        if ($fax_id !== null) {
+            $resourcePath = str_replace(
+                '{fax_id}',
+                ObjectSerializer::toPathValue($fax_id),
+                $resourcePath
+            );
+        }
+
+        $headers = $this->headerSelector->selectHeaders(
+            $multipart ? ['multipart/form-data'] : ['application/json'],
+            $contentType,
+            $multipart
+        );
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem,
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                if (!empty($body)) {
+                    $multipartContents[] = [
+                        'name'     => 'body',
+                        'contents' => $body,
+                        'headers'  => ['Content-Type' => 'application/json'],
+                    ];
+                }
+
+                $httpBody = new MultipartStream($multipartContents);
+            } elseif (stripos($headers['Content-Type'], 'application/json') !== false) {
+                // if Content-Type contains "application/json", json_encode the form parameters
+                $httpBody = \GuzzleHttp\Utils::jsonEncode($formParams);
+            } else {
+                // for HTTP post (form)
+                $httpBody = ObjectSerializer::buildQuery($formParams);
+            }
+        }
+
+        // this endpoint requires HTTP basic authentication
+        if (!empty($this->config->getUsername())) {
+            $headers['Authorization'] = 'Basic ' . base64_encode($this->config->getUsername() . ':');
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $operationHost = $this->config->getHost();
+        $query = ObjectSerializer::buildQuery($queryParams);
+        return new Request(
+            'GET',
+            $operationHost . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation faxList
+     *
+     * Lists Faxes
+     *
+     * @param int $page      Page (optional, default to 1)
+     * @param int $page_size Page size (optional, default to 20)
+     *
+     * @return Model\FaxListResponse
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     */
+    public function faxList(int $page = 1, int $page_size = 20)
+    {
+        list($response) = $this->faxListWithHttpInfo($page, $page_size);
+        return $response;
+    }
+
+    /**
+     * Operation faxListWithHttpInfo
+     *
+     * Lists Faxes
+     *
+     * @param int    $page        Page (optional, default to 1)
+     * @param int    $page_size   Page size (optional, default to 20)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxList'] to see the possible values for this operation
+     *
+     * @return array of Model\FaxListResponse, HTTP status code, HTTP response headers (array of strings)
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxList. This method will eventually become unavailable
+     */
+    public function faxListWithHttpInfo(int $page = 1, int $page_size = 20, string $contentType = self::contentTypes['faxList'][0])
+    {
+        $request = $this->faxListRequest($page, $page_size, $contentType);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+                $this->response = $response;
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string)$e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string)$request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string)$response->getBody()
+                );
+            }
+
+            $result = $this->handleRangeCodeResponse(
+                $response,
+                '4XX',
+                '\Dropbox\Sign\Model\ErrorResponse'
+            );
+            if ($result) {
+                return $result;
+            }
+
+            switch ($statusCode) {
+                case 200:
+                    if ('\Dropbox\Sign\Model\FaxListResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ('\Dropbox\Sign\Model\FaxListResponse' !== 'string') {
+                            try {
+                                $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                            } catch (JsonException $exception) {
+                                throw new ApiException(
+                                    sprintf(
+                                        'Error JSON decoding server response (%s)',
+                                        $request->getUri()
+                                    ),
+                                    $statusCode,
+                                    $response->getHeaders(),
+                                    $content
+                                );
+                            }
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Dropbox\Sign\Model\FaxListResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+            }
+
+            $returnType = '\Dropbox\Sign\Model\FaxListResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); // stream goes to serializer
+            } else {
+                $content = (string)$response->getBody();
+                if ($returnType !== 'string') {
+                    try {
+                        $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                    } catch (JsonException $exception) {
+                        throw new ApiException(
+                            sprintf(
+                                'Error JSON decoding server response (%s)',
+                                $request->getUri()
+                            ),
+                            $statusCode,
+                            $response->getHeaders(),
+                            $content
+                        );
+                    }
+                }
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders(),
+            ];
+        } catch (ApiException $e) {
+            if ($this->handleRangeCodeException($e, '4XX', '\Dropbox\Sign\Model\ErrorResponse')) {
+                throw $e;
+            }
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Dropbox\Sign\Model\FaxListResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation faxListAsync
+     *
+     * Lists Faxes
+     *
+     * @param int    $page        Page (optional, default to 1)
+     * @param int    $page_size   Page size (optional, default to 20)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxList'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxList. This method will eventually become unavailable
+     */
+    public function faxListAsync(int $page = 1, int $page_size = 20, string $contentType = self::contentTypes['faxList'][0])
+    {
+        return $this->faxListAsyncWithHttpInfo($page, $page_size, $contentType)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation faxListAsyncWithHttpInfo
+     *
+     * Lists Faxes
+     *
+     * @param int    $page        Page (optional, default to 1)
+     * @param int    $page_size   Page size (optional, default to 20)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxList'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxList. This method will eventually become unavailable
+     */
+    public function faxListAsyncWithHttpInfo(int $page = 1, int $page_size = 20, string $contentType = self::contentTypes['faxList'][0])
+    {
+        $returnType = '\Dropbox\Sign\Model\FaxListResponse';
+        $request = $this->faxListRequest($page, $page_size, $contentType);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ($returnType !== 'string') {
+                            $content = json_decode($content);
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string)$response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'faxList'
+     *
+     * @param int    $page        Page (optional, default to 1)
+     * @param int    $page_size   Page size (optional, default to 20)
+     * @param string $contentType The value for the Content-Type header. Check self::contentTypes['faxList'] to see the possible values for this operation
+     *
+     * @return Request
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxList. This method will eventually become unavailable
+     */
+    public function faxListRequest(int $page = 1, int $page_size = 20, string $contentType = self::contentTypes['faxList'][0])
+    {
+        if ($page !== null && $page < 1) {
+            throw new InvalidArgumentException('invalid value for "$page" when calling FaxApi.faxList, must be bigger than or equal to 1.');
+        }
+
+        if ($page_size !== null && $page_size > 100) {
+            throw new InvalidArgumentException('invalid value for "$page_size" when calling FaxApi.faxList, must be smaller than or equal to 100.');
+        }
+        if ($page_size !== null && $page_size < 1) {
+            throw new InvalidArgumentException('invalid value for "$page_size" when calling FaxApi.faxList, must be bigger than or equal to 1.');
+        }
+
+        $resourcePath = '/fax/list';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+        // query params
+        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
+            $page,
+            'page', // param base name
+            'integer', // openApiType
+            'form', // style
+            true, // explode
+            false // required
+        ) ?? []);
+        // query params
+        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
+            $page_size,
+            'page_size', // param base name
+            'integer', // openApiType
+            'form', // style
+            true, // explode
+            false // required
+        ) ?? []);
+
+        $headers = $this->headerSelector->selectHeaders(
+            $multipart ? ['multipart/form-data'] : ['application/json'],
+            $contentType,
+            $multipart
+        );
+
+        // for model (json/xml)
+        if (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem,
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                if (!empty($body)) {
+                    $multipartContents[] = [
+                        'name'     => 'body',
+                        'contents' => $body,
+                        'headers'  => ['Content-Type' => 'application/json'],
+                    ];
+                }
+
+                $httpBody = new MultipartStream($multipartContents);
+            } elseif (stripos($headers['Content-Type'], 'application/json') !== false) {
+                // if Content-Type contains "application/json", json_encode the form parameters
+                $httpBody = \GuzzleHttp\Utils::jsonEncode($formParams);
+            } else {
+                // for HTTP post (form)
+                $httpBody = ObjectSerializer::buildQuery($formParams);
+            }
+        }
+
+        // this endpoint requires HTTP basic authentication
+        if (!empty($this->config->getUsername())) {
+            $headers['Authorization'] = 'Basic ' . base64_encode($this->config->getUsername() . ':');
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $operationHost = $this->config->getHost();
+        $query = ObjectSerializer::buildQuery($queryParams);
+        return new Request(
+            'GET',
+            $operationHost . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Operation faxSend
+     *
+     * Send Fax
+     *
+     * @param Model\FaxSendRequest $fax_send_request fax_send_request (required)
+     *
+     * @return Model\FaxGetResponse
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     */
+    public function faxSend(Model\FaxSendRequest $fax_send_request)
+    {
+        list($response) = $this->faxSendWithHttpInfo($fax_send_request);
+        return $response;
+    }
+
+    /**
+     * Operation faxSendWithHttpInfo
+     *
+     * Send Fax
+     *
+     * @param Model\FaxSendRequest $fax_send_request (required)
+     * @param string               $contentType      The value for the Content-Type header. Check self::contentTypes['faxSend'] to see the possible values for this operation
+     *
+     * @return array of Model\FaxGetResponse, HTTP status code, HTTP response headers (array of strings)
+     * @throws ApiException on non-2xx response or if the response body is not in the expected format
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxSend. This method will eventually become unavailable
+     */
+    public function faxSendWithHttpInfo(Model\FaxSendRequest $fax_send_request, string $contentType = self::contentTypes['faxSend'][0])
+    {
+        $request = $this->faxSendRequest($fax_send_request, $contentType);
+
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+                $this->response = $response;
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? (string)$e->getResponse()->getBody() : null
+                );
+            } catch (ConnectException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    (int)$e->getCode(),
+                    null,
+                    null
+                );
+            }
+
+            $statusCode = $response->getStatusCode();
+
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        (string)$request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    (string)$response->getBody()
+                );
+            }
+
+            $result = $this->handleRangeCodeResponse(
+                $response,
+                '4XX',
+                '\Dropbox\Sign\Model\ErrorResponse'
+            );
+            if ($result) {
+                return $result;
+            }
+
+            switch ($statusCode) {
+                case 200:
+                    if ('\Dropbox\Sign\Model\FaxGetResponse' === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ('\Dropbox\Sign\Model\FaxGetResponse' !== 'string') {
+                            try {
+                                $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                            } catch (JsonException $exception) {
+                                throw new ApiException(
+                                    sprintf(
+                                        'Error JSON decoding server response (%s)',
+                                        $request->getUri()
+                                    ),
+                                    $statusCode,
+                                    $response->getHeaders(),
+                                    $content
+                                );
+                            }
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, '\Dropbox\Sign\Model\FaxGetResponse', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+            }
+
+            $returnType = '\Dropbox\Sign\Model\FaxGetResponse';
+            if ($returnType === '\SplFileObject') {
+                $content = $response->getBody(); // stream goes to serializer
+            } else {
+                $content = (string)$response->getBody();
+                if ($returnType !== 'string') {
+                    try {
+                        $content = json_decode($content, false, 512, JSON_THROW_ON_ERROR);
+                    } catch (JsonException $exception) {
+                        throw new ApiException(
+                            sprintf(
+                                'Error JSON decoding server response (%s)',
+                                $request->getUri()
+                            ),
+                            $statusCode,
+                            $response->getHeaders(),
+                            $content
+                        );
+                    }
+                }
+            }
+
+            return [
+                ObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders(),
+            ];
+        } catch (ApiException $e) {
+            if ($this->handleRangeCodeException($e, '4XX', '\Dropbox\Sign\Model\ErrorResponse')) {
+                throw $e;
+            }
+            switch ($e->getCode()) {
+                case 200:
+                    $data = ObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\Dropbox\Sign\Model\FaxGetResponse',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * Operation faxSendAsync
+     *
+     * Send Fax
+     *
+     * @param Model\FaxSendRequest $fax_send_request (required)
+     * @param string               $contentType      The value for the Content-Type header. Check self::contentTypes['faxSend'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxSend. This method will eventually become unavailable
+     */
+    public function faxSendAsync(Model\FaxSendRequest $fax_send_request, string $contentType = self::contentTypes['faxSend'][0])
+    {
+        return $this->faxSendAsyncWithHttpInfo($fax_send_request, $contentType)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+
+    /**
+     * Operation faxSendAsyncWithHttpInfo
+     *
+     * Send Fax
+     *
+     * @param Model\FaxSendRequest $fax_send_request (required)
+     * @param string               $contentType      The value for the Content-Type header. Check self::contentTypes['faxSend'] to see the possible values for this operation
+     *
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxSend. This method will eventually become unavailable
+     */
+    public function faxSendAsyncWithHttpInfo(Model\FaxSendRequest $fax_send_request, string $contentType = self::contentTypes['faxSend'][0])
+    {
+        $returnType = '\Dropbox\Sign\Model\FaxGetResponse';
+        $request = $this->faxSendRequest($fax_send_request, $contentType);
+
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    if ($returnType === '\SplFileObject') {
+                        $content = $response->getBody(); // stream goes to serializer
+                    } else {
+                        $content = (string)$response->getBody();
+                        if ($returnType !== 'string') {
+                            $content = json_decode($content);
+                        }
+                    }
+
+                    return [
+                        ObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders(),
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        (string)$response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'faxSend'
+     *
+     * @param Model\FaxSendRequest $fax_send_request (required)
+     * @param string               $contentType      The value for the Content-Type header. Check self::contentTypes['faxSend'] to see the possible values for this operation
+     *
+     * @return Request
+     * @throws InvalidArgumentException
+     * @deprecated Prefer to use ::faxSend. This method will eventually become unavailable
+     */
+    public function faxSendRequest(Model\FaxSendRequest $fax_send_request, string $contentType = self::contentTypes['faxSend'][0])
+    {
+        // verify the required parameter 'fax_send_request' is set
+        if ($fax_send_request === null || (is_array($fax_send_request) && count($fax_send_request) === 0)) {
+            throw new InvalidArgumentException(
+                'Missing the required parameter $fax_send_request when calling faxSend'
+            );
+        }
+
+        $resourcePath = '/fax/send';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+
+        $formParams = ObjectSerializer::getFormParams(
+            $fax_send_request
+        );
+
+        $multipart = !empty($formParams);
+
+        $headers = $this->headerSelector->selectHeaders(
+            $multipart ? ['multipart/form-data'] : ['application/json'],
+            $contentType,
+            $multipart
+        );
+
+        // for model (json/xml)
+        if (count($formParams) === 0) {
+            if (stripos($headers['Content-Type'], 'application/json') !== false) {
+                // if Content-Type contains "application/json", json_encode the body
+                $httpBody = \GuzzleHttp\Utils::jsonEncode(ObjectSerializer::sanitizeForSerialization($fax_send_request));
+            } else {
+                $httpBody = $fax_send_request;
+            }
+        } elseif (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [];
+                foreach ($formParams as $formParamName => $formParamValue) {
+                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
+                    foreach ($formParamValueItems as $formParamValueItem) {
+                        $multipartContents[] = [
+                            'name' => $formParamName,
+                            'contents' => $formParamValueItem,
+                        ];
+                    }
+                }
+                // for HTTP post (form)
+                if (!empty($body)) {
+                    $multipartContents[] = [
+                        'name'     => 'body',
+                        'contents' => $body,
+                        'headers'  => ['Content-Type' => 'application/json'],
+                    ];
+                }
+
+                if ($payloadHook = $this->config->getPayloadHook()) {
+                    $payloadHook('multipart', $multipartContents, $fax_send_request);
+                }
+                $httpBody = new MultipartStream($multipartContents);
+            } elseif (stripos($headers['Content-Type'], 'application/json') !== false) {
+                // if Content-Type contains "application/json", json_encode the form parameters
+                $httpBody = \GuzzleHttp\Utils::jsonEncode($formParams);
+            } else {
+                // for HTTP post (form)
+                $httpBody = ObjectSerializer::buildQuery($formParams);
+            }
+        }
+
+        // this endpoint requires HTTP basic authentication
+        if (!empty($this->config->getUsername())) {
+            $headers['Authorization'] = 'Basic ' . base64_encode($this->config->getUsername() . ':');
+        }
+
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+
+        $operationHost = $this->config->getHost();
+        $query = ObjectSerializer::buildQuery($queryParams);
+        return new Request(
+            'POST',
+            $operationHost . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
+    /**
+     * Create http client option
+     *
+     * @return array of http client options
+     * @throws RuntimeException on file opening failure
+     */
+    protected function createHttpClientOption()
+    {
+        $options = $this->config->getOptions();
+        if ($this->config->getDebug()) {
+            $options[RequestOptions::DEBUG] = fopen($this->config->getDebugFile(), 'a');
+            if (!$options[RequestOptions::DEBUG]) {
+                throw new RuntimeException('Failed to open the debug file: ' . $this->config->getDebugFile());
+            }
+        }
+
+        return $options;
+    }
+
+    /**
+     * @return object|array|null
+     */
+    private function handleRangeCodeResponse(
+        ResponseInterface $response,
+        string $rangeCode,
+        string $returnDataType
+    ) {
+        $statusCode = $response->getStatusCode();
+        $rangeCodeLeft = (int)(substr($rangeCode, 0, 1) . '00');
+        $rangeCodeRight = (int)(substr($rangeCode, 0, 1) . '99');
+
+        if (
+            $statusCode < $rangeCodeLeft
+            || $statusCode > $rangeCodeRight
+        ) {
+            return null;
+        }
+
+        if ($returnDataType === '\SplFileObject') {
+            $content = $response->getBody(); // stream goes to serializer
+        } else {
+            $content = (string)$response->getBody();
+        }
+
+        return [
+            ObjectSerializer::deserialize($content, $returnDataType, []),
+            $statusCode,
+            $response->getHeaders(),
+        ];
+    }
+
+    /**
+     * @return object|array|null
+     */
+    private function handleRangeCodeException(
+        ApiException $e,
+        string $rangeCode,
+        string $exceptionDataType
+    ): bool {
+        $statusCode = $e->getCode();
+        $rangeCodeLeft = (int)(substr($rangeCode, 0, 1) . '00');
+        $rangeCodeRight = (int)(substr($rangeCode, 0, 1) . '99');
+
+        if (
+            $statusCode < $rangeCodeLeft
+            || $statusCode > $rangeCodeRight
+        ) {
+            return false;
+        }
+
+        $data = ObjectSerializer::deserialize(
+            $e->getResponseBody(),
+            $exceptionDataType,
+            $e->getResponseHeaders()
+        );
+
+        $e->setResponseObject($data);
+
+        return true;
+    }
+}
diff --git a/sdks/php/src/Model/FaxGetResponse.php b/sdks/php/src/Model/FaxGetResponse.php
new file mode 100644
index 000000000..232943492
--- /dev/null
+++ b/sdks/php/src/Model/FaxGetResponse.php
@@ -0,0 +1,450 @@
+<?php
+/**
+ * FaxGetResponse
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ */
+
+/**
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.8.0
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace Dropbox\Sign\Model;
+
+use ArrayAccess;
+use Dropbox\Sign\ObjectSerializer;
+use InvalidArgumentException;
+use JsonSerializable;
+use ReturnTypeWillChange;
+
+/**
+ * FaxGetResponse Class Doc Comment
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ * @implements \ArrayAccess<string, mixed>
+ */
+class FaxGetResponse implements ModelInterface, ArrayAccess, JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+     * The original name of the model.
+     *
+     * @var string
+     */
+    protected static $openAPIModelName = 'FaxGetResponse';
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @var string[]
+     */
+    protected static $openAPITypes = [
+        'fax' => '\Dropbox\Sign\Model\FaxResponse',
+        'warnings' => '\Dropbox\Sign\Model\WarningResponse[]',
+    ];
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @var string[]
+     * @phpstan-var array<string, string|null>
+     * @psalm-var array<string, string|null>
+     */
+    protected static $openAPIFormats = [
+        'fax' => null,
+        'warnings' => null,
+    ];
+
+    /**
+     * Array of nullable properties. Used for (de)serialization
+     *
+     * @var bool[]
+     */
+    protected static array $openAPINullables = [
+        'fax' => false,
+        'warnings' => false,
+    ];
+
+    /**
+     * If a nullable field gets set to null, insert it here
+     *
+     * @var bool[]
+     */
+    protected array $openAPINullablesSetToNull = [];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPITypes()
+    {
+        return self::$openAPITypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPIFormats()
+    {
+        return self::$openAPIFormats;
+    }
+
+    /**
+     * Array of nullable properties
+     */
+    protected static function openAPINullables(): array
+    {
+        return self::$openAPINullables;
+    }
+
+    /**
+     * Array of nullable field names deliberately set to null
+     *
+     * @return bool[]
+     */
+    private function getOpenAPINullablesSetToNull(): array
+    {
+        return $this->openAPINullablesSetToNull;
+    }
+
+    /**
+     * Setter - Array of nullable field names deliberately set to null
+     *
+     * @param bool[] $openAPINullablesSetToNull
+     */
+    private function setOpenAPINullablesSetToNull(array $openAPINullablesSetToNull): void
+    {
+        $this->openAPINullablesSetToNull = $openAPINullablesSetToNull;
+    }
+
+    /**
+     * Checks if a property is nullable
+     */
+    public static function isNullable(string $property): bool
+    {
+        return self::openAPINullables()[$property] ?? false;
+    }
+
+    /**
+     * Checks if a nullable property is set to null.
+     */
+    public function isNullableSetToNull(string $property): bool
+    {
+        return in_array($property, $this->getOpenAPINullablesSetToNull(), true);
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'fax' => 'fax',
+        'warnings' => 'warnings',
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'fax' => 'setFax',
+        'warnings' => 'setWarnings',
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'fax' => 'getFax',
+        'warnings' => 'getWarnings',
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$openAPIModelName;
+    }
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->setIfExists('fax', $data ?? [], null);
+        $this->setIfExists('warnings', $data ?? [], null);
+    }
+
+    /**
+     * @deprecated use ::init()
+     */
+    public static function fromArray(array $data): FaxGetResponse
+    {
+        return self::init($data);
+    }
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     */
+    public static function init(array $data): FaxGetResponse
+    {
+        /** @var FaxGetResponse */
+        return ObjectSerializer::deserialize(
+            $data,
+            FaxGetResponse::class,
+        );
+    }
+
+    /**
+     * Sets $this->container[$variableName] to the given data or to the given default Value; if $variableName
+     * is nullable and its value is set to null in the $fields array, then mark it as "set to null" in the
+     * $this->openAPINullablesSetToNull array
+     *
+     * @param string|int|object|array|mixed $defaultValue
+     */
+    private function setIfExists(string $variableName, array $fields, $defaultValue): void
+    {
+        if (self::isNullable($variableName) && array_key_exists($variableName, $fields) && is_null($fields[$variableName])) {
+            $this->openAPINullablesSetToNull[] = $variableName;
+        }
+
+        $this->container[$variableName] = $fields[$variableName] ?? $defaultValue;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        if ($this->container['fax'] === null) {
+            $invalidProperties[] = "'fax' can't be null";
+        }
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+    /**
+     * Gets fax
+     *
+     * @return FaxResponse
+     */
+    public function getFax()
+    {
+        return $this->container['fax'];
+    }
+
+    /**
+     * Sets fax
+     *
+     * @param FaxResponse $fax fax
+     *
+     * @return self
+     */
+    public function setFax(FaxResponse $fax)
+    {
+        if (is_null($fax)) {
+            throw new InvalidArgumentException('non-nullable fax cannot be null');
+        }
+        $this->container['fax'] = $fax;
+
+        return $this;
+    }
+
+    /**
+     * Gets warnings
+     *
+     * @return WarningResponse[]|null
+     */
+    public function getWarnings()
+    {
+        return $this->container['warnings'];
+    }
+
+    /**
+     * Sets warnings
+     *
+     * @param WarningResponse[]|null $warnings a list of warnings
+     *
+     * @return self
+     */
+    public function setWarnings(?array $warnings)
+    {
+        if (is_null($warnings)) {
+            throw new InvalidArgumentException('non-nullable warnings cannot be null');
+        }
+        $this->container['warnings'] = $warnings;
+
+        return $this;
+    }
+
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetExists($offset): bool
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param int $offset Offset
+     *
+     * @return mixed|null
+     */
+    #[ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     */
+    #[ReturnTypeWillChange]
+    public function offsetSet($offset, $value): void
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetUnset($offset): void
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @see https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed returns data which can be serialized by json_encode(), which is a value
+     *               of any type other than a resource
+     */
+    #[ReturnTypeWillChange]
+    public function jsonSerialize()
+    {
+        return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_UNESCAPED_SLASHES
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
diff --git a/sdks/php/src/Model/FaxListResponse.php b/sdks/php/src/Model/FaxListResponse.php
new file mode 100644
index 000000000..21e89d342
--- /dev/null
+++ b/sdks/php/src/Model/FaxListResponse.php
@@ -0,0 +1,453 @@
+<?php
+/**
+ * FaxListResponse
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ */
+
+/**
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.8.0
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace Dropbox\Sign\Model;
+
+use ArrayAccess;
+use Dropbox\Sign\ObjectSerializer;
+use InvalidArgumentException;
+use JsonSerializable;
+use ReturnTypeWillChange;
+
+/**
+ * FaxListResponse Class Doc Comment
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ * @implements \ArrayAccess<string, mixed>
+ */
+class FaxListResponse implements ModelInterface, ArrayAccess, JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+     * The original name of the model.
+     *
+     * @var string
+     */
+    protected static $openAPIModelName = 'FaxListResponse';
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @var string[]
+     */
+    protected static $openAPITypes = [
+        'faxes' => '\Dropbox\Sign\Model\FaxResponse[]',
+        'list_info' => '\Dropbox\Sign\Model\ListInfoResponse',
+    ];
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @var string[]
+     * @phpstan-var array<string, string|null>
+     * @psalm-var array<string, string|null>
+     */
+    protected static $openAPIFormats = [
+        'faxes' => null,
+        'list_info' => null,
+    ];
+
+    /**
+     * Array of nullable properties. Used for (de)serialization
+     *
+     * @var bool[]
+     */
+    protected static array $openAPINullables = [
+        'faxes' => false,
+        'list_info' => false,
+    ];
+
+    /**
+     * If a nullable field gets set to null, insert it here
+     *
+     * @var bool[]
+     */
+    protected array $openAPINullablesSetToNull = [];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPITypes()
+    {
+        return self::$openAPITypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPIFormats()
+    {
+        return self::$openAPIFormats;
+    }
+
+    /**
+     * Array of nullable properties
+     */
+    protected static function openAPINullables(): array
+    {
+        return self::$openAPINullables;
+    }
+
+    /**
+     * Array of nullable field names deliberately set to null
+     *
+     * @return bool[]
+     */
+    private function getOpenAPINullablesSetToNull(): array
+    {
+        return $this->openAPINullablesSetToNull;
+    }
+
+    /**
+     * Setter - Array of nullable field names deliberately set to null
+     *
+     * @param bool[] $openAPINullablesSetToNull
+     */
+    private function setOpenAPINullablesSetToNull(array $openAPINullablesSetToNull): void
+    {
+        $this->openAPINullablesSetToNull = $openAPINullablesSetToNull;
+    }
+
+    /**
+     * Checks if a property is nullable
+     */
+    public static function isNullable(string $property): bool
+    {
+        return self::openAPINullables()[$property] ?? false;
+    }
+
+    /**
+     * Checks if a nullable property is set to null.
+     */
+    public function isNullableSetToNull(string $property): bool
+    {
+        return in_array($property, $this->getOpenAPINullablesSetToNull(), true);
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'faxes' => 'faxes',
+        'list_info' => 'list_info',
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'faxes' => 'setFaxes',
+        'list_info' => 'setListInfo',
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'faxes' => 'getFaxes',
+        'list_info' => 'getListInfo',
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$openAPIModelName;
+    }
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->setIfExists('faxes', $data ?? [], null);
+        $this->setIfExists('list_info', $data ?? [], null);
+    }
+
+    /**
+     * @deprecated use ::init()
+     */
+    public static function fromArray(array $data): FaxListResponse
+    {
+        return self::init($data);
+    }
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     */
+    public static function init(array $data): FaxListResponse
+    {
+        /** @var FaxListResponse */
+        return ObjectSerializer::deserialize(
+            $data,
+            FaxListResponse::class,
+        );
+    }
+
+    /**
+     * Sets $this->container[$variableName] to the given data or to the given default Value; if $variableName
+     * is nullable and its value is set to null in the $fields array, then mark it as "set to null" in the
+     * $this->openAPINullablesSetToNull array
+     *
+     * @param string|int|object|array|mixed $defaultValue
+     */
+    private function setIfExists(string $variableName, array $fields, $defaultValue): void
+    {
+        if (self::isNullable($variableName) && array_key_exists($variableName, $fields) && is_null($fields[$variableName])) {
+            $this->openAPINullablesSetToNull[] = $variableName;
+        }
+
+        $this->container[$variableName] = $fields[$variableName] ?? $defaultValue;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        if ($this->container['faxes'] === null) {
+            $invalidProperties[] = "'faxes' can't be null";
+        }
+        if ($this->container['list_info'] === null) {
+            $invalidProperties[] = "'list_info' can't be null";
+        }
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+    /**
+     * Gets faxes
+     *
+     * @return FaxResponse[]
+     */
+    public function getFaxes()
+    {
+        return $this->container['faxes'];
+    }
+
+    /**
+     * Sets faxes
+     *
+     * @param FaxResponse[] $faxes faxes
+     *
+     * @return self
+     */
+    public function setFaxes(array $faxes)
+    {
+        if (is_null($faxes)) {
+            throw new InvalidArgumentException('non-nullable faxes cannot be null');
+        }
+        $this->container['faxes'] = $faxes;
+
+        return $this;
+    }
+
+    /**
+     * Gets list_info
+     *
+     * @return ListInfoResponse
+     */
+    public function getListInfo()
+    {
+        return $this->container['list_info'];
+    }
+
+    /**
+     * Sets list_info
+     *
+     * @param ListInfoResponse $list_info list_info
+     *
+     * @return self
+     */
+    public function setListInfo(ListInfoResponse $list_info)
+    {
+        if (is_null($list_info)) {
+            throw new InvalidArgumentException('non-nullable list_info cannot be null');
+        }
+        $this->container['list_info'] = $list_info;
+
+        return $this;
+    }
+
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetExists($offset): bool
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param int $offset Offset
+     *
+     * @return mixed|null
+     */
+    #[ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     */
+    #[ReturnTypeWillChange]
+    public function offsetSet($offset, $value): void
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetUnset($offset): void
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @see https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed returns data which can be serialized by json_encode(), which is a value
+     *               of any type other than a resource
+     */
+    #[ReturnTypeWillChange]
+    public function jsonSerialize()
+    {
+        return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_UNESCAPED_SLASHES
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
diff --git a/sdks/php/src/Model/FaxResponse.php b/sdks/php/src/Model/FaxResponse.php
new file mode 100644
index 000000000..b60d54baa
--- /dev/null
+++ b/sdks/php/src/Model/FaxResponse.php
@@ -0,0 +1,749 @@
+<?php
+/**
+ * FaxResponse
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ */
+
+/**
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.8.0
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace Dropbox\Sign\Model;
+
+use ArrayAccess;
+use Dropbox\Sign\ObjectSerializer;
+use InvalidArgumentException;
+use JsonSerializable;
+use ReturnTypeWillChange;
+
+/**
+ * FaxResponse Class Doc Comment
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ * @implements \ArrayAccess<string, mixed>
+ */
+class FaxResponse implements ModelInterface, ArrayAccess, JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+     * The original name of the model.
+     *
+     * @var string
+     */
+    protected static $openAPIModelName = 'FaxResponse';
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @var string[]
+     */
+    protected static $openAPITypes = [
+        'fax_id' => 'string',
+        'title' => 'string',
+        'original_title' => 'string',
+        'subject' => 'string',
+        'message' => 'string',
+        'metadata' => 'array<string,mixed>',
+        'created_at' => 'int',
+        'sender' => 'string',
+        'transmissions' => '\Dropbox\Sign\Model\FaxResponseTransmission[]',
+        'files_url' => 'string',
+    ];
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @var string[]
+     * @phpstan-var array<string, string|null>
+     * @psalm-var array<string, string|null>
+     */
+    protected static $openAPIFormats = [
+        'fax_id' => null,
+        'title' => null,
+        'original_title' => null,
+        'subject' => null,
+        'message' => null,
+        'metadata' => null,
+        'created_at' => null,
+        'sender' => null,
+        'transmissions' => null,
+        'files_url' => null,
+    ];
+
+    /**
+     * Array of nullable properties. Used for (de)serialization
+     *
+     * @var bool[]
+     */
+    protected static array $openAPINullables = [
+        'fax_id' => false,
+        'title' => false,
+        'original_title' => false,
+        'subject' => false,
+        'message' => false,
+        'metadata' => false,
+        'created_at' => false,
+        'sender' => false,
+        'transmissions' => false,
+        'files_url' => false,
+    ];
+
+    /**
+     * If a nullable field gets set to null, insert it here
+     *
+     * @var bool[]
+     */
+    protected array $openAPINullablesSetToNull = [];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPITypes()
+    {
+        return self::$openAPITypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPIFormats()
+    {
+        return self::$openAPIFormats;
+    }
+
+    /**
+     * Array of nullable properties
+     */
+    protected static function openAPINullables(): array
+    {
+        return self::$openAPINullables;
+    }
+
+    /**
+     * Array of nullable field names deliberately set to null
+     *
+     * @return bool[]
+     */
+    private function getOpenAPINullablesSetToNull(): array
+    {
+        return $this->openAPINullablesSetToNull;
+    }
+
+    /**
+     * Setter - Array of nullable field names deliberately set to null
+     *
+     * @param bool[] $openAPINullablesSetToNull
+     */
+    private function setOpenAPINullablesSetToNull(array $openAPINullablesSetToNull): void
+    {
+        $this->openAPINullablesSetToNull = $openAPINullablesSetToNull;
+    }
+
+    /**
+     * Checks if a property is nullable
+     */
+    public static function isNullable(string $property): bool
+    {
+        return self::openAPINullables()[$property] ?? false;
+    }
+
+    /**
+     * Checks if a nullable property is set to null.
+     */
+    public function isNullableSetToNull(string $property): bool
+    {
+        return in_array($property, $this->getOpenAPINullablesSetToNull(), true);
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'fax_id' => 'fax_id',
+        'title' => 'title',
+        'original_title' => 'original_title',
+        'subject' => 'subject',
+        'message' => 'message',
+        'metadata' => 'metadata',
+        'created_at' => 'created_at',
+        'sender' => 'sender',
+        'transmissions' => 'transmissions',
+        'files_url' => 'files_url',
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'fax_id' => 'setFaxId',
+        'title' => 'setTitle',
+        'original_title' => 'setOriginalTitle',
+        'subject' => 'setSubject',
+        'message' => 'setMessage',
+        'metadata' => 'setMetadata',
+        'created_at' => 'setCreatedAt',
+        'sender' => 'setSender',
+        'transmissions' => 'setTransmissions',
+        'files_url' => 'setFilesUrl',
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'fax_id' => 'getFaxId',
+        'title' => 'getTitle',
+        'original_title' => 'getOriginalTitle',
+        'subject' => 'getSubject',
+        'message' => 'getMessage',
+        'metadata' => 'getMetadata',
+        'created_at' => 'getCreatedAt',
+        'sender' => 'getSender',
+        'transmissions' => 'getTransmissions',
+        'files_url' => 'getFilesUrl',
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$openAPIModelName;
+    }
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->setIfExists('fax_id', $data ?? [], null);
+        $this->setIfExists('title', $data ?? [], null);
+        $this->setIfExists('original_title', $data ?? [], null);
+        $this->setIfExists('subject', $data ?? [], null);
+        $this->setIfExists('message', $data ?? [], null);
+        $this->setIfExists('metadata', $data ?? [], null);
+        $this->setIfExists('created_at', $data ?? [], null);
+        $this->setIfExists('sender', $data ?? [], null);
+        $this->setIfExists('transmissions', $data ?? [], null);
+        $this->setIfExists('files_url', $data ?? [], null);
+    }
+
+    /**
+     * @deprecated use ::init()
+     */
+    public static function fromArray(array $data): FaxResponse
+    {
+        return self::init($data);
+    }
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     */
+    public static function init(array $data): FaxResponse
+    {
+        /** @var FaxResponse */
+        return ObjectSerializer::deserialize(
+            $data,
+            FaxResponse::class,
+        );
+    }
+
+    /**
+     * Sets $this->container[$variableName] to the given data or to the given default Value; if $variableName
+     * is nullable and its value is set to null in the $fields array, then mark it as "set to null" in the
+     * $this->openAPINullablesSetToNull array
+     *
+     * @param string|int|object|array|mixed $defaultValue
+     */
+    private function setIfExists(string $variableName, array $fields, $defaultValue): void
+    {
+        if (self::isNullable($variableName) && array_key_exists($variableName, $fields) && is_null($fields[$variableName])) {
+            $this->openAPINullablesSetToNull[] = $variableName;
+        }
+
+        $this->container[$variableName] = $fields[$variableName] ?? $defaultValue;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        if ($this->container['fax_id'] === null) {
+            $invalidProperties[] = "'fax_id' can't be null";
+        }
+        if ($this->container['title'] === null) {
+            $invalidProperties[] = "'title' can't be null";
+        }
+        if ($this->container['original_title'] === null) {
+            $invalidProperties[] = "'original_title' can't be null";
+        }
+        if ($this->container['subject'] === null) {
+            $invalidProperties[] = "'subject' can't be null";
+        }
+        if ($this->container['message'] === null) {
+            $invalidProperties[] = "'message' can't be null";
+        }
+        if ($this->container['metadata'] === null) {
+            $invalidProperties[] = "'metadata' can't be null";
+        }
+        if ($this->container['created_at'] === null) {
+            $invalidProperties[] = "'created_at' can't be null";
+        }
+        if ($this->container['sender'] === null) {
+            $invalidProperties[] = "'sender' can't be null";
+        }
+        if ($this->container['transmissions'] === null) {
+            $invalidProperties[] = "'transmissions' can't be null";
+        }
+        if ($this->container['files_url'] === null) {
+            $invalidProperties[] = "'files_url' can't be null";
+        }
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+    /**
+     * Gets fax_id
+     *
+     * @return string
+     */
+    public function getFaxId()
+    {
+        return $this->container['fax_id'];
+    }
+
+    /**
+     * Sets fax_id
+     *
+     * @param string $fax_id Fax ID
+     *
+     * @return self
+     */
+    public function setFaxId(string $fax_id)
+    {
+        if (is_null($fax_id)) {
+            throw new InvalidArgumentException('non-nullable fax_id cannot be null');
+        }
+        $this->container['fax_id'] = $fax_id;
+
+        return $this;
+    }
+
+    /**
+     * Gets title
+     *
+     * @return string
+     */
+    public function getTitle()
+    {
+        return $this->container['title'];
+    }
+
+    /**
+     * Sets title
+     *
+     * @param string $title Fax Title
+     *
+     * @return self
+     */
+    public function setTitle(string $title)
+    {
+        if (is_null($title)) {
+            throw new InvalidArgumentException('non-nullable title cannot be null');
+        }
+        $this->container['title'] = $title;
+
+        return $this;
+    }
+
+    /**
+     * Gets original_title
+     *
+     * @return string
+     */
+    public function getOriginalTitle()
+    {
+        return $this->container['original_title'];
+    }
+
+    /**
+     * Sets original_title
+     *
+     * @param string $original_title Fax Original Title
+     *
+     * @return self
+     */
+    public function setOriginalTitle(string $original_title)
+    {
+        if (is_null($original_title)) {
+            throw new InvalidArgumentException('non-nullable original_title cannot be null');
+        }
+        $this->container['original_title'] = $original_title;
+
+        return $this;
+    }
+
+    /**
+     * Gets subject
+     *
+     * @return string
+     */
+    public function getSubject()
+    {
+        return $this->container['subject'];
+    }
+
+    /**
+     * Sets subject
+     *
+     * @param string $subject Fax Subject
+     *
+     * @return self
+     */
+    public function setSubject(string $subject)
+    {
+        if (is_null($subject)) {
+            throw new InvalidArgumentException('non-nullable subject cannot be null');
+        }
+        $this->container['subject'] = $subject;
+
+        return $this;
+    }
+
+    /**
+     * Gets message
+     *
+     * @return string
+     */
+    public function getMessage()
+    {
+        return $this->container['message'];
+    }
+
+    /**
+     * Sets message
+     *
+     * @param string $message Fax Message
+     *
+     * @return self
+     */
+    public function setMessage(string $message)
+    {
+        if (is_null($message)) {
+            throw new InvalidArgumentException('non-nullable message cannot be null');
+        }
+        $this->container['message'] = $message;
+
+        return $this;
+    }
+
+    /**
+     * Gets metadata
+     *
+     * @return array<string,mixed>
+     */
+    public function getMetadata()
+    {
+        return $this->container['metadata'];
+    }
+
+    /**
+     * Sets metadata
+     *
+     * @param array<string,mixed> $metadata Fax Metadata
+     *
+     * @return self
+     */
+    public function setMetadata(array $metadata)
+    {
+        if (is_null($metadata)) {
+            throw new InvalidArgumentException('non-nullable metadata cannot be null');
+        }
+        $this->container['metadata'] = $metadata;
+
+        return $this;
+    }
+
+    /**
+     * Gets created_at
+     *
+     * @return int
+     */
+    public function getCreatedAt()
+    {
+        return $this->container['created_at'];
+    }
+
+    /**
+     * Sets created_at
+     *
+     * @param int $created_at Fax Created At Timestamp
+     *
+     * @return self
+     */
+    public function setCreatedAt(int $created_at)
+    {
+        if (is_null($created_at)) {
+            throw new InvalidArgumentException('non-nullable created_at cannot be null');
+        }
+        $this->container['created_at'] = $created_at;
+
+        return $this;
+    }
+
+    /**
+     * Gets sender
+     *
+     * @return string
+     */
+    public function getSender()
+    {
+        return $this->container['sender'];
+    }
+
+    /**
+     * Sets sender
+     *
+     * @param string $sender Fax Sender Email
+     *
+     * @return self
+     */
+    public function setSender(string $sender)
+    {
+        if (is_null($sender)) {
+            throw new InvalidArgumentException('non-nullable sender cannot be null');
+        }
+        $this->container['sender'] = $sender;
+
+        return $this;
+    }
+
+    /**
+     * Gets transmissions
+     *
+     * @return FaxResponseTransmission[]
+     */
+    public function getTransmissions()
+    {
+        return $this->container['transmissions'];
+    }
+
+    /**
+     * Sets transmissions
+     *
+     * @param FaxResponseTransmission[] $transmissions Fax Transmissions List
+     *
+     * @return self
+     */
+    public function setTransmissions(array $transmissions)
+    {
+        if (is_null($transmissions)) {
+            throw new InvalidArgumentException('non-nullable transmissions cannot be null');
+        }
+        $this->container['transmissions'] = $transmissions;
+
+        return $this;
+    }
+
+    /**
+     * Gets files_url
+     *
+     * @return string
+     */
+    public function getFilesUrl()
+    {
+        return $this->container['files_url'];
+    }
+
+    /**
+     * Sets files_url
+     *
+     * @param string $files_url Fax Files URL
+     *
+     * @return self
+     */
+    public function setFilesUrl(string $files_url)
+    {
+        if (is_null($files_url)) {
+            throw new InvalidArgumentException('non-nullable files_url cannot be null');
+        }
+        $this->container['files_url'] = $files_url;
+
+        return $this;
+    }
+
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetExists($offset): bool
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param int $offset Offset
+     *
+     * @return mixed|null
+     */
+    #[ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     */
+    #[ReturnTypeWillChange]
+    public function offsetSet($offset, $value): void
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetUnset($offset): void
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @see https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed returns data which can be serialized by json_encode(), which is a value
+     *               of any type other than a resource
+     */
+    #[ReturnTypeWillChange]
+    public function jsonSerialize()
+    {
+        return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_UNESCAPED_SLASHES
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
diff --git a/sdks/php/src/Model/FaxResponseTransmission.php b/sdks/php/src/Model/FaxResponseTransmission.php
new file mode 100644
index 000000000..049c5b407
--- /dev/null
+++ b/sdks/php/src/Model/FaxResponseTransmission.php
@@ -0,0 +1,571 @@
+<?php
+/**
+ * FaxResponseTransmission
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ */
+
+/**
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.8.0
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace Dropbox\Sign\Model;
+
+use ArrayAccess;
+use Dropbox\Sign\ObjectSerializer;
+use InvalidArgumentException;
+use JsonSerializable;
+use ReturnTypeWillChange;
+
+/**
+ * FaxResponseTransmission Class Doc Comment
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ * @implements \ArrayAccess<string, mixed>
+ */
+class FaxResponseTransmission implements ModelInterface, ArrayAccess, JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+     * The original name of the model.
+     *
+     * @var string
+     */
+    protected static $openAPIModelName = 'FaxResponseTransmission';
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @var string[]
+     */
+    protected static $openAPITypes = [
+        'recipient' => 'string',
+        'sender' => 'string',
+        'status_code' => 'string',
+        'sent_at' => 'int',
+    ];
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @var string[]
+     * @phpstan-var array<string, string|null>
+     * @psalm-var array<string, string|null>
+     */
+    protected static $openAPIFormats = [
+        'recipient' => null,
+        'sender' => null,
+        'status_code' => null,
+        'sent_at' => null,
+    ];
+
+    /**
+     * Array of nullable properties. Used for (de)serialization
+     *
+     * @var bool[]
+     */
+    protected static array $openAPINullables = [
+        'recipient' => false,
+        'sender' => false,
+        'status_code' => false,
+        'sent_at' => false,
+    ];
+
+    /**
+     * If a nullable field gets set to null, insert it here
+     *
+     * @var bool[]
+     */
+    protected array $openAPINullablesSetToNull = [];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPITypes()
+    {
+        return self::$openAPITypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPIFormats()
+    {
+        return self::$openAPIFormats;
+    }
+
+    /**
+     * Array of nullable properties
+     */
+    protected static function openAPINullables(): array
+    {
+        return self::$openAPINullables;
+    }
+
+    /**
+     * Array of nullable field names deliberately set to null
+     *
+     * @return bool[]
+     */
+    private function getOpenAPINullablesSetToNull(): array
+    {
+        return $this->openAPINullablesSetToNull;
+    }
+
+    /**
+     * Setter - Array of nullable field names deliberately set to null
+     *
+     * @param bool[] $openAPINullablesSetToNull
+     */
+    private function setOpenAPINullablesSetToNull(array $openAPINullablesSetToNull): void
+    {
+        $this->openAPINullablesSetToNull = $openAPINullablesSetToNull;
+    }
+
+    /**
+     * Checks if a property is nullable
+     */
+    public static function isNullable(string $property): bool
+    {
+        return self::openAPINullables()[$property] ?? false;
+    }
+
+    /**
+     * Checks if a nullable property is set to null.
+     */
+    public function isNullableSetToNull(string $property): bool
+    {
+        return in_array($property, $this->getOpenAPINullablesSetToNull(), true);
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'recipient' => 'recipient',
+        'sender' => 'sender',
+        'status_code' => 'status_code',
+        'sent_at' => 'sent_at',
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'recipient' => 'setRecipient',
+        'sender' => 'setSender',
+        'status_code' => 'setStatusCode',
+        'sent_at' => 'setSentAt',
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'recipient' => 'getRecipient',
+        'sender' => 'getSender',
+        'status_code' => 'getStatusCode',
+        'sent_at' => 'getSentAt',
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$openAPIModelName;
+    }
+
+    public const STATUS_CODE_SUCCESS = 'success';
+    public const STATUS_CODE_TRANSMITTING = 'transmitting';
+    public const STATUS_CODE_ERROR_COULD_NOT_FAX = 'error_could_not_fax';
+    public const STATUS_CODE_ERROR_UNKNOWN = 'error_unknown';
+    public const STATUS_CODE_ERROR_BUSY = 'error_busy';
+    public const STATUS_CODE_ERROR_NO_ANSWER = 'error_no_answer';
+    public const STATUS_CODE_ERROR_DISCONNECTED = 'error_disconnected';
+    public const STATUS_CODE_ERROR_BAD_DESTINATION = 'error_bad_destination';
+
+    /**
+     * Gets allowable values of the enum
+     *
+     * @return string[]
+     */
+    public function getStatusCodeAllowableValues()
+    {
+        return [
+            self::STATUS_CODE_SUCCESS,
+            self::STATUS_CODE_TRANSMITTING,
+            self::STATUS_CODE_ERROR_COULD_NOT_FAX,
+            self::STATUS_CODE_ERROR_UNKNOWN,
+            self::STATUS_CODE_ERROR_BUSY,
+            self::STATUS_CODE_ERROR_NO_ANSWER,
+            self::STATUS_CODE_ERROR_DISCONNECTED,
+            self::STATUS_CODE_ERROR_BAD_DESTINATION,
+        ];
+    }
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->setIfExists('recipient', $data ?? [], null);
+        $this->setIfExists('sender', $data ?? [], null);
+        $this->setIfExists('status_code', $data ?? [], null);
+        $this->setIfExists('sent_at', $data ?? [], null);
+    }
+
+    /**
+     * @deprecated use ::init()
+     */
+    public static function fromArray(array $data): FaxResponseTransmission
+    {
+        return self::init($data);
+    }
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     */
+    public static function init(array $data): FaxResponseTransmission
+    {
+        /** @var FaxResponseTransmission */
+        return ObjectSerializer::deserialize(
+            $data,
+            FaxResponseTransmission::class,
+        );
+    }
+
+    /**
+     * Sets $this->container[$variableName] to the given data or to the given default Value; if $variableName
+     * is nullable and its value is set to null in the $fields array, then mark it as "set to null" in the
+     * $this->openAPINullablesSetToNull array
+     *
+     * @param string|int|object|array|mixed $defaultValue
+     */
+    private function setIfExists(string $variableName, array $fields, $defaultValue): void
+    {
+        if (self::isNullable($variableName) && array_key_exists($variableName, $fields) && is_null($fields[$variableName])) {
+            $this->openAPINullablesSetToNull[] = $variableName;
+        }
+
+        $this->container[$variableName] = $fields[$variableName] ?? $defaultValue;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        if ($this->container['recipient'] === null) {
+            $invalidProperties[] = "'recipient' can't be null";
+        }
+        if ($this->container['sender'] === null) {
+            $invalidProperties[] = "'sender' can't be null";
+        }
+        if ($this->container['status_code'] === null) {
+            $invalidProperties[] = "'status_code' can't be null";
+        }
+        $allowedValues = $this->getStatusCodeAllowableValues();
+        if (!is_null($this->container['status_code']) && !in_array($this->container['status_code'], $allowedValues, true)) {
+            $invalidProperties[] = sprintf(
+                "invalid value '%s' for 'status_code', must be one of '%s'",
+                $this->container['status_code'],
+                implode("', '", $allowedValues)
+            );
+        }
+
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+    /**
+     * Gets recipient
+     *
+     * @return string
+     */
+    public function getRecipient()
+    {
+        return $this->container['recipient'];
+    }
+
+    /**
+     * Sets recipient
+     *
+     * @param string $recipient Fax Transmission Recipient
+     *
+     * @return self
+     */
+    public function setRecipient(string $recipient)
+    {
+        if (is_null($recipient)) {
+            throw new InvalidArgumentException('non-nullable recipient cannot be null');
+        }
+        $this->container['recipient'] = $recipient;
+
+        return $this;
+    }
+
+    /**
+     * Gets sender
+     *
+     * @return string
+     */
+    public function getSender()
+    {
+        return $this->container['sender'];
+    }
+
+    /**
+     * Sets sender
+     *
+     * @param string $sender Fax Transmission Sender
+     *
+     * @return self
+     */
+    public function setSender(string $sender)
+    {
+        if (is_null($sender)) {
+            throw new InvalidArgumentException('non-nullable sender cannot be null');
+        }
+        $this->container['sender'] = $sender;
+
+        return $this;
+    }
+
+    /**
+     * Gets status_code
+     *
+     * @return string
+     */
+    public function getStatusCode()
+    {
+        return $this->container['status_code'];
+    }
+
+    /**
+     * Sets status_code
+     *
+     * @param string $status_code Fax Transmission Status Code
+     *
+     * @return self
+     */
+    public function setStatusCode(string $status_code)
+    {
+        if (is_null($status_code)) {
+            throw new InvalidArgumentException('non-nullable status_code cannot be null');
+        }
+        $allowedValues = $this->getStatusCodeAllowableValues();
+        if (!in_array($status_code, $allowedValues, true)) {
+            throw new InvalidArgumentException(
+                sprintf(
+                    "Invalid value '%s' for 'status_code', must be one of '%s'",
+                    $status_code,
+                    implode("', '", $allowedValues)
+                )
+            );
+        }
+        $this->container['status_code'] = $status_code;
+
+        return $this;
+    }
+
+    /**
+     * Gets sent_at
+     *
+     * @return int|null
+     */
+    public function getSentAt()
+    {
+        return $this->container['sent_at'];
+    }
+
+    /**
+     * Sets sent_at
+     *
+     * @param int|null $sent_at Fax Transmission Sent Timestamp
+     *
+     * @return self
+     */
+    public function setSentAt(?int $sent_at)
+    {
+        if (is_null($sent_at)) {
+            throw new InvalidArgumentException('non-nullable sent_at cannot be null');
+        }
+        $this->container['sent_at'] = $sent_at;
+
+        return $this;
+    }
+
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetExists($offset): bool
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param int $offset Offset
+     *
+     * @return mixed|null
+     */
+    #[ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     */
+    #[ReturnTypeWillChange]
+    public function offsetSet($offset, $value): void
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetUnset($offset): void
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @see https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed returns data which can be serialized by json_encode(), which is a value
+     *               of any type other than a resource
+     */
+    #[ReturnTypeWillChange]
+    public function jsonSerialize()
+    {
+        return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_UNESCAPED_SLASHES
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
diff --git a/sdks/php/src/Model/FaxSendRequest.php b/sdks/php/src/Model/FaxSendRequest.php
new file mode 100644
index 000000000..d09573478
--- /dev/null
+++ b/sdks/php/src/Model/FaxSendRequest.php
@@ -0,0 +1,689 @@
+<?php
+/**
+ * FaxSendRequest
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ */
+
+/**
+ * Dropbox Sign API
+ *
+ * Dropbox Sign v3 API
+ *
+ * The version of the OpenAPI document: 3.0.0
+ * Contact: apisupport@hellosign.com
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.8.0
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace Dropbox\Sign\Model;
+
+use ArrayAccess;
+use Dropbox\Sign\ObjectSerializer;
+use InvalidArgumentException;
+use JsonSerializable;
+use ReturnTypeWillChange;
+use SplFileObject;
+
+/**
+ * FaxSendRequest Class Doc Comment
+ *
+ * @category Class
+ * @see     https://openapi-generator.tech
+ * @implements \ArrayAccess<string, mixed>
+ */
+class FaxSendRequest implements ModelInterface, ArrayAccess, JsonSerializable
+{
+    public const DISCRIMINATOR = null;
+
+    /**
+     * The original name of the model.
+     *
+     * @var string
+     */
+    protected static $openAPIModelName = 'FaxSendRequest';
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @var string[]
+     */
+    protected static $openAPITypes = [
+        'recipient' => 'string',
+        'sender' => 'string',
+        'files' => '\SplFileObject[]',
+        'file_urls' => 'string[]',
+        'test_mode' => 'bool',
+        'cover_page_to' => 'string',
+        'cover_page_from' => 'string',
+        'cover_page_message' => 'string',
+        'title' => 'string',
+    ];
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @var string[]
+     * @phpstan-var array<string, string|null>
+     * @psalm-var array<string, string|null>
+     */
+    protected static $openAPIFormats = [
+        'recipient' => null,
+        'sender' => null,
+        'files' => 'binary',
+        'file_urls' => null,
+        'test_mode' => null,
+        'cover_page_to' => null,
+        'cover_page_from' => null,
+        'cover_page_message' => null,
+        'title' => null,
+    ];
+
+    /**
+     * Array of nullable properties. Used for (de)serialization
+     *
+     * @var bool[]
+     */
+    protected static array $openAPINullables = [
+        'recipient' => false,
+        'sender' => false,
+        'files' => false,
+        'file_urls' => false,
+        'test_mode' => false,
+        'cover_page_to' => false,
+        'cover_page_from' => false,
+        'cover_page_message' => false,
+        'title' => false,
+    ];
+
+    /**
+     * If a nullable field gets set to null, insert it here
+     *
+     * @var bool[]
+     */
+    protected array $openAPINullablesSetToNull = [];
+
+    /**
+     * Array of property to type mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPITypes()
+    {
+        return self::$openAPITypes;
+    }
+
+    /**
+     * Array of property to format mappings. Used for (de)serialization
+     *
+     * @return array
+     */
+    public static function openAPIFormats()
+    {
+        return self::$openAPIFormats;
+    }
+
+    /**
+     * Array of nullable properties
+     */
+    protected static function openAPINullables(): array
+    {
+        return self::$openAPINullables;
+    }
+
+    /**
+     * Array of nullable field names deliberately set to null
+     *
+     * @return bool[]
+     */
+    private function getOpenAPINullablesSetToNull(): array
+    {
+        return $this->openAPINullablesSetToNull;
+    }
+
+    /**
+     * Setter - Array of nullable field names deliberately set to null
+     *
+     * @param bool[] $openAPINullablesSetToNull
+     */
+    private function setOpenAPINullablesSetToNull(array $openAPINullablesSetToNull): void
+    {
+        $this->openAPINullablesSetToNull = $openAPINullablesSetToNull;
+    }
+
+    /**
+     * Checks if a property is nullable
+     */
+    public static function isNullable(string $property): bool
+    {
+        return self::openAPINullables()[$property] ?? false;
+    }
+
+    /**
+     * Checks if a nullable property is set to null.
+     */
+    public function isNullableSetToNull(string $property): bool
+    {
+        return in_array($property, $this->getOpenAPINullablesSetToNull(), true);
+    }
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @var string[]
+     */
+    protected static $attributeMap = [
+        'recipient' => 'recipient',
+        'sender' => 'sender',
+        'files' => 'files',
+        'file_urls' => 'file_urls',
+        'test_mode' => 'test_mode',
+        'cover_page_to' => 'cover_page_to',
+        'cover_page_from' => 'cover_page_from',
+        'cover_page_message' => 'cover_page_message',
+        'title' => 'title',
+    ];
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @var string[]
+     */
+    protected static $setters = [
+        'recipient' => 'setRecipient',
+        'sender' => 'setSender',
+        'files' => 'setFiles',
+        'file_urls' => 'setFileUrls',
+        'test_mode' => 'setTestMode',
+        'cover_page_to' => 'setCoverPageTo',
+        'cover_page_from' => 'setCoverPageFrom',
+        'cover_page_message' => 'setCoverPageMessage',
+        'title' => 'setTitle',
+    ];
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @var string[]
+     */
+    protected static $getters = [
+        'recipient' => 'getRecipient',
+        'sender' => 'getSender',
+        'files' => 'getFiles',
+        'file_urls' => 'getFileUrls',
+        'test_mode' => 'getTestMode',
+        'cover_page_to' => 'getCoverPageTo',
+        'cover_page_from' => 'getCoverPageFrom',
+        'cover_page_message' => 'getCoverPageMessage',
+        'title' => 'getTitle',
+    ];
+
+    /**
+     * Array of attributes where the key is the local name,
+     * and the value is the original name
+     *
+     * @return array
+     */
+    public static function attributeMap()
+    {
+        return self::$attributeMap;
+    }
+
+    /**
+     * Array of attributes to setter functions (for deserialization of responses)
+     *
+     * @return array
+     */
+    public static function setters()
+    {
+        return self::$setters;
+    }
+
+    /**
+     * Array of attributes to getter functions (for serialization of requests)
+     *
+     * @return array
+     */
+    public static function getters()
+    {
+        return self::$getters;
+    }
+
+    /**
+     * The original name of the model.
+     *
+     * @return string
+     */
+    public function getModelName()
+    {
+        return self::$openAPIModelName;
+    }
+
+    /**
+     * Associative array for storing property values
+     *
+     * @var mixed[]
+     */
+    protected $container = [];
+
+    /**
+     * Constructor
+     *
+     * @param mixed[] $data Associated array of property values
+     *                      initializing the model
+     */
+    public function __construct(array $data = null)
+    {
+        $this->setIfExists('recipient', $data ?? [], null);
+        $this->setIfExists('sender', $data ?? [], null);
+        $this->setIfExists('files', $data ?? [], null);
+        $this->setIfExists('file_urls', $data ?? [], null);
+        $this->setIfExists('test_mode', $data ?? [], false);
+        $this->setIfExists('cover_page_to', $data ?? [], null);
+        $this->setIfExists('cover_page_from', $data ?? [], null);
+        $this->setIfExists('cover_page_message', $data ?? [], null);
+        $this->setIfExists('title', $data ?? [], null);
+    }
+
+    /**
+     * @deprecated use ::init()
+     */
+    public static function fromArray(array $data): FaxSendRequest
+    {
+        return self::init($data);
+    }
+
+    /**
+     * Attempt to instantiate and hydrate a new instance of this class
+     */
+    public static function init(array $data): FaxSendRequest
+    {
+        /** @var FaxSendRequest */
+        return ObjectSerializer::deserialize(
+            $data,
+            FaxSendRequest::class,
+        );
+    }
+
+    /**
+     * Sets $this->container[$variableName] to the given data or to the given default Value; if $variableName
+     * is nullable and its value is set to null in the $fields array, then mark it as "set to null" in the
+     * $this->openAPINullablesSetToNull array
+     *
+     * @param string|int|object|array|mixed $defaultValue
+     */
+    private function setIfExists(string $variableName, array $fields, $defaultValue): void
+    {
+        if (self::isNullable($variableName) && array_key_exists($variableName, $fields) && is_null($fields[$variableName])) {
+            $this->openAPINullablesSetToNull[] = $variableName;
+        }
+
+        $this->container[$variableName] = $fields[$variableName] ?? $defaultValue;
+    }
+
+    /**
+     * Show all the invalid properties with reasons.
+     *
+     * @return array invalid properties with reasons
+     */
+    public function listInvalidProperties()
+    {
+        $invalidProperties = [];
+
+        if ($this->container['recipient'] === null) {
+            $invalidProperties[] = "'recipient' can't be null";
+        }
+        return $invalidProperties;
+    }
+
+    /**
+     * Validate all the properties in the model
+     * return true if all passed
+     *
+     * @return bool True if all properties are valid
+     */
+    public function valid()
+    {
+        return count($this->listInvalidProperties()) === 0;
+    }
+
+    /**
+     * Gets recipient
+     *
+     * @return string
+     */
+    public function getRecipient()
+    {
+        return $this->container['recipient'];
+    }
+
+    /**
+     * Sets recipient
+     *
+     * @param string $recipient Fax Send To Recipient
+     *
+     * @return self
+     */
+    public function setRecipient(string $recipient)
+    {
+        if (is_null($recipient)) {
+            throw new InvalidArgumentException('non-nullable recipient cannot be null');
+        }
+        $this->container['recipient'] = $recipient;
+
+        return $this;
+    }
+
+    /**
+     * Gets sender
+     *
+     * @return string|null
+     */
+    public function getSender()
+    {
+        return $this->container['sender'];
+    }
+
+    /**
+     * Sets sender
+     *
+     * @param string|null $sender Fax Send From Sender (used only with fax number)
+     *
+     * @return self
+     */
+    public function setSender(?string $sender)
+    {
+        if (is_null($sender)) {
+            throw new InvalidArgumentException('non-nullable sender cannot be null');
+        }
+        $this->container['sender'] = $sender;
+
+        return $this;
+    }
+
+    /**
+     * Gets files
+     *
+     * @return SplFileObject[]|null
+     */
+    public function getFiles()
+    {
+        return $this->container['files'];
+    }
+
+    /**
+     * Sets files
+     *
+     * @param SplFileObject[]|null $files Fax File to Send
+     *
+     * @return self
+     */
+    public function setFiles(?array $files)
+    {
+        if (is_null($files)) {
+            throw new InvalidArgumentException('non-nullable files cannot be null');
+        }
+        $this->container['files'] = $files;
+
+        return $this;
+    }
+
+    /**
+     * Gets file_urls
+     *
+     * @return string[]|null
+     */
+    public function getFileUrls()
+    {
+        return $this->container['file_urls'];
+    }
+
+    /**
+     * Sets file_urls
+     *
+     * @param string[]|null $file_urls Fax File URL to Send
+     *
+     * @return self
+     */
+    public function setFileUrls(?array $file_urls)
+    {
+        if (is_null($file_urls)) {
+            throw new InvalidArgumentException('non-nullable file_urls cannot be null');
+        }
+        $this->container['file_urls'] = $file_urls;
+
+        return $this;
+    }
+
+    /**
+     * Gets test_mode
+     *
+     * @return bool|null
+     */
+    public function getTestMode()
+    {
+        return $this->container['test_mode'];
+    }
+
+    /**
+     * Sets test_mode
+     *
+     * @param bool|null $test_mode API Test Mode Setting
+     *
+     * @return self
+     */
+    public function setTestMode(?bool $test_mode)
+    {
+        if (is_null($test_mode)) {
+            throw new InvalidArgumentException('non-nullable test_mode cannot be null');
+        }
+        $this->container['test_mode'] = $test_mode;
+
+        return $this;
+    }
+
+    /**
+     * Gets cover_page_to
+     *
+     * @return string|null
+     */
+    public function getCoverPageTo()
+    {
+        return $this->container['cover_page_to'];
+    }
+
+    /**
+     * Sets cover_page_to
+     *
+     * @param string|null $cover_page_to Fax Cover Page for Recipient
+     *
+     * @return self
+     */
+    public function setCoverPageTo(?string $cover_page_to)
+    {
+        if (is_null($cover_page_to)) {
+            throw new InvalidArgumentException('non-nullable cover_page_to cannot be null');
+        }
+        $this->container['cover_page_to'] = $cover_page_to;
+
+        return $this;
+    }
+
+    /**
+     * Gets cover_page_from
+     *
+     * @return string|null
+     */
+    public function getCoverPageFrom()
+    {
+        return $this->container['cover_page_from'];
+    }
+
+    /**
+     * Sets cover_page_from
+     *
+     * @param string|null $cover_page_from Fax Cover Page for Sender
+     *
+     * @return self
+     */
+    public function setCoverPageFrom(?string $cover_page_from)
+    {
+        if (is_null($cover_page_from)) {
+            throw new InvalidArgumentException('non-nullable cover_page_from cannot be null');
+        }
+        $this->container['cover_page_from'] = $cover_page_from;
+
+        return $this;
+    }
+
+    /**
+     * Gets cover_page_message
+     *
+     * @return string|null
+     */
+    public function getCoverPageMessage()
+    {
+        return $this->container['cover_page_message'];
+    }
+
+    /**
+     * Sets cover_page_message
+     *
+     * @param string|null $cover_page_message Fax Cover Page Message
+     *
+     * @return self
+     */
+    public function setCoverPageMessage(?string $cover_page_message)
+    {
+        if (is_null($cover_page_message)) {
+            throw new InvalidArgumentException('non-nullable cover_page_message cannot be null');
+        }
+        $this->container['cover_page_message'] = $cover_page_message;
+
+        return $this;
+    }
+
+    /**
+     * Gets title
+     *
+     * @return string|null
+     */
+    public function getTitle()
+    {
+        return $this->container['title'];
+    }
+
+    /**
+     * Sets title
+     *
+     * @param string|null $title Fax Title
+     *
+     * @return self
+     */
+    public function setTitle(?string $title)
+    {
+        if (is_null($title)) {
+            throw new InvalidArgumentException('non-nullable title cannot be null');
+        }
+        $this->container['title'] = $title;
+
+        return $this;
+    }
+
+    /**
+     * Returns true if offset exists. False otherwise.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetExists($offset): bool
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * Gets offset.
+     *
+     * @param int $offset Offset
+     *
+     * @return mixed|null
+     */
+    #[ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->container[$offset] ?? null;
+    }
+
+    /**
+     * Sets value based on offset.
+     *
+     * @param int|null $offset Offset
+     * @param mixed    $value  Value to be set
+     */
+    #[ReturnTypeWillChange]
+    public function offsetSet($offset, $value): void
+    {
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * Unsets offset.
+     *
+     * @param int $offset Offset
+     */
+    #[ReturnTypeWillChange]
+    public function offsetUnset($offset): void
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * Serializes the object to a value that can be serialized natively by json_encode().
+     * @see https://www.php.net/manual/en/jsonserializable.jsonserialize.php
+     *
+     * @return mixed returns data which can be serialized by json_encode(), which is a value
+     *               of any type other than a resource
+     */
+    #[ReturnTypeWillChange]
+    public function jsonSerialize()
+    {
+        return ObjectSerializer::sanitizeForSerialization($this);
+    }
+
+    /**
+     * Gets the string presentation of the object
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return json_encode(
+            ObjectSerializer::sanitizeForSerialization($this),
+            JSON_UNESCAPED_SLASHES
+        );
+    }
+
+    /**
+     * Gets a header-safe presentation of the object
+     *
+     * @return string
+     */
+    public function toHeaderValue()
+    {
+        return json_encode(ObjectSerializer::sanitizeForSerialization($this));
+    }
+}
diff --git a/sdks/python/README.md b/sdks/python/README.md
index 15be18ce8..c97fbdfd9 100644
--- a/sdks/python/README.md
+++ b/sdks/python/README.md
@@ -115,6 +115,11 @@ Class | Method | HTTP request | Description
 ```BulkSendJobApi``` | [```bulk_send_job_list```](docs/BulkSendJobApi.md#bulk_send_job_list) | ```GET /bulk_send_job/list``` | List Bulk Send Jobs|
 |```EmbeddedApi``` | [```embedded_edit_url```](docs/EmbeddedApi.md#embedded_edit_url) | ```POST /embedded/edit_url/{template_id}``` | Get Embedded Template Edit URL|
 ```EmbeddedApi``` | [```embedded_sign_url```](docs/EmbeddedApi.md#embedded_sign_url) | ```GET /embedded/sign_url/{signature_id}``` | Get Embedded Sign URL|
+|```FaxApi``` | [```fax_delete```](docs/FaxApi.md#fax_delete) | ```DELETE /fax/{fax_id}``` | Delete Fax|
+```FaxApi``` | [```fax_files```](docs/FaxApi.md#fax_files) | ```GET /fax/files/{fax_id}``` | List Fax Files|
+```FaxApi``` | [```fax_get```](docs/FaxApi.md#fax_get) | ```GET /fax/{fax_id}``` | Get Fax|
+```FaxApi``` | [```fax_list```](docs/FaxApi.md#fax_list) | ```GET /fax/list``` | Lists Faxes|
+```FaxApi``` | [```fax_send```](docs/FaxApi.md#fax_send) | ```POST /fax/send``` | Send Fax|
 |```FaxLineApi``` | [```fax_line_add_user```](docs/FaxLineApi.md#fax_line_add_user) | ```PUT /fax_line/add_user``` | Add Fax Line User|
 ```FaxLineApi``` | [```fax_line_area_code_get```](docs/FaxLineApi.md#fax_line_area_code_get) | ```GET /fax_line/area_codes``` | Get Available Fax Line Area Codes|
 ```FaxLineApi``` | [```fax_line_create```](docs/FaxLineApi.md#fax_line_create) | ```POST /fax_line/create``` | Purchase Fax Line|
@@ -204,6 +209,7 @@ Class | Method | HTTP request | Description
  - [EventCallbackRequest](docs/EventCallbackRequest.md)
  - [EventCallbackRequestEvent](docs/EventCallbackRequestEvent.md)
  - [EventCallbackRequestEventMetadata](docs/EventCallbackRequestEventMetadata.md)
+ - [FaxGetResponse](docs/FaxGetResponse.md)
  - [FaxLineAddUserRequest](docs/FaxLineAddUserRequest.md)
  - [FaxLineAreaCodeGetCountryEnum](docs/FaxLineAreaCodeGetCountryEnum.md)
  - [FaxLineAreaCodeGetProvinceEnum](docs/FaxLineAreaCodeGetProvinceEnum.md)
@@ -215,6 +221,10 @@ Class | Method | HTTP request | Description
  - [FaxLineRemoveUserRequest](docs/FaxLineRemoveUserRequest.md)
  - [FaxLineResponse](docs/FaxLineResponse.md)
  - [FaxLineResponseFaxLine](docs/FaxLineResponseFaxLine.md)
+ - [FaxListResponse](docs/FaxListResponse.md)
+ - [FaxResponse](docs/FaxResponse.md)
+ - [FaxResponseTransmission](docs/FaxResponseTransmission.md)
+ - [FaxSendRequest](docs/FaxSendRequest.md)
  - [FileResponse](docs/FileResponse.md)
  - [FileResponseDataUri](docs/FileResponseDataUri.md)
  - [ListInfoResponse](docs/ListInfoResponse.md)
diff --git a/sdks/python/docs/FaxApi.md b/sdks/python/docs/FaxApi.md
new file mode 100644
index 000000000..a0b2cbd12
--- /dev/null
+++ b/sdks/python/docs/FaxApi.md
@@ -0,0 +1,334 @@
+# ```dropbox_sign.FaxApi```
+
+All URIs are relative to *https://api.hellosign.com/v3*
+
+Method | HTTP request | Description
+------------- | ------------- | -------------
+|[```fax_delete```](FaxApi.md#fax_delete) | ```DELETE /fax/{fax_id}``` | Delete Fax|
+|[```fax_files```](FaxApi.md#fax_files) | ```GET /fax/files/{fax_id}``` | List Fax Files|
+|[```fax_get```](FaxApi.md#fax_get) | ```GET /fax/{fax_id}``` | Get Fax|
+|[```fax_list```](FaxApi.md#fax_list) | ```GET /fax/list``` | Lists Faxes|
+|[```fax_send```](FaxApi.md#fax_send) | ```POST /fax/send``` | Send Fax|
+
+
+# ```fax_delete```
+> ```fax_delete(fax_id)```
+
+Delete Fax
+
+Deletes the specified Fax from the system.
+
+### Example
+
+* Basic Authentication (api_key):
+
+```python
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis, models
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    try:
+        fax_api.fax_delete("fa5c8a0b0f492d768749333ad6fcc214c111e967")
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
+
+```
+```
+
+### Parameters
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_id` | **str** | Fax ID |  |
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**204** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+**4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+# ```fax_files```
+> ```io.IOBase fax_files(fax_id)```
+
+List Fax Files
+
+Returns list of fax files
+
+### Example
+
+* Basic Authentication (api_key):
+
+```python
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis, models
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    fax_id = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+    try:
+        response = fax_api.fax_files(fax_id)
+        open("file_response.pdf", "wb").write(response.read())
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
+
+```
+```
+
+### Parameters
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_id` | **str** | Fax ID |  |
+
+### Return type
+
+**io.IOBase**
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/pdf, application/json
+
+### HTTP response details
+
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+**4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+# ```fax_get```
+> ```FaxGetResponse fax_get(fax_id)```
+
+Get Fax
+
+Returns information about fax
+
+### Example
+
+* Basic Authentication (api_key):
+
+```python
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    fax_id = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+    try:
+        response = fax_api.fax_get(fax_id)
+        pprint(response)
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
+
+```
+```
+
+### Parameters
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_id` | **str** | Fax ID |  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+**4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+# ```fax_list```
+> ```FaxListResponse fax_list()```
+
+Lists Faxes
+
+Returns properties of multiple faxes
+
+### Example
+
+* Basic Authentication (api_key):
+
+```python
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    page = 1
+    page_size = 2
+
+    try:
+        response = fax_api.fax_list(
+            page=page,
+            page_size=page_size,
+        )
+        pprint(response)
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
+
+```
+```
+
+### Parameters
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `page` | **int** | Page | [optional][default to 1] |
+| `page_size` | **int** | Page size | [optional][default to 20] |
+
+### Return type
+
+[**FaxListResponse**](FaxListResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+**4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+# ```fax_send```
+> ```FaxGetResponse fax_send(fax_send_request)```
+
+Send Fax
+
+Action to prepare and send a fax
+
+### Example
+
+* Basic Authentication (api_key):
+
+```python
+from pprint import pprint
+
+from dropbox_sign import ApiClient, ApiException, Configuration, apis, models
+
+configuration = Configuration(
+    # Configure HTTP basic authorization: api_key
+    username="YOUR_API_KEY",
+)
+
+with ApiClient(configuration) as api_client:
+    fax_api = apis.FaxApi(api_client)
+
+    data = models.FaxSendRequest(
+        files=[open("example_signature_request.pdf", "rb")],
+        test_mode=True,
+        recipient="16690000001",
+        sender="16690000000",
+        cover_page_to="Jill Fax",
+        cover_page_message="I'm sending you a fax!",
+        cover_page_from="Faxer Faxerson",
+        title="This is what the fax is about!",
+    )
+
+    try:
+        response = fax_api.fax_send(data)
+        pprint(response)
+    except ApiException as e:
+        print("Exception when calling Dropbox Sign API: %s\n" % e)
+
+```
+```
+
+### Parameters
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_send_request` | [**FaxSendRequest**](FaxSendRequest.md) |  |  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+ - **Content-Type**: application/json, multipart/form-data
+ - **Accept**: application/json
+
+### HTTP response details
+
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | successful operation |  * X-RateLimit-Limit -  <br>  * X-RateLimit-Remaining -  <br>  * X-Ratelimit-Reset -  <br>  |
+**4XX** | failed_operation |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
diff --git a/sdks/python/docs/FaxGetResponse.md b/sdks/python/docs/FaxGetResponse.md
new file mode 100644
index 000000000..02b92d68d
--- /dev/null
+++ b/sdks/python/docs/FaxGetResponse.md
@@ -0,0 +1,12 @@
+# FaxGetResponse
+
+
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `fax`<sup>*_required_</sup> | [```FaxResponse```](FaxResponse.md) |    |  |
+| `warnings` | [```List[WarningResponse]```](WarningResponse.md) |  A list of warnings.  |  |
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/python/docs/FaxListResponse.md b/sdks/python/docs/FaxListResponse.md
new file mode 100644
index 000000000..e57c1881e
--- /dev/null
+++ b/sdks/python/docs/FaxListResponse.md
@@ -0,0 +1,12 @@
+# FaxListResponse
+
+
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `faxes`<sup>*_required_</sup> | [```List[FaxResponse]```](FaxResponse.md) |    |  |
+| `list_info`<sup>*_required_</sup> | [```ListInfoResponse```](ListInfoResponse.md) |    |  |
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/python/docs/FaxResponse.md b/sdks/python/docs/FaxResponse.md
new file mode 100644
index 000000000..d531f5d0a
--- /dev/null
+++ b/sdks/python/docs/FaxResponse.md
@@ -0,0 +1,20 @@
+# FaxResponse
+
+
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `fax_id`<sup>*_required_</sup> | ```str``` |  Fax ID  |  |
+| `title`<sup>*_required_</sup> | ```str``` |  Fax Title  |  |
+| `original_title`<sup>*_required_</sup> | ```str``` |  Fax Original Title  |  |
+| `subject`<sup>*_required_</sup> | ```str``` |  Fax Subject  |  |
+| `message`<sup>*_required_</sup> | ```str``` |  Fax Message  |  |
+| `metadata`<sup>*_required_</sup> | ```Dict[str, object]``` |  Fax Metadata  |  |
+| `created_at`<sup>*_required_</sup> | ```int``` |  Fax Created At Timestamp  |  |
+| `sender`<sup>*_required_</sup> | ```str``` |  Fax Sender Email  |  |
+| `transmissions`<sup>*_required_</sup> | [```List[FaxResponseTransmission]```](FaxResponseTransmission.md) |  Fax Transmissions List  |  |
+| `files_url`<sup>*_required_</sup> | ```str``` |  Fax Files URL  |  |
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/python/docs/FaxResponseTransmission.md b/sdks/python/docs/FaxResponseTransmission.md
new file mode 100644
index 000000000..9ba09c130
--- /dev/null
+++ b/sdks/python/docs/FaxResponseTransmission.md
@@ -0,0 +1,14 @@
+# FaxResponseTransmission
+
+
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `recipient`<sup>*_required_</sup> | ```str``` |  Fax Transmission Recipient  |  |
+| `sender`<sup>*_required_</sup> | ```str``` |  Fax Transmission Sender  |  |
+| `status_code`<sup>*_required_</sup> | ```str``` |  Fax Transmission Status Code  |  |
+| `sent_at` | ```int``` |  Fax Transmission Sent Timestamp  |  |
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/python/docs/FaxSendRequest.md b/sdks/python/docs/FaxSendRequest.md
new file mode 100644
index 000000000..cdb4f49a0
--- /dev/null
+++ b/sdks/python/docs/FaxSendRequest.md
@@ -0,0 +1,19 @@
+# FaxSendRequest
+
+
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+| `recipient`<sup>*_required_</sup> | ```str``` |  Fax Send To Recipient  |  |
+| `sender` | ```str``` |  Fax Send From Sender (used only with fax number)  |  |
+| `files` | ```List[io.IOBase]``` |  Fax File to Send  |  |
+| `file_urls` | ```List[str]``` |  Fax File URL to Send  |  |
+| `test_mode` | ```bool``` |  API Test Mode Setting  |  [default to False] |
+| `cover_page_to` | ```str``` |  Fax Cover Page for Recipient  |  |
+| `cover_page_from` | ```str``` |  Fax Cover Page for Sender  |  |
+| `cover_page_message` | ```str``` |  Fax Cover Page Message  |  |
+| `title` | ```str``` |  Fax Title  |  |
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/sdks/python/dropbox_sign/__init__.py b/sdks/python/dropbox_sign/__init__.py
index 15adf1c8d..c37a24fc1 100644
--- a/sdks/python/dropbox_sign/__init__.py
+++ b/sdks/python/dropbox_sign/__init__.py
@@ -80,6 +80,7 @@
 from dropbox_sign.models.event_callback_request_event_metadata import (
     EventCallbackRequestEventMetadata,
 )
+from dropbox_sign.models.fax_get_response import FaxGetResponse
 from dropbox_sign.models.fax_line_add_user_request import FaxLineAddUserRequest
 from dropbox_sign.models.fax_line_area_code_get_country_enum import (
     FaxLineAreaCodeGetCountryEnum,
@@ -99,6 +100,10 @@
 from dropbox_sign.models.fax_line_remove_user_request import FaxLineRemoveUserRequest
 from dropbox_sign.models.fax_line_response import FaxLineResponse
 from dropbox_sign.models.fax_line_response_fax_line import FaxLineResponseFaxLine
+from dropbox_sign.models.fax_list_response import FaxListResponse
+from dropbox_sign.models.fax_response import FaxResponse
+from dropbox_sign.models.fax_response_transmission import FaxResponseTransmission
+from dropbox_sign.models.fax_send_request import FaxSendRequest
 from dropbox_sign.models.file_response import FileResponse
 from dropbox_sign.models.file_response_data_uri import FileResponseDataUri
 from dropbox_sign.models.list_info_response import ListInfoResponse
diff --git a/sdks/python/dropbox_sign/api/__init__.py b/sdks/python/dropbox_sign/api/__init__.py
index c861b688e..f4000e522 100644
--- a/sdks/python/dropbox_sign/api/__init__.py
+++ b/sdks/python/dropbox_sign/api/__init__.py
@@ -5,6 +5,7 @@
 from dropbox_sign.api.api_app_api import ApiAppApi
 from dropbox_sign.api.bulk_send_job_api import BulkSendJobApi
 from dropbox_sign.api.embedded_api import EmbeddedApi
+from dropbox_sign.api.fax_api import FaxApi
 from dropbox_sign.api.fax_line_api import FaxLineApi
 from dropbox_sign.api.o_auth_api import OAuthApi
 from dropbox_sign.api.report_api import ReportApi
diff --git a/sdks/python/dropbox_sign/api/fax_api.py b/sdks/python/dropbox_sign/api/fax_api.py
new file mode 100644
index 000000000..3e49a160a
--- /dev/null
+++ b/sdks/python/dropbox_sign/api/fax_api.py
@@ -0,0 +1,1327 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+import warnings
+from pydantic import validate_call, Field, StrictFloat, StrictStr, StrictInt
+from typing import Any, Dict, List, Optional, Tuple, Union
+from typing_extensions import Annotated
+
+from pydantic import Field, StrictBytes, StrictStr
+from typing import Optional, Union
+from typing_extensions import Annotated
+from dropbox_sign.models.fax_get_response import FaxGetResponse
+from dropbox_sign.models.fax_list_response import FaxListResponse
+from dropbox_sign.models.fax_send_request import FaxSendRequest
+
+from dropbox_sign.api_client import ApiClient, RequestSerialized
+from dropbox_sign.api_response import ApiResponse
+from dropbox_sign.rest import RESTResponseType
+import io
+
+
+class FaxApi:
+    """NOTE: This class is auto generated by OpenAPI Generator
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+    def __init__(self, api_client=None) -> None:
+        if api_client is None:
+            api_client = ApiClient.get_default()
+        self.api_client = api_client
+
+    @validate_call
+    def fax_delete(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> None:
+        """Delete Fax
+
+        Deletes the specified Fax from the system.
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_delete_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "204": None,
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        ).data
+
+    @validate_call
+    def fax_delete_with_http_info(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> ApiResponse[None]:
+        """Delete Fax
+
+        Deletes the specified Fax from the system.
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_delete_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "204": None,
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        )
+
+    @validate_call
+    def fax_delete_without_preload_content(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> RESTResponseType:
+        """Delete Fax
+
+        Deletes the specified Fax from the system.
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_delete_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "204": None,
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        return response_data.response
+
+    def _fax_delete_serialize(
+        self,
+        fax_id,
+        _request_auth,
+        _content_type,
+        _headers,
+        _host_index,
+    ) -> RequestSerialized:
+
+        _host = None
+
+        _collection_formats: Dict[str, str] = {}
+
+        _path_params: Dict[str, str] = {}
+        _query_params: List[Tuple[str, str]] = []
+        _header_params: Dict[str, Optional[str]] = _headers or {}
+        _form_params: List[Tuple[str, str]] = []
+        _files: Dict[str, Union[str, bytes]] = {}
+        _body_params: Optional[bytes] = None
+
+        # process the path parameters
+        if fax_id is not None:
+            _path_params["fax_id"] = fax_id
+        # process the query parameters
+        # process the header parameters
+        # process the form parameters
+        # process the body parameter
+
+        # set the HTTP header `Accept`
+        if "Accept" not in _header_params:
+            _header_params["Accept"] = self.api_client.select_header_accept(
+                ["application/json"]
+            )
+
+        # authentication setting
+        _auth_settings: List[str] = ["api_key"]
+
+        return self.api_client.param_serialize(
+            method="DELETE",
+            resource_path="/fax/{fax_id}",
+            path_params=_path_params,
+            query_params=_query_params,
+            header_params=_header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            auth_settings=_auth_settings,
+            collection_formats=_collection_formats,
+            _host=_host,
+            _request_auth=_request_auth,
+        )
+
+    @validate_call
+    def fax_files(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> io.IOBase:
+        """List Fax Files
+
+        Returns list of fax files
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_files_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "io.IOBase",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        ).data
+
+    @validate_call
+    def fax_files_with_http_info(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> ApiResponse[io.IOBase]:
+        """List Fax Files
+
+        Returns list of fax files
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_files_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "io.IOBase",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        )
+
+    @validate_call
+    def fax_files_without_preload_content(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> RESTResponseType:
+        """List Fax Files
+
+        Returns list of fax files
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_files_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "io.IOBase",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        return response_data.response
+
+    def _fax_files_serialize(
+        self,
+        fax_id,
+        _request_auth,
+        _content_type,
+        _headers,
+        _host_index,
+    ) -> RequestSerialized:
+
+        _host = None
+
+        _collection_formats: Dict[str, str] = {}
+
+        _path_params: Dict[str, str] = {}
+        _query_params: List[Tuple[str, str]] = []
+        _header_params: Dict[str, Optional[str]] = _headers or {}
+        _form_params: List[Tuple[str, str]] = []
+        _files: Dict[str, Union[str, bytes]] = {}
+        _body_params: Optional[bytes] = None
+
+        # process the path parameters
+        if fax_id is not None:
+            _path_params["fax_id"] = fax_id
+        # process the query parameters
+        # process the header parameters
+        # process the form parameters
+        # process the body parameter
+
+        # set the HTTP header `Accept`
+        if "Accept" not in _header_params:
+            _header_params["Accept"] = self.api_client.select_header_accept(
+                ["application/pdf", "application/json"]
+            )
+
+        # authentication setting
+        _auth_settings: List[str] = ["api_key"]
+
+        return self.api_client.param_serialize(
+            method="GET",
+            resource_path="/fax/files/{fax_id}",
+            path_params=_path_params,
+            query_params=_query_params,
+            header_params=_header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            auth_settings=_auth_settings,
+            collection_formats=_collection_formats,
+            _host=_host,
+            _request_auth=_request_auth,
+        )
+
+    @validate_call
+    def fax_get(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> FaxGetResponse:
+        """Get Fax
+
+        Returns information about fax
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_get_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxGetResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        ).data
+
+    @validate_call
+    def fax_get_with_http_info(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> ApiResponse[FaxGetResponse]:
+        """Get Fax
+
+        Returns information about fax
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_get_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxGetResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        )
+
+    @validate_call
+    def fax_get_without_preload_content(
+        self,
+        fax_id: Annotated[StrictStr, Field(description="Fax ID")],
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> RESTResponseType:
+        """Get Fax
+
+        Returns information about fax
+
+        :param fax_id: Fax ID (required)
+        :type fax_id: str
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_get_serialize(
+            fax_id=fax_id,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxGetResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        return response_data.response
+
+    def _fax_get_serialize(
+        self,
+        fax_id,
+        _request_auth,
+        _content_type,
+        _headers,
+        _host_index,
+    ) -> RequestSerialized:
+
+        _host = None
+
+        _collection_formats: Dict[str, str] = {}
+
+        _path_params: Dict[str, str] = {}
+        _query_params: List[Tuple[str, str]] = []
+        _header_params: Dict[str, Optional[str]] = _headers or {}
+        _form_params: List[Tuple[str, str]] = []
+        _files: Dict[str, Union[str, bytes]] = {}
+        _body_params: Optional[bytes] = None
+
+        # process the path parameters
+        if fax_id is not None:
+            _path_params["fax_id"] = fax_id
+        # process the query parameters
+        # process the header parameters
+        # process the form parameters
+        # process the body parameter
+
+        # set the HTTP header `Accept`
+        if "Accept" not in _header_params:
+            _header_params["Accept"] = self.api_client.select_header_accept(
+                ["application/json"]
+            )
+
+        # authentication setting
+        _auth_settings: List[str] = ["api_key"]
+
+        return self.api_client.param_serialize(
+            method="GET",
+            resource_path="/fax/{fax_id}",
+            path_params=_path_params,
+            query_params=_query_params,
+            header_params=_header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            auth_settings=_auth_settings,
+            collection_formats=_collection_formats,
+            _host=_host,
+            _request_auth=_request_auth,
+        )
+
+    @validate_call
+    def fax_list(
+        self,
+        page: Annotated[
+            Optional[Annotated[int, Field(strict=True, ge=1)]],
+            Field(description="Page"),
+        ] = None,
+        page_size: Annotated[
+            Optional[Annotated[int, Field(le=100, strict=True, ge=1)]],
+            Field(description="Page size"),
+        ] = None,
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> FaxListResponse:
+        """Lists Faxes
+
+        Returns properties of multiple faxes
+
+        :param page: Page
+        :type page: int
+        :param page_size: Page size
+        :type page_size: int
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_list_serialize(
+            page=page,
+            page_size=page_size,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxListResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        ).data
+
+    @validate_call
+    def fax_list_with_http_info(
+        self,
+        page: Annotated[
+            Optional[Annotated[int, Field(strict=True, ge=1)]],
+            Field(description="Page"),
+        ] = None,
+        page_size: Annotated[
+            Optional[Annotated[int, Field(le=100, strict=True, ge=1)]],
+            Field(description="Page size"),
+        ] = None,
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> ApiResponse[FaxListResponse]:
+        """Lists Faxes
+
+        Returns properties of multiple faxes
+
+        :param page: Page
+        :type page: int
+        :param page_size: Page size
+        :type page_size: int
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_list_serialize(
+            page=page,
+            page_size=page_size,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxListResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        )
+
+    @validate_call
+    def fax_list_without_preload_content(
+        self,
+        page: Annotated[
+            Optional[Annotated[int, Field(strict=True, ge=1)]],
+            Field(description="Page"),
+        ] = None,
+        page_size: Annotated[
+            Optional[Annotated[int, Field(le=100, strict=True, ge=1)]],
+            Field(description="Page size"),
+        ] = None,
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> RESTResponseType:
+        """Lists Faxes
+
+        Returns properties of multiple faxes
+
+        :param page: Page
+        :type page: int
+        :param page_size: Page size
+        :type page_size: int
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_list_serialize(
+            page=page,
+            page_size=page_size,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxListResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        return response_data.response
+
+    def _fax_list_serialize(
+        self,
+        page,
+        page_size,
+        _request_auth,
+        _content_type,
+        _headers,
+        _host_index,
+    ) -> RequestSerialized:
+
+        _host = None
+
+        _collection_formats: Dict[str, str] = {}
+
+        _path_params: Dict[str, str] = {}
+        _query_params: List[Tuple[str, str]] = []
+        _header_params: Dict[str, Optional[str]] = _headers or {}
+        _form_params: List[Tuple[str, str]] = []
+        _files: Dict[str, Union[str, bytes]] = {}
+        _body_params: Optional[bytes] = None
+
+        # process the path parameters
+        # process the query parameters
+        if page is not None:
+
+            _query_params.append(("page", page))
+
+        if page_size is not None:
+
+            _query_params.append(("page_size", page_size))
+
+        # process the header parameters
+        # process the form parameters
+        # process the body parameter
+
+        # set the HTTP header `Accept`
+        if "Accept" not in _header_params:
+            _header_params["Accept"] = self.api_client.select_header_accept(
+                ["application/json"]
+            )
+
+        # authentication setting
+        _auth_settings: List[str] = ["api_key"]
+
+        return self.api_client.param_serialize(
+            method="GET",
+            resource_path="/fax/list",
+            path_params=_path_params,
+            query_params=_query_params,
+            header_params=_header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            auth_settings=_auth_settings,
+            collection_formats=_collection_formats,
+            _host=_host,
+            _request_auth=_request_auth,
+        )
+
+    @validate_call
+    def fax_send(
+        self,
+        fax_send_request: FaxSendRequest,
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> FaxGetResponse:
+        """Send Fax
+
+        Action to prepare and send a fax
+
+        :param fax_send_request: (required)
+        :type fax_send_request: FaxSendRequest
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_send_serialize(
+            fax_send_request=fax_send_request,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxGetResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        ).data
+
+    @validate_call
+    def fax_send_with_http_info(
+        self,
+        fax_send_request: FaxSendRequest,
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> ApiResponse[FaxGetResponse]:
+        """Send Fax
+
+        Action to prepare and send a fax
+
+        :param fax_send_request: (required)
+        :type fax_send_request: FaxSendRequest
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_send_serialize(
+            fax_send_request=fax_send_request,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxGetResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        response_data.read()
+        return self.api_client.response_deserialize(
+            response_data=response_data,
+            response_types_map=_response_types_map,
+        )
+
+    @validate_call
+    def fax_send_without_preload_content(
+        self,
+        fax_send_request: FaxSendRequest,
+        _request_timeout: Union[
+            None,
+            Annotated[StrictFloat, Field(gt=0)],
+            Tuple[
+                Annotated[StrictFloat, Field(gt=0)], Annotated[StrictFloat, Field(gt=0)]
+            ],
+        ] = None,
+        _request_auth: Optional[Dict[StrictStr, Any]] = None,
+        _content_type: Optional[StrictStr] = None,
+        _headers: Optional[Dict[StrictStr, Any]] = None,
+        _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
+    ) -> RESTResponseType:
+        """Send Fax
+
+        Action to prepare and send a fax
+
+        :param fax_send_request: (required)
+        :type fax_send_request: FaxSendRequest
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :type _request_timeout: int, tuple(int, int), optional
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the
+                              authentication in the spec for a single request.
+        :type _request_auth: dict, optional
+        :param _content_type: force content-type for the request.
+        :type _content_type: str, Optional
+        :param _headers: set to override the headers for a single
+                         request; this effectively ignores the headers
+                         in the spec for a single request.
+        :type _headers: dict, optional
+        :param _host_index: set to override the host_index for a single
+                            request; this effectively ignores the host_index
+                            in the spec for a single request.
+        :type _host_index: int, optional
+        :return: Returns the result object.
+        """  # noqa: E501
+
+        _param = self._fax_send_serialize(
+            fax_send_request=fax_send_request,
+            _request_auth=_request_auth,
+            _content_type=_content_type,
+            _headers=_headers,
+            _host_index=_host_index,
+        )
+
+        _response_types_map: Dict[str, Optional[str]] = {
+            "200": "FaxGetResponse",
+            "4XX": "ErrorResponse",
+        }
+        response_data = self.api_client.call_api(
+            *_param, _request_timeout=_request_timeout
+        )
+        return response_data.response
+
+    def _fax_send_serialize(
+        self,
+        fax_send_request,
+        _request_auth,
+        _content_type,
+        _headers,
+        _host_index,
+    ) -> RequestSerialized:
+
+        _host = None
+
+        _collection_formats: Dict[str, str] = {}
+
+        _path_params: Dict[str, str] = {}
+        _query_params: List[Tuple[str, str]] = []
+        _header_params: Dict[str, Optional[str]] = _headers or {}
+        _form_params: List[Tuple[str, str]] = []
+        _files: Dict[str, Union[str, bytes]] = {}
+        _body_params: Optional[bytes] = None
+
+        has_files = False
+        body_param = fax_send_request
+        excluded_json_fields = set([])
+        for param_name, param_type in body_param.openapi_types().items():
+            param_value = getattr(body_param, param_name)
+            if param_value is None:
+                continue
+
+            if "io.IOBase" in param_type:
+                has_files = True
+                _content_type = "multipart/form-data"
+                excluded_json_fields.add(param_name)
+
+                if isinstance(param_value, list):
+                    for index, item in enumerate(param_value):
+                        _files[f"{param_name}[{index}]"] = item
+                else:
+                    _files[param_name] = param_value
+
+        if has_files is True:
+            _form_params = body_param.to_json_form_params(excluded_json_fields)
+
+        # process the path parameters
+        # process the query parameters
+        # process the header parameters
+        # process the form parameters
+        # process the body parameter
+        if fax_send_request is not None and has_files is False:
+            _body_params = fax_send_request
+
+        # set the HTTP header `Accept`
+        if "Accept" not in _header_params:
+            _header_params["Accept"] = self.api_client.select_header_accept(
+                ["application/json"]
+            )
+
+        # set the HTTP header `Content-Type`
+        if _content_type:
+            _header_params["Content-Type"] = _content_type
+        else:
+            _default_content_type = self.api_client.select_header_content_type(
+                ["application/json", "multipart/form-data"]
+            )
+            if _default_content_type is not None:
+                _header_params["Content-Type"] = _default_content_type
+
+        # authentication setting
+        _auth_settings: List[str] = ["api_key"]
+
+        return self.api_client.param_serialize(
+            method="POST",
+            resource_path="/fax/send",
+            path_params=_path_params,
+            query_params=_query_params,
+            header_params=_header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            auth_settings=_auth_settings,
+            collection_formats=_collection_formats,
+            _host=_host,
+            _request_auth=_request_auth,
+        )
diff --git a/sdks/python/dropbox_sign/apis/__init__.py b/sdks/python/dropbox_sign/apis/__init__.py
index 16344f32d..0df638089 100644
--- a/sdks/python/dropbox_sign/apis/__init__.py
+++ b/sdks/python/dropbox_sign/apis/__init__.py
@@ -5,6 +5,7 @@
 from dropbox_sign.api.api_app_api import ApiAppApi
 from dropbox_sign.api.bulk_send_job_api import BulkSendJobApi
 from dropbox_sign.api.embedded_api import EmbeddedApi
+from dropbox_sign.api.fax_api import FaxApi
 from dropbox_sign.api.fax_line_api import FaxLineApi
 from dropbox_sign.api.o_auth_api import OAuthApi
 from dropbox_sign.api.report_api import ReportApi
diff --git a/sdks/python/dropbox_sign/models/__init__.py b/sdks/python/dropbox_sign/models/__init__.py
index 919a66d9c..97af4020e 100644
--- a/sdks/python/dropbox_sign/models/__init__.py
+++ b/sdks/python/dropbox_sign/models/__init__.py
@@ -63,6 +63,7 @@
 from dropbox_sign.models.event_callback_request_event_metadata import (
     EventCallbackRequestEventMetadata,
 )
+from dropbox_sign.models.fax_get_response import FaxGetResponse
 from dropbox_sign.models.fax_line_add_user_request import FaxLineAddUserRequest
 from dropbox_sign.models.fax_line_area_code_get_country_enum import (
     FaxLineAreaCodeGetCountryEnum,
@@ -82,6 +83,10 @@
 from dropbox_sign.models.fax_line_remove_user_request import FaxLineRemoveUserRequest
 from dropbox_sign.models.fax_line_response import FaxLineResponse
 from dropbox_sign.models.fax_line_response_fax_line import FaxLineResponseFaxLine
+from dropbox_sign.models.fax_list_response import FaxListResponse
+from dropbox_sign.models.fax_response import FaxResponse
+from dropbox_sign.models.fax_response_transmission import FaxResponseTransmission
+from dropbox_sign.models.fax_send_request import FaxSendRequest
 from dropbox_sign.models.file_response import FileResponse
 from dropbox_sign.models.file_response_data_uri import FileResponseDataUri
 from dropbox_sign.models.list_info_response import ListInfoResponse
diff --git a/sdks/python/dropbox_sign/models/fax_get_response.py b/sdks/python/dropbox_sign/models/fax_get_response.py
new file mode 100644
index 000000000..8c2b2249f
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/fax_get_response.py
@@ -0,0 +1,151 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict, Field
+from typing import Any, ClassVar, Dict, List, Optional
+from dropbox_sign.models.fax_response import FaxResponse
+from dropbox_sign.models.warning_response import WarningResponse
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class FaxGetResponse(BaseModel):
+    """
+    FaxGetResponse
+    """  # noqa: E501
+
+    fax: FaxResponse
+    warnings: Optional[List[WarningResponse]] = Field(
+        default=None, description="A list of warnings."
+    )
+    __properties: ClassVar[List[str]] = ["fax", "warnings"]
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of FaxGetResponse from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        # override the default output from pydantic by calling `to_dict()` of fax
+        if self.fax:
+            _dict["fax"] = self.fax.to_dict()
+        # override the default output from pydantic by calling `to_dict()` of each item in warnings (list)
+        _items = []
+        if self.warnings:
+            for _item_warnings in self.warnings:
+                if _item_warnings:
+                    _items.append(_item_warnings.to_dict())
+            _dict["warnings"] = _items
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of FaxGetResponse from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {
+                "fax": (
+                    FaxResponse.from_dict(obj["fax"])
+                    if obj.get("fax") is not None
+                    else None
+                ),
+                "warnings": (
+                    [WarningResponse.from_dict(_item) for _item in obj["warnings"]]
+                    if obj.get("warnings") is not None
+                    else None
+                ),
+            }
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "fax": "(FaxResponse,)",
+            "warnings": "(List[WarningResponse],)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in [
+            "warnings",
+        ]
diff --git a/sdks/python/dropbox_sign/models/fax_list_response.py b/sdks/python/dropbox_sign/models/fax_list_response.py
new file mode 100644
index 000000000..b62b406e1
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/fax_list_response.py
@@ -0,0 +1,149 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict
+from typing import Any, ClassVar, Dict, List
+from dropbox_sign.models.fax_response import FaxResponse
+from dropbox_sign.models.list_info_response import ListInfoResponse
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class FaxListResponse(BaseModel):
+    """
+    FaxListResponse
+    """  # noqa: E501
+
+    faxes: List[FaxResponse]
+    list_info: ListInfoResponse
+    __properties: ClassVar[List[str]] = ["faxes", "list_info"]
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of FaxListResponse from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        # override the default output from pydantic by calling `to_dict()` of each item in faxes (list)
+        _items = []
+        if self.faxes:
+            for _item_faxes in self.faxes:
+                if _item_faxes:
+                    _items.append(_item_faxes.to_dict())
+            _dict["faxes"] = _items
+        # override the default output from pydantic by calling `to_dict()` of list_info
+        if self.list_info:
+            _dict["list_info"] = self.list_info.to_dict()
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of FaxListResponse from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {
+                "faxes": (
+                    [FaxResponse.from_dict(_item) for _item in obj["faxes"]]
+                    if obj.get("faxes") is not None
+                    else None
+                ),
+                "list_info": (
+                    ListInfoResponse.from_dict(obj["list_info"])
+                    if obj.get("list_info") is not None
+                    else None
+                ),
+            }
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "faxes": "(List[FaxResponse],)",
+            "list_info": "(ListInfoResponse,)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in [
+            "faxes",
+        ]
diff --git a/sdks/python/dropbox_sign/models/fax_response.py b/sdks/python/dropbox_sign/models/fax_response.py
new file mode 100644
index 000000000..035993f12
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/fax_response.py
@@ -0,0 +1,181 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict, Field, StrictInt, StrictStr
+from typing import Any, ClassVar, Dict, List
+from dropbox_sign.models.fax_response_transmission import FaxResponseTransmission
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class FaxResponse(BaseModel):
+    """
+    FaxResponse
+    """  # noqa: E501
+
+    fax_id: StrictStr = Field(description="Fax ID")
+    title: StrictStr = Field(description="Fax Title")
+    original_title: StrictStr = Field(description="Fax Original Title")
+    subject: StrictStr = Field(description="Fax Subject")
+    message: StrictStr = Field(description="Fax Message")
+    metadata: Dict[str, Any] = Field(description="Fax Metadata")
+    created_at: StrictInt = Field(description="Fax Created At Timestamp")
+    sender: StrictStr = Field(description="Fax Sender Email")
+    transmissions: List[FaxResponseTransmission] = Field(
+        description="Fax Transmissions List"
+    )
+    files_url: StrictStr = Field(description="Fax Files URL")
+    __properties: ClassVar[List[str]] = [
+        "fax_id",
+        "title",
+        "original_title",
+        "subject",
+        "message",
+        "metadata",
+        "created_at",
+        "sender",
+        "transmissions",
+        "files_url",
+    ]
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of FaxResponse from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        # override the default output from pydantic by calling `to_dict()` of each item in transmissions (list)
+        _items = []
+        if self.transmissions:
+            for _item_transmissions in self.transmissions:
+                if _item_transmissions:
+                    _items.append(_item_transmissions.to_dict())
+            _dict["transmissions"] = _items
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of FaxResponse from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {
+                "fax_id": obj.get("fax_id"),
+                "title": obj.get("title"),
+                "original_title": obj.get("original_title"),
+                "subject": obj.get("subject"),
+                "message": obj.get("message"),
+                "metadata": obj.get("metadata"),
+                "created_at": obj.get("created_at"),
+                "sender": obj.get("sender"),
+                "transmissions": (
+                    [
+                        FaxResponseTransmission.from_dict(_item)
+                        for _item in obj["transmissions"]
+                    ]
+                    if obj.get("transmissions") is not None
+                    else None
+                ),
+                "files_url": obj.get("files_url"),
+            }
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "fax_id": "(str,)",
+            "title": "(str,)",
+            "original_title": "(str,)",
+            "subject": "(str,)",
+            "message": "(str,)",
+            "metadata": "(Dict[str, object],)",
+            "created_at": "(int,)",
+            "sender": "(str,)",
+            "transmissions": "(List[FaxResponseTransmission],)",
+            "files_url": "(str,)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in [
+            "transmissions",
+        ]
diff --git a/sdks/python/dropbox_sign/models/fax_response_fax.py b/sdks/python/dropbox_sign/models/fax_response_fax.py
new file mode 100644
index 000000000..e66df9880
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/fax_response_fax.py
@@ -0,0 +1,187 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict, Field, StrictInt, StrictStr
+from typing import Any, ClassVar, Dict, List, Optional
+from dropbox_sign.models.fax_response_fax_transmission import FaxResponseFaxTransmission
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class FaxResponseFax(BaseModel):
+    """
+    FaxResponseFax
+    """  # noqa: E501
+
+    fax_id: Optional[StrictStr] = Field(default=None, description="Fax ID")
+    title: Optional[StrictStr] = Field(default=None, description="Fax Title")
+    original_title: Optional[StrictStr] = Field(
+        default=None, description="Fax Original Title"
+    )
+    subject: Optional[StrictStr] = Field(default=None, description="Fax Subject")
+    message: Optional[StrictStr] = Field(default=None, description="Fax Message")
+    metadata: Optional[Dict[str, Any]] = Field(default=None, description="Fax Metadata")
+    created_at: Optional[StrictInt] = Field(
+        default=None, description="Fax Created At Timestamp"
+    )
+    var_from: Optional[StrictStr] = Field(
+        default=None, description="Fax Sender Email", alias="from"
+    )
+    transmissions: Optional[List[FaxResponseFaxTransmission]] = Field(
+        default=None, description="Fax Transmissions List"
+    )
+    files_url: Optional[StrictStr] = Field(default=None, description="Fax Files URL")
+    __properties: ClassVar[List[str]] = [
+        "fax_id",
+        "title",
+        "original_title",
+        "subject",
+        "message",
+        "metadata",
+        "created_at",
+        "from",
+        "transmissions",
+        "files_url",
+    ]
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of FaxResponseFax from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        # override the default output from pydantic by calling `to_dict()` of each item in transmissions (list)
+        _items = []
+        if self.transmissions:
+            for _item_transmissions in self.transmissions:
+                if _item_transmissions:
+                    _items.append(_item_transmissions.to_dict())
+            _dict["transmissions"] = _items
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of FaxResponseFax from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {
+                "fax_id": obj.get("fax_id"),
+                "title": obj.get("title"),
+                "original_title": obj.get("original_title"),
+                "subject": obj.get("subject"),
+                "message": obj.get("message"),
+                "metadata": obj.get("metadata"),
+                "created_at": obj.get("created_at"),
+                "from": obj.get("from"),
+                "transmissions": (
+                    [
+                        FaxResponseFaxTransmission.from_dict(_item)
+                        for _item in obj["transmissions"]
+                    ]
+                    if obj.get("transmissions") is not None
+                    else None
+                ),
+                "files_url": obj.get("files_url"),
+            }
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "fax_id": "(str,)",
+            "title": "(str,)",
+            "original_title": "(str,)",
+            "subject": "(str,)",
+            "message": "(str,)",
+            "metadata": "(object,)",
+            "created_at": "(int,)",
+            "var_from": "(str,)",
+            "transmissions": "(List[FaxResponseFaxTransmission],)",
+            "files_url": "(str,)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in [
+            "transmissions",
+        ]
diff --git a/sdks/python/dropbox_sign/models/fax_response_fax_transmission.py b/sdks/python/dropbox_sign/models/fax_response_fax_transmission.py
new file mode 100644
index 000000000..0c47a93f0
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/fax_response_fax_transmission.py
@@ -0,0 +1,146 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict, Field, StrictInt, StrictStr
+from typing import Any, ClassVar, Dict, List, Optional
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class FaxResponseFaxTransmission(BaseModel):
+    """
+    FaxResponseFaxTransmission
+    """  # noqa: E501
+
+    recipient: Optional[StrictStr] = Field(
+        default=None, description="Fax Transmission Recipient"
+    )
+    sender: Optional[StrictStr] = Field(
+        default=None, description="Fax Transmission Sender"
+    )
+    status_code: Optional[StrictStr] = Field(
+        default=None, description="Fax Transmission Status Code"
+    )
+    sent_at: Optional[StrictInt] = Field(
+        default=None, description="Fax Transmission Sent Timestamp"
+    )
+    __properties: ClassVar[List[str]] = [
+        "recipient",
+        "sender",
+        "status_code",
+        "sent_at",
+    ]
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of FaxResponseFaxTransmission from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of FaxResponseFaxTransmission from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {
+                "recipient": obj.get("recipient"),
+                "sender": obj.get("sender"),
+                "status_code": obj.get("status_code"),
+                "sent_at": obj.get("sent_at"),
+            }
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "recipient": "(str,)",
+            "sender": "(str,)",
+            "status_code": "(str,)",
+            "sent_at": "(int,)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in []
diff --git a/sdks/python/dropbox_sign/models/fax_response_transmission.py b/sdks/python/dropbox_sign/models/fax_response_transmission.py
new file mode 100644
index 000000000..c34d2e9ae
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/fax_response_transmission.py
@@ -0,0 +1,160 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict, Field, StrictInt, StrictStr, field_validator
+from typing import Any, ClassVar, Dict, List, Optional
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class FaxResponseTransmission(BaseModel):
+    """
+    FaxResponseTransmission
+    """  # noqa: E501
+
+    recipient: StrictStr = Field(description="Fax Transmission Recipient")
+    sender: StrictStr = Field(description="Fax Transmission Sender")
+    status_code: StrictStr = Field(description="Fax Transmission Status Code")
+    sent_at: Optional[StrictInt] = Field(
+        default=None, description="Fax Transmission Sent Timestamp"
+    )
+    __properties: ClassVar[List[str]] = [
+        "recipient",
+        "sender",
+        "status_code",
+        "sent_at",
+    ]
+
+    @field_validator("status_code")
+    def status_code_validate_enum(cls, value):
+        """Validates the enum"""
+        if value not in set(
+            [
+                "success",
+                "transmitting",
+                "error_could_not_fax",
+                "error_unknown",
+                "error_busy",
+                "error_no_answer",
+                "error_disconnected",
+                "error_bad_destination",
+            ]
+        ):
+            raise ValueError(
+                "must be one of enum values ('success', 'transmitting', 'error_could_not_fax', 'error_unknown', 'error_busy', 'error_no_answer', 'error_disconnected', 'error_bad_destination')"
+            )
+        return value
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of FaxResponseTransmission from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of FaxResponseTransmission from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {
+                "recipient": obj.get("recipient"),
+                "sender": obj.get("sender"),
+                "status_code": obj.get("status_code"),
+                "sent_at": obj.get("sent_at"),
+            }
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "recipient": "(str,)",
+            "sender": "(str,)",
+            "status_code": "(str,)",
+            "sent_at": "(int,)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in []
diff --git a/sdks/python/dropbox_sign/models/fax_send_request.py b/sdks/python/dropbox_sign/models/fax_send_request.py
new file mode 100644
index 000000000..9fe6c54a3
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/fax_send_request.py
@@ -0,0 +1,177 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict, Field, StrictBool, StrictBytes, StrictStr
+from typing import Any, ClassVar, Dict, List, Optional, Union
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class FaxSendRequest(BaseModel):
+    """
+    FaxSendRequest
+    """  # noqa: E501
+
+    recipient: StrictStr = Field(description="Fax Send To Recipient")
+    sender: Optional[StrictStr] = Field(
+        default=None, description="Fax Send From Sender (used only with fax number)"
+    )
+    files: Optional[List[Union[StrictBytes, StrictStr, io.IOBase]]] = Field(
+        default=None, description="Fax File to Send"
+    )
+    file_urls: Optional[List[StrictStr]] = Field(
+        default=None, description="Fax File URL to Send"
+    )
+    test_mode: Optional[StrictBool] = Field(
+        default=False, description="API Test Mode Setting"
+    )
+    cover_page_to: Optional[StrictStr] = Field(
+        default=None, description="Fax Cover Page for Recipient"
+    )
+    cover_page_from: Optional[StrictStr] = Field(
+        default=None, description="Fax Cover Page for Sender"
+    )
+    cover_page_message: Optional[StrictStr] = Field(
+        default=None, description="Fax Cover Page Message"
+    )
+    title: Optional[StrictStr] = Field(default=None, description="Fax Title")
+    __properties: ClassVar[List[str]] = [
+        "recipient",
+        "sender",
+        "files",
+        "file_urls",
+        "test_mode",
+        "cover_page_to",
+        "cover_page_from",
+        "cover_page_message",
+        "title",
+    ]
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of FaxSendRequest from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of FaxSendRequest from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {
+                "recipient": obj.get("recipient"),
+                "sender": obj.get("sender"),
+                "files": obj.get("files"),
+                "file_urls": obj.get("file_urls"),
+                "test_mode": (
+                    obj.get("test_mode") if obj.get("test_mode") is not None else False
+                ),
+                "cover_page_to": obj.get("cover_page_to"),
+                "cover_page_from": obj.get("cover_page_from"),
+                "cover_page_message": obj.get("cover_page_message"),
+                "title": obj.get("title"),
+            }
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "recipient": "(str,)",
+            "sender": "(str,)",
+            "files": "(List[io.IOBase],)",
+            "file_urls": "(List[str],)",
+            "test_mode": "(bool,)",
+            "cover_page_to": "(str,)",
+            "cover_page_from": "(str,)",
+            "cover_page_message": "(str,)",
+            "title": "(str,)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in [
+            "files",
+            "file_urls",
+        ]
diff --git a/sdks/python/dropbox_sign/models/sub_file.py b/sdks/python/dropbox_sign/models/sub_file.py
new file mode 100644
index 000000000..a3c21e4f7
--- /dev/null
+++ b/sdks/python/dropbox_sign/models/sub_file.py
@@ -0,0 +1,125 @@
+# coding: utf-8
+
+"""
+    Dropbox Sign API
+
+    Dropbox Sign v3 API
+
+    The version of the OpenAPI document: 3.0.0
+    Contact: apisupport@hellosign.com
+    Generated by OpenAPI Generator (https://openapi-generator.tech)
+
+    Do not edit the class manually.
+"""  # noqa: E501
+
+
+from __future__ import annotations
+import pprint
+import re  # noqa: F401
+import json
+
+from pydantic import BaseModel, ConfigDict, Field, StrictStr
+from typing import Any, ClassVar, Dict, List, Optional
+from typing import Optional, Set, Tuple
+from typing_extensions import Self
+import io
+from pydantic import StrictBool
+from typing import Union
+
+
+class SubFile(BaseModel):
+    """
+    Actual uploaded physical file
+    """  # noqa: E501
+
+    name: Optional[StrictStr] = Field(
+        default="",
+        description="Actual physical uploaded file name that is derived during upload. Not settable parameter.",
+    )
+    __properties: ClassVar[List[str]] = ["name"]
+
+    model_config = ConfigDict(
+        populate_by_name=True,
+        validate_assignment=True,
+        protected_namespaces=(),
+        arbitrary_types_allowed=True,
+    )
+
+    def to_str(self) -> str:
+        """Returns the string representation of the model using alias"""
+        return pprint.pformat(self.model_dump(by_alias=True))
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the model using alias"""
+        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
+        return json.dumps(self.to_dict())
+
+    def to_json_form_params(
+        self, excluded_fields: Set[str] = None
+    ) -> List[Tuple[str, str]]:
+        data: List[Tuple[str, str]] = []
+
+        for key, value in self.to_dict(excluded_fields).items():
+            if isinstance(value, (int, str, bool)):
+                data.append((key, value))
+            else:
+                data.append((key, json.dumps(value, ensure_ascii=False)))
+
+        return data
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Optional[Self]:
+        """Create an instance of SubFile from a JSON string"""
+        return cls.from_dict(json.loads(json_str))
+
+    def to_dict(self, excluded_fields: Set[str] = None) -> Dict[str, Any]:
+        """Return the dictionary representation of the model using alias.
+
+        This has the following differences from calling pydantic's
+        `self.model_dump(by_alias=True)`:
+
+        * `None` is only added to the output dict for nullable fields that
+          were set at model initialization. Other fields with value `None`
+          are ignored.
+        """
+
+        _dict = self.model_dump(
+            by_alias=True,
+            exclude=excluded_fields,
+            exclude_none=True,
+        )
+        return _dict
+
+    @classmethod
+    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
+        """Create an instance of SubFile from a dict"""
+        if obj is None:
+            return None
+
+        if not isinstance(obj, dict):
+            return cls.model_validate(obj)
+
+        _obj = cls.model_validate(
+            {"name": obj.get("name") if obj.get("name") is not None else ""}
+        )
+        return _obj
+
+    @classmethod
+    def init(cls, data: Any) -> Self:
+        """
+        Attempt to instantiate and hydrate a new instance of this class
+        """
+        if isinstance(data, str):
+            data = json.loads(data)
+
+        return cls.from_dict(data)
+
+    @classmethod
+    def openapi_types(cls) -> Dict[str, str]:
+        return {
+            "name": "(str,)",
+        }
+
+    @classmethod
+    def openapi_type_is_array(cls, property_name: str) -> bool:
+        return property_name in []
diff --git a/sdks/ruby/README.md b/sdks/ruby/README.md
index 1dd16ae20..c64b20c98 100644
--- a/sdks/ruby/README.md
+++ b/sdks/ruby/README.md
@@ -121,6 +121,11 @@ All URIs are relative to *https://api.hellosign.com/v3*
 |*Dropbox::Sign::BulkSendJobApi* | [**bulk_send_job_list**](docs/BulkSendJobApi.md#bulk_send_job_list) | **GET** /bulk_send_job/list | List Bulk Send Jobs |
 |*Dropbox::Sign::EmbeddedApi* | [**embedded_edit_url**](docs/EmbeddedApi.md#embedded_edit_url) | **POST** /embedded/edit_url/{template_id} | Get Embedded Template Edit URL |
 |*Dropbox::Sign::EmbeddedApi* | [**embedded_sign_url**](docs/EmbeddedApi.md#embedded_sign_url) | **GET** /embedded/sign_url/{signature_id} | Get Embedded Sign URL |
+|*Dropbox::Sign::FaxApi* | [**fax_delete**](docs/FaxApi.md#fax_delete) | **DELETE** /fax/{fax_id} | Delete Fax |
+|*Dropbox::Sign::FaxApi* | [**fax_files**](docs/FaxApi.md#fax_files) | **GET** /fax/files/{fax_id} | List Fax Files |
+|*Dropbox::Sign::FaxApi* | [**fax_get**](docs/FaxApi.md#fax_get) | **GET** /fax/{fax_id} | Get Fax |
+|*Dropbox::Sign::FaxApi* | [**fax_list**](docs/FaxApi.md#fax_list) | **GET** /fax/list | Lists Faxes |
+|*Dropbox::Sign::FaxApi* | [**fax_send**](docs/FaxApi.md#fax_send) | **POST** /fax/send | Send Fax |
 |*Dropbox::Sign::FaxLineApi* | [**fax_line_add_user**](docs/FaxLineApi.md#fax_line_add_user) | **PUT** /fax_line/add_user | Add Fax Line User |
 |*Dropbox::Sign::FaxLineApi* | [**fax_line_area_code_get**](docs/FaxLineApi.md#fax_line_area_code_get) | **GET** /fax_line/area_codes | Get Available Fax Line Area Codes |
 |*Dropbox::Sign::FaxLineApi* | [**fax_line_create**](docs/FaxLineApi.md#fax_line_create) | **POST** /fax_line/create | Purchase Fax Line |
@@ -210,6 +215,7 @@ All URIs are relative to *https://api.hellosign.com/v3*
  - [Dropbox::Sign::EventCallbackRequest](docs/EventCallbackRequest.md)
  - [Dropbox::Sign::EventCallbackRequestEvent](docs/EventCallbackRequestEvent.md)
  - [Dropbox::Sign::EventCallbackRequestEventMetadata](docs/EventCallbackRequestEventMetadata.md)
+ - [Dropbox::Sign::FaxGetResponse](docs/FaxGetResponse.md)
  - [Dropbox::Sign::FaxLineAddUserRequest](docs/FaxLineAddUserRequest.md)
  - [Dropbox::Sign::FaxLineAreaCodeGetCountryEnum](docs/FaxLineAreaCodeGetCountryEnum.md)
  - [Dropbox::Sign::FaxLineAreaCodeGetProvinceEnum](docs/FaxLineAreaCodeGetProvinceEnum.md)
@@ -221,6 +227,10 @@ All URIs are relative to *https://api.hellosign.com/v3*
  - [Dropbox::Sign::FaxLineRemoveUserRequest](docs/FaxLineRemoveUserRequest.md)
  - [Dropbox::Sign::FaxLineResponse](docs/FaxLineResponse.md)
  - [Dropbox::Sign::FaxLineResponseFaxLine](docs/FaxLineResponseFaxLine.md)
+ - [Dropbox::Sign::FaxListResponse](docs/FaxListResponse.md)
+ - [Dropbox::Sign::FaxResponse](docs/FaxResponse.md)
+ - [Dropbox::Sign::FaxResponseTransmission](docs/FaxResponseTransmission.md)
+ - [Dropbox::Sign::FaxSendRequest](docs/FaxSendRequest.md)
  - [Dropbox::Sign::FileResponse](docs/FileResponse.md)
  - [Dropbox::Sign::FileResponseDataUri](docs/FileResponseDataUri.md)
  - [Dropbox::Sign::ListInfoResponse](docs/ListInfoResponse.md)
diff --git a/sdks/ruby/docs/FaxApi.md b/sdks/ruby/docs/FaxApi.md
new file mode 100644
index 000000000..23129b6d7
--- /dev/null
+++ b/sdks/ruby/docs/FaxApi.md
@@ -0,0 +1,364 @@
+# Dropbox::Sign::FaxApi
+
+All URIs are relative to *https://api.hellosign.com/v3*
+
+| Method | HTTP request | Description |
+| ------ | ------------ | ----------- |
+| [`fax_delete`](FaxApi.md#fax_delete) | **DELETE** `/fax/{fax_id}` | Delete Fax |
+| [`fax_files`](FaxApi.md#fax_files) | **GET** `/fax/files/{fax_id}` | List Fax Files |
+| [`fax_get`](FaxApi.md#fax_get) | **GET** `/fax/{fax_id}` | Get Fax |
+| [`fax_list`](FaxApi.md#fax_list) | **GET** `/fax/list` | Lists Faxes |
+| [`fax_send`](FaxApi.md#fax_send) | **POST** `/fax/send` | Send Fax |
+
+
+## `fax_delete`
+
+> `fax_delete(fax_id)`
+
+Delete Fax
+
+Deletes the specified Fax from the system.
+
+### Examples
+
+```ruby
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+begin
+  fax_api.fax_delete("fa5c8a0b0f492d768749333ad6fcc214c111e967")
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
+
+```
+
+#### Using the `fax_delete_with_http_info` variant
+
+This returns an Array which contains the response data (`nil` in this case), status code and headers.
+
+> `<Array(nil, Integer, Hash)> fax_delete_with_http_info(fax_id)`
+
+```ruby
+begin
+  # Delete Fax
+  data, status_code, headers = api_instance.fax_delete_with_http_info(fax_id)
+  p status_code # => 2xx
+  p headers # => { ... }
+  p data # => nil
+rescue Dropbox::Sign::ApiError => e
+  puts "Error when calling FaxApi->fax_delete_with_http_info: #{e}"
+end
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_id` | **String** | Fax ID |  |
+
+### Return type
+
+nil (empty response body)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+
+## `fax_files`
+
+> `File fax_files(fax_id)`
+
+List Fax Files
+
+Returns list of fax files
+
+### Examples
+
+```ruby
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+faxId = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+begin
+  file_bin = fax_api.fax_files(data)
+  FileUtils.cp(file_bin.path, "path/to/file.pdf")
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
+
+```
+
+#### Using the `fax_files_with_http_info` variant
+
+This returns an Array which contains the response data, status code and headers.
+
+> `<Array(File, Integer, Hash)> fax_files_with_http_info(fax_id)`
+
+```ruby
+begin
+  # List Fax Files
+  data, status_code, headers = api_instance.fax_files_with_http_info(fax_id)
+  p status_code # => 2xx
+  p headers # => { ... }
+  p data # => File
+rescue Dropbox::Sign::ApiError => e
+  puts "Error when calling FaxApi->fax_files_with_http_info: #{e}"
+end
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_id` | **String** | Fax ID |  |
+
+### Return type
+
+**File**
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/pdf, application/json
+
+
+## `fax_get`
+
+> `<FaxGetResponse> fax_get(fax_id)`
+
+Get Fax
+
+Returns information about fax
+
+### Examples
+
+```ruby
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+fax_id = "fa5c8a0b0f492d768749333ad6fcc214c111e967"
+
+begin
+  result = fax_api.fax_get(fax_id)
+  p result
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
+
+```
+
+#### Using the `fax_get_with_http_info` variant
+
+This returns an Array which contains the response data, status code and headers.
+
+> `<Array(<FaxGetResponse>, Integer, Hash)> fax_get_with_http_info(fax_id)`
+
+```ruby
+begin
+  # Get Fax
+  data, status_code, headers = api_instance.fax_get_with_http_info(fax_id)
+  p status_code # => 2xx
+  p headers # => { ... }
+  p data # => <FaxGetResponse>
+rescue Dropbox::Sign::ApiError => e
+  puts "Error when calling FaxApi->fax_get_with_http_info: #{e}"
+end
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_id` | **String** | Fax ID |  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+
+## `fax_list`
+
+> `<FaxListResponse> fax_list(opts)`
+
+Lists Faxes
+
+Returns properties of multiple faxes
+
+### Examples
+
+```ruby
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+page = 1
+page_size = 2
+
+begin
+  result = fax_api.fax_list({ page: page, page_size: page_size })
+  p result
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
+
+```
+
+#### Using the `fax_list_with_http_info` variant
+
+This returns an Array which contains the response data, status code and headers.
+
+> `<Array(<FaxListResponse>, Integer, Hash)> fax_list_with_http_info(opts)`
+
+```ruby
+begin
+  # Lists Faxes
+  data, status_code, headers = api_instance.fax_list_with_http_info(opts)
+  p status_code # => 2xx
+  p headers # => { ... }
+  p data # => <FaxListResponse>
+rescue Dropbox::Sign::ApiError => e
+  puts "Error when calling FaxApi->fax_list_with_http_info: #{e}"
+end
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `page` | **Integer** | Page | [optional][default to 1] |
+| `page_size` | **Integer** | Page size | [optional][default to 20] |
+
+### Return type
+
+[**FaxListResponse**](FaxListResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+
+## `fax_send`
+
+> `<FaxGetResponse> fax_send(fax_send_request)`
+
+Send Fax
+
+Action to prepare and send a fax
+
+### Examples
+
+```ruby
+require "dropbox-sign"
+
+Dropbox::Sign.configure do |config|
+  # Configure HTTP basic authorization: api_key
+  config.username = "YOUR_API_KEY"
+end
+
+fax_api = Dropbox::Sign::FaxApi.new
+
+data = Dropbox::Sign::FaxSendRequest.new
+data.files = [File.new("example_signature_request.pdf", "r")]
+data.test_mode = true
+data.recipient = "16690000001"
+data.sender = "16690000000"
+data.cover_page_to = "Jill Fax"
+data.cover_page_message = "I'm sending you a fax!"
+data.cover_page_from = "Faxer Faxerson"
+data.title = "This is what the fax is about!"
+
+begin
+  result = fax_api.fax_send(data)
+  p result
+rescue Dropbox::Sign::ApiError => e
+  puts "Exception when calling Dropbox Sign API: #{e}"
+end
+
+```
+
+#### Using the `fax_send_with_http_info` variant
+
+This returns an Array which contains the response data, status code and headers.
+
+> `<Array(<FaxGetResponse>, Integer, Hash)> fax_send_with_http_info(fax_send_request)`
+
+```ruby
+begin
+  # Send Fax
+  data, status_code, headers = api_instance.fax_send_with_http_info(fax_send_request)
+  p status_code # => 2xx
+  p headers # => { ... }
+  p data # => <FaxGetResponse>
+rescue Dropbox::Sign::ApiError => e
+  puts "Error when calling FaxApi->fax_send_with_http_info: #{e}"
+end
+```
+
+### Parameters
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_send_request` | [**FaxSendRequest**](FaxSendRequest.md) |  |  |
+
+### Return type
+
+[**FaxGetResponse**](FaxGetResponse.md)
+
+### Authorization
+
+[api_key](../README.md#api_key)
+
+### HTTP request headers
+
+- **Content-Type**: application/json, multipart/form-data
+- **Accept**: application/json
+
diff --git a/sdks/ruby/docs/FaxGetResponse.md b/sdks/ruby/docs/FaxGetResponse.md
new file mode 100644
index 000000000..397322654
--- /dev/null
+++ b/sdks/ruby/docs/FaxGetResponse.md
@@ -0,0 +1,11 @@
+# Dropbox::Sign::FaxGetResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax`<sup>*_required_</sup> | [```FaxResponse```](FaxResponse.md) |    |  |
+| `warnings` | [```Array<WarningResponse>```](WarningResponse.md) |  A list of warnings.  |  |
+
diff --git a/sdks/ruby/docs/FaxListResponse.md b/sdks/ruby/docs/FaxListResponse.md
new file mode 100644
index 000000000..4ad86e488
--- /dev/null
+++ b/sdks/ruby/docs/FaxListResponse.md
@@ -0,0 +1,11 @@
+# Dropbox::Sign::FaxListResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `faxes`<sup>*_required_</sup> | [```Array<FaxResponse>```](FaxResponse.md) |    |  |
+| `list_info`<sup>*_required_</sup> | [```ListInfoResponse```](ListInfoResponse.md) |    |  |
+
diff --git a/sdks/ruby/docs/FaxResponse.md b/sdks/ruby/docs/FaxResponse.md
new file mode 100644
index 000000000..68c864bf3
--- /dev/null
+++ b/sdks/ruby/docs/FaxResponse.md
@@ -0,0 +1,19 @@
+# Dropbox::Sign::FaxResponse
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `fax_id`<sup>*_required_</sup> | ```String``` |  Fax ID  |  |
+| `title`<sup>*_required_</sup> | ```String``` |  Fax Title  |  |
+| `original_title`<sup>*_required_</sup> | ```String``` |  Fax Original Title  |  |
+| `subject`<sup>*_required_</sup> | ```String``` |  Fax Subject  |  |
+| `message`<sup>*_required_</sup> | ```String``` |  Fax Message  |  |
+| `metadata`<sup>*_required_</sup> | ```Hash<String, Object>``` |  Fax Metadata  |  |
+| `created_at`<sup>*_required_</sup> | ```Integer``` |  Fax Created At Timestamp  |  |
+| `sender`<sup>*_required_</sup> | ```String``` |  Fax Sender Email  |  |
+| `transmissions`<sup>*_required_</sup> | [```Array<FaxResponseTransmission>```](FaxResponseTransmission.md) |  Fax Transmissions List  |  |
+| `files_url`<sup>*_required_</sup> | ```String``` |  Fax Files URL  |  |
+
diff --git a/sdks/ruby/docs/FaxResponseTransmission.md b/sdks/ruby/docs/FaxResponseTransmission.md
new file mode 100644
index 000000000..5ec394694
--- /dev/null
+++ b/sdks/ruby/docs/FaxResponseTransmission.md
@@ -0,0 +1,13 @@
+# Dropbox::Sign::FaxResponseTransmission
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `recipient`<sup>*_required_</sup> | ```String``` |  Fax Transmission Recipient  |  |
+| `sender`<sup>*_required_</sup> | ```String``` |  Fax Transmission Sender  |  |
+| `status_code`<sup>*_required_</sup> | ```String``` |  Fax Transmission Status Code  |  |
+| `sent_at` | ```Integer``` |  Fax Transmission Sent Timestamp  |  |
+
diff --git a/sdks/ruby/docs/FaxSendRequest.md b/sdks/ruby/docs/FaxSendRequest.md
new file mode 100644
index 000000000..6217af9f6
--- /dev/null
+++ b/sdks/ruby/docs/FaxSendRequest.md
@@ -0,0 +1,18 @@
+# Dropbox::Sign::FaxSendRequest
+
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+| ---- | ---- | ----------- | ----- |
+| `recipient`<sup>*_required_</sup> | ```String``` |  Fax Send To Recipient  |  |
+| `sender` | ```String``` |  Fax Send From Sender (used only with fax number)  |  |
+| `files` | ```Array<File>``` |  Fax File to Send  |  |
+| `file_urls` | ```Array<String>``` |  Fax File URL to Send  |  |
+| `test_mode` | ```Boolean``` |  API Test Mode Setting  |  [default to false] |
+| `cover_page_to` | ```String``` |  Fax Cover Page for Recipient  |  |
+| `cover_page_from` | ```String``` |  Fax Cover Page for Sender  |  |
+| `cover_page_message` | ```String``` |  Fax Cover Page Message  |  |
+| `title` | ```String``` |  Fax Title  |  |
+
diff --git a/sdks/ruby/lib/dropbox-sign.rb b/sdks/ruby/lib/dropbox-sign.rb
index 147b296a5..0921573f8 100644
--- a/sdks/ruby/lib/dropbox-sign.rb
+++ b/sdks/ruby/lib/dropbox-sign.rb
@@ -51,6 +51,7 @@
 require 'dropbox-sign/models/event_callback_request'
 require 'dropbox-sign/models/event_callback_request_event'
 require 'dropbox-sign/models/event_callback_request_event_metadata'
+require 'dropbox-sign/models/fax_get_response'
 require 'dropbox-sign/models/fax_line_add_user_request'
 require 'dropbox-sign/models/fax_line_area_code_get_country_enum'
 require 'dropbox-sign/models/fax_line_area_code_get_province_enum'
@@ -62,6 +63,10 @@
 require 'dropbox-sign/models/fax_line_remove_user_request'
 require 'dropbox-sign/models/fax_line_response'
 require 'dropbox-sign/models/fax_line_response_fax_line'
+require 'dropbox-sign/models/fax_list_response'
+require 'dropbox-sign/models/fax_response'
+require 'dropbox-sign/models/fax_response_transmission'
+require 'dropbox-sign/models/fax_send_request'
 require 'dropbox-sign/models/file_response'
 require 'dropbox-sign/models/file_response_data_uri'
 require 'dropbox-sign/models/list_info_response'
@@ -206,6 +211,7 @@
 require 'dropbox-sign/api/api_app_api'
 require 'dropbox-sign/api/bulk_send_job_api'
 require 'dropbox-sign/api/embedded_api'
+require 'dropbox-sign/api/fax_api'
 require 'dropbox-sign/api/fax_line_api'
 require 'dropbox-sign/api/o_auth_api'
 require 'dropbox-sign/api/report_api'
diff --git a/sdks/ruby/lib/dropbox-sign/api/fax_api.rb b/sdks/ruby/lib/dropbox-sign/api/fax_api.rb
new file mode 100644
index 000000000..17fca7916
--- /dev/null
+++ b/sdks/ruby/lib/dropbox-sign/api/fax_api.rb
@@ -0,0 +1,495 @@
+=begin
+#Dropbox Sign API
+
+#Dropbox Sign v3 API
+
+The version of the OpenAPI document: 3.0.0
+Contact: apisupport@hellosign.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'cgi'
+
+module Dropbox
+end
+
+module Dropbox::Sign
+  class FaxApi
+    attr_accessor :api_client
+
+    def initialize(api_client = ApiClient.default)
+      @api_client = api_client
+    end
+    # Delete Fax
+    # Deletes the specified Fax from the system.
+    # @param fax_id [String] Fax ID
+    # @param [Hash] opts the optional parameters
+    # @return [nil]
+    def fax_delete(fax_id, opts = {})
+      fax_delete_with_http_info(fax_id, opts)
+      nil
+    end
+
+    # Delete Fax
+    # Deletes the specified Fax from the system.
+    # @param fax_id [String] Fax ID
+    # @param [Hash] opts the optional parameters
+    # @return [Array<(nil, Integer, Hash)>] nil, response status code and response headers
+    def fax_delete_with_http_info(fax_id, opts = {})
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: FaxApi.fax_delete ...'
+      end
+      # verify the required parameter 'fax_id' is set
+      if @api_client.config.client_side_validation && fax_id.nil?
+        fail ArgumentError, "Missing the required parameter 'fax_id' when calling FaxApi.fax_delete"
+      end
+      # resource path
+      local_var_path = '/fax/{fax_id}'.sub('{' + 'fax_id' + '}', CGI.escape(fax_id.to_s))
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json']) unless header_params['Accept']
+
+      post_body = {}
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body]
+
+      # return_type
+      return_type = opts[:debug_return_type]
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || ['api_key']
+
+      new_options = opts.merge(
+        :operation => :"FaxApi.fax_delete",
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type
+      )
+
+      begin
+        data, status_code, headers = @api_client.call_api(:DELETE, local_var_path, new_options)
+      rescue Dropbox::Sign::ApiError => e
+      end
+
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: FaxApi#fax_delete\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
+    # List Fax Files
+    # Returns list of fax files
+    # @param fax_id [String] Fax ID
+    # @param [Hash] opts the optional parameters
+    # @return [File]
+    def fax_files(fax_id, opts = {})
+      data, _status_code, _headers = fax_files_with_http_info(fax_id, opts)
+      data
+    end
+
+    # List Fax Files
+    # Returns list of fax files
+    # @param fax_id [String] Fax ID
+    # @param [Hash] opts the optional parameters
+    # @return [Array<(File, Integer, Hash)>] File data, response status code and response headers
+    def fax_files_with_http_info(fax_id, opts = {})
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: FaxApi.fax_files ...'
+      end
+      # verify the required parameter 'fax_id' is set
+      if @api_client.config.client_side_validation && fax_id.nil?
+        fail ArgumentError, "Missing the required parameter 'fax_id' when calling FaxApi.fax_files"
+      end
+      # resource path
+      local_var_path = '/fax/files/{fax_id}'.sub('{' + 'fax_id' + '}', CGI.escape(fax_id.to_s))
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/pdf', 'application/json']) unless header_params['Accept']
+
+      post_body = {}
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body]
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'File'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || ['api_key']
+
+      new_options = opts.merge(
+        :operation => :"FaxApi.fax_files",
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type
+      )
+
+      begin
+        data, status_code, headers = @api_client.call_api(:GET, local_var_path, new_options)
+      rescue Dropbox::Sign::ApiError => e
+        if e.code === 200
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::File"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+        range_code = "4XX".split('').first
+        range_code_left = "#{range_code}00".to_i
+        range_code_right = "#{range_code}99".to_i
+        if e.code >= range_code_left && e.code <= range_code_right
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::ErrorResponse"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+      end
+
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: FaxApi#fax_files\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
+    # Get Fax
+    # Returns information about fax
+    # @param fax_id [String] Fax ID
+    # @param [Hash] opts the optional parameters
+    # @return [FaxGetResponse]
+    def fax_get(fax_id, opts = {})
+      data, _status_code, _headers = fax_get_with_http_info(fax_id, opts)
+      data
+    end
+
+    # Get Fax
+    # Returns information about fax
+    # @param fax_id [String] Fax ID
+    # @param [Hash] opts the optional parameters
+    # @return [Array<(FaxGetResponse, Integer, Hash)>] FaxGetResponse data, response status code and response headers
+    def fax_get_with_http_info(fax_id, opts = {})
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: FaxApi.fax_get ...'
+      end
+      # verify the required parameter 'fax_id' is set
+      if @api_client.config.client_side_validation && fax_id.nil?
+        fail ArgumentError, "Missing the required parameter 'fax_id' when calling FaxApi.fax_get"
+      end
+      # resource path
+      local_var_path = '/fax/{fax_id}'.sub('{' + 'fax_id' + '}', CGI.escape(fax_id.to_s))
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json']) unless header_params['Accept']
+
+      post_body = {}
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body]
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'FaxGetResponse'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || ['api_key']
+
+      new_options = opts.merge(
+        :operation => :"FaxApi.fax_get",
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type
+      )
+
+      begin
+        data, status_code, headers = @api_client.call_api(:GET, local_var_path, new_options)
+      rescue Dropbox::Sign::ApiError => e
+        if e.code === 200
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::FaxGetResponse"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+        range_code = "4XX".split('').first
+        range_code_left = "#{range_code}00".to_i
+        range_code_right = "#{range_code}99".to_i
+        if e.code >= range_code_left && e.code <= range_code_right
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::ErrorResponse"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+      end
+
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: FaxApi#fax_get\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
+    # Lists Faxes
+    # Returns properties of multiple faxes
+    # @param [Hash] opts the optional parameters
+    # @option opts [Integer] :page Page (default to 1)
+    # @option opts [Integer] :page_size Page size (default to 20)
+    # @return [FaxListResponse]
+    def fax_list(opts = {})
+      data, _status_code, _headers = fax_list_with_http_info(opts)
+      data
+    end
+
+    # Lists Faxes
+    # Returns properties of multiple faxes
+    # @param [Hash] opts the optional parameters
+    # @option opts [Integer] :page Page (default to 1)
+    # @option opts [Integer] :page_size Page size (default to 20)
+    # @return [Array<(FaxListResponse, Integer, Hash)>] FaxListResponse data, response status code and response headers
+    def fax_list_with_http_info(opts = {})
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: FaxApi.fax_list ...'
+      end
+      if @api_client.config.client_side_validation && !opts[:'page'].nil? && opts[:'page'] < 1
+        fail ArgumentError, 'invalid value for "opts[:"page"]" when calling FaxApi.fax_list, must be greater than or equal to 1.'
+      end
+
+      if @api_client.config.client_side_validation && !opts[:'page_size'].nil? && opts[:'page_size'] > 100
+        fail ArgumentError, 'invalid value for "opts[:"page_size"]" when calling FaxApi.fax_list, must be smaller than or equal to 100.'
+      end
+
+      if @api_client.config.client_side_validation && !opts[:'page_size'].nil? && opts[:'page_size'] < 1
+        fail ArgumentError, 'invalid value for "opts[:"page_size"]" when calling FaxApi.fax_list, must be greater than or equal to 1.'
+      end
+
+      # resource path
+      local_var_path = '/fax/list'
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+      query_params[:'page'] = opts[:'page'] if !opts[:'page'].nil?
+      query_params[:'page_size'] = opts[:'page_size'] if !opts[:'page_size'].nil?
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json']) unless header_params['Accept']
+
+      post_body = {}
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body]
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'FaxListResponse'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || ['api_key']
+
+      new_options = opts.merge(
+        :operation => :"FaxApi.fax_list",
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type
+      )
+
+      begin
+        data, status_code, headers = @api_client.call_api(:GET, local_var_path, new_options)
+      rescue Dropbox::Sign::ApiError => e
+        if e.code === 200
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::FaxListResponse"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+        range_code = "4XX".split('').first
+        range_code_left = "#{range_code}00".to_i
+        range_code_right = "#{range_code}99".to_i
+        if e.code >= range_code_left && e.code <= range_code_right
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::ErrorResponse"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+      end
+
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: FaxApi#fax_list\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
+    # Send Fax
+    # Action to prepare and send a fax
+    # @param fax_send_request [FaxSendRequest] 
+    # @param [Hash] opts the optional parameters
+    # @return [FaxGetResponse]
+    def fax_send(fax_send_request, opts = {})
+      data, _status_code, _headers = fax_send_with_http_info(fax_send_request, opts)
+      data
+    end
+
+    # Send Fax
+    # Action to prepare and send a fax
+    # @param fax_send_request [FaxSendRequest] 
+    # @param [Hash] opts the optional parameters
+    # @return [Array<(FaxGetResponse, Integer, Hash)>] FaxGetResponse data, response status code and response headers
+    def fax_send_with_http_info(fax_send_request, opts = {})
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: FaxApi.fax_send ...'
+      end
+      # verify the required parameter 'fax_send_request' is set
+      if @api_client.config.client_side_validation && fax_send_request.nil?
+        fail ArgumentError, "Missing the required parameter 'fax_send_request' when calling FaxApi.fax_send"
+      end
+      # resource path
+      local_var_path = '/fax/send'
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json']) unless header_params['Accept']
+      # HTTP header 'Content-Type'
+      content_type = @api_client.select_header_content_type(['application/json', 'multipart/form-data'])
+      if !content_type.nil?
+        header_params['Content-Type'] = content_type
+      end
+
+      post_body = {}
+      form_params = opts[:form_params] || {}
+      result = @api_client.generate_form_data(
+        fax_send_request,
+        Dropbox::Sign::FaxSendRequest.openapi_types
+      )
+
+      # form parameters
+      if result[:has_file]
+        form_params = opts[:form_params] || result[:params]
+        header_params['Content-Type'] = 'multipart/form-data'
+      else
+        # http body (model)
+        post_body = opts[:debug_body] || result[:params]
+      end
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'FaxGetResponse'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || ['api_key']
+
+      new_options = opts.merge(
+        :operation => :"FaxApi.fax_send",
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type
+      )
+
+      begin
+        data, status_code, headers = @api_client.call_api(:POST, local_var_path, new_options)
+      rescue Dropbox::Sign::ApiError => e
+        if e.code === 200
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::FaxGetResponse"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+        range_code = "4XX".split('').first
+        range_code_left = "#{range_code}00".to_i
+        range_code_right = "#{range_code}99".to_i
+        if e.code >= range_code_left && e.code <= range_code_right
+          body = @api_client.convert_to_type(
+            JSON.parse("[#{e.response_body}]", :symbolize_names => true)[0],
+            "Dropbox::Sign::ErrorResponse"
+          )
+
+          fail ApiError.new(:code => e.code,
+                            :response_headers => e.response_headers,
+                            :response_body => body),
+               e.message
+        end
+
+      end
+
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: FaxApi#fax_send\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+  end
+end
diff --git a/sdks/ruby/lib/dropbox-sign/models/fax_get_response.rb b/sdks/ruby/lib/dropbox-sign/models/fax_get_response.rb
new file mode 100644
index 000000000..a774af3b6
--- /dev/null
+++ b/sdks/ruby/lib/dropbox-sign/models/fax_get_response.rb
@@ -0,0 +1,263 @@
+=begin
+#Dropbox Sign API
+
+#Dropbox Sign v3 API
+
+The version of the OpenAPI document: 3.0.0
+Contact: apisupport@hellosign.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Dropbox
+end
+
+module Dropbox::Sign
+  class FaxGetResponse
+    # @return [FaxResponse]
+    attr_accessor :fax
+
+    # A list of warnings.
+    # @return [Array<WarningResponse>]
+    attr_accessor :warnings
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'fax' => :'fax',
+        :'warnings' => :'warnings'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'fax' => :'FaxResponse',
+        :'warnings' => :'Array<WarningResponse>'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Returns attribute map of this model + parent
+    def self.merged_attributes
+      self.attribute_map
+    end
+
+    # Attribute type mapping of this model + parent
+    def self.merged_types
+      self.openapi_types
+    end
+
+    # Returns list of attributes with nullable: true of this model + parent
+    def self.merged_nullable
+      self.openapi_nullable
+    end
+
+    # Attempt to instantiate and hydrate a new instance of this class
+    # @param [Object] data Data to be converted
+    # @return [FaxGetResponse]
+    def self.init(data)
+      ApiClient.default.convert_to_type(
+        data,
+        "FaxGetResponse"
+      ) || FaxGetResponse.new
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Dropbox::Sign::FaxGetResponse` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.merged_attributes.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Dropbox::Sign::FaxGetResponse`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'fax')
+        self.fax = attributes[:'fax']
+      end
+
+      if attributes.key?(:'warnings')
+        if (value = attributes[:'warnings']).is_a?(Array)
+          self.warnings = value
+        end
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      invalid_properties = Array.new
+      if @fax.nil?
+        invalid_properties.push('invalid value for "fax", fax cannot be nil.')
+      end
+
+      invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return false if @fax.nil?
+      true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          fax == o.fax &&
+          warnings == o.warnings
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [fax, warnings].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      new.build_from_hash(attributes)
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attribute_map = self.class.merged_attributes
+
+      self.class.merged_types.each_pair do |key, type|
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[attribute_map[key]].map { |v| _deserialize($1, v) })
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[attribute_map[key]]))
+        end
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :Boolean
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else # model
+        klass = Dropbox::Sign.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash(include_nil = true)
+      hash = {}
+      self.class.merged_attributes.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          next unless include_nil
+          is_nullable = self.class.merged_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value, include_nil)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value, include_nil = true)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v, include_nil) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v, include_nil) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash(include_nil)
+      else
+        value
+      end
+    end
+  end
+end
diff --git a/sdks/ruby/lib/dropbox-sign/models/fax_list_response.rb b/sdks/ruby/lib/dropbox-sign/models/fax_list_response.rb
new file mode 100644
index 000000000..a06e7fe82
--- /dev/null
+++ b/sdks/ruby/lib/dropbox-sign/models/fax_list_response.rb
@@ -0,0 +1,267 @@
+=begin
+#Dropbox Sign API
+
+#Dropbox Sign v3 API
+
+The version of the OpenAPI document: 3.0.0
+Contact: apisupport@hellosign.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Dropbox
+end
+
+module Dropbox::Sign
+  class FaxListResponse
+    # @return [Array<FaxResponse>]
+    attr_accessor :faxes
+
+    # @return [ListInfoResponse]
+    attr_accessor :list_info
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'faxes' => :'faxes',
+        :'list_info' => :'list_info'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'faxes' => :'Array<FaxResponse>',
+        :'list_info' => :'ListInfoResponse'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Returns attribute map of this model + parent
+    def self.merged_attributes
+      self.attribute_map
+    end
+
+    # Attribute type mapping of this model + parent
+    def self.merged_types
+      self.openapi_types
+    end
+
+    # Returns list of attributes with nullable: true of this model + parent
+    def self.merged_nullable
+      self.openapi_nullable
+    end
+
+    # Attempt to instantiate and hydrate a new instance of this class
+    # @param [Object] data Data to be converted
+    # @return [FaxListResponse]
+    def self.init(data)
+      ApiClient.default.convert_to_type(
+        data,
+        "FaxListResponse"
+      ) || FaxListResponse.new
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Dropbox::Sign::FaxListResponse` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.merged_attributes.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Dropbox::Sign::FaxListResponse`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'faxes')
+        if (value = attributes[:'faxes']).is_a?(Array)
+          self.faxes = value
+        end
+      end
+
+      if attributes.key?(:'list_info')
+        self.list_info = attributes[:'list_info']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      invalid_properties = Array.new
+      if @faxes.nil?
+        invalid_properties.push('invalid value for "faxes", faxes cannot be nil.')
+      end
+
+      if @list_info.nil?
+        invalid_properties.push('invalid value for "list_info", list_info cannot be nil.')
+      end
+
+      invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return false if @faxes.nil?
+      return false if @list_info.nil?
+      true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          faxes == o.faxes &&
+          list_info == o.list_info
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [faxes, list_info].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      new.build_from_hash(attributes)
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attribute_map = self.class.merged_attributes
+
+      self.class.merged_types.each_pair do |key, type|
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[attribute_map[key]].map { |v| _deserialize($1, v) })
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[attribute_map[key]]))
+        end
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :Boolean
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else # model
+        klass = Dropbox::Sign.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash(include_nil = true)
+      hash = {}
+      self.class.merged_attributes.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          next unless include_nil
+          is_nullable = self.class.merged_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value, include_nil)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value, include_nil = true)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v, include_nil) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v, include_nil) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash(include_nil)
+      else
+        value
+      end
+    end
+  end
+end
diff --git a/sdks/ruby/lib/dropbox-sign/models/fax_response.rb b/sdks/ruby/lib/dropbox-sign/models/fax_response.rb
new file mode 100644
index 000000000..a7c8847bf
--- /dev/null
+++ b/sdks/ruby/lib/dropbox-sign/models/fax_response.rb
@@ -0,0 +1,399 @@
+=begin
+#Dropbox Sign API
+
+#Dropbox Sign v3 API
+
+The version of the OpenAPI document: 3.0.0
+Contact: apisupport@hellosign.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Dropbox
+end
+
+module Dropbox::Sign
+  class FaxResponse
+    # Fax ID
+    # @return [String]
+    attr_accessor :fax_id
+
+    # Fax Title
+    # @return [String]
+    attr_accessor :title
+
+    # Fax Original Title
+    # @return [String]
+    attr_accessor :original_title
+
+    # Fax Subject
+    # @return [String]
+    attr_accessor :subject
+
+    # Fax Message
+    # @return [String]
+    attr_accessor :message
+
+    # Fax Metadata
+    # @return [Hash<String, Object>]
+    attr_accessor :metadata
+
+    # Fax Created At Timestamp
+    # @return [Integer]
+    attr_accessor :created_at
+
+    # Fax Sender Email
+    # @return [String]
+    attr_accessor :sender
+
+    # Fax Transmissions List
+    # @return [Array<FaxResponseTransmission>]
+    attr_accessor :transmissions
+
+    # Fax Files URL
+    # @return [String]
+    attr_accessor :files_url
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'fax_id' => :'fax_id',
+        :'title' => :'title',
+        :'original_title' => :'original_title',
+        :'subject' => :'subject',
+        :'message' => :'message',
+        :'metadata' => :'metadata',
+        :'created_at' => :'created_at',
+        :'sender' => :'sender',
+        :'transmissions' => :'transmissions',
+        :'files_url' => :'files_url'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'fax_id' => :'String',
+        :'title' => :'String',
+        :'original_title' => :'String',
+        :'subject' => :'String',
+        :'message' => :'String',
+        :'metadata' => :'Hash<String, Object>',
+        :'created_at' => :'Integer',
+        :'sender' => :'String',
+        :'transmissions' => :'Array<FaxResponseTransmission>',
+        :'files_url' => :'String'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Returns attribute map of this model + parent
+    def self.merged_attributes
+      self.attribute_map
+    end
+
+    # Attribute type mapping of this model + parent
+    def self.merged_types
+      self.openapi_types
+    end
+
+    # Returns list of attributes with nullable: true of this model + parent
+    def self.merged_nullable
+      self.openapi_nullable
+    end
+
+    # Attempt to instantiate and hydrate a new instance of this class
+    # @param [Object] data Data to be converted
+    # @return [FaxResponse]
+    def self.init(data)
+      ApiClient.default.convert_to_type(
+        data,
+        "FaxResponse"
+      ) || FaxResponse.new
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Dropbox::Sign::FaxResponse` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.merged_attributes.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Dropbox::Sign::FaxResponse`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'fax_id')
+        self.fax_id = attributes[:'fax_id']
+      end
+
+      if attributes.key?(:'title')
+        self.title = attributes[:'title']
+      end
+
+      if attributes.key?(:'original_title')
+        self.original_title = attributes[:'original_title']
+      end
+
+      if attributes.key?(:'subject')
+        self.subject = attributes[:'subject']
+      end
+
+      if attributes.key?(:'message')
+        self.message = attributes[:'message']
+      end
+
+      if attributes.key?(:'metadata')
+        if (value = attributes[:'metadata']).is_a?(Hash)
+          self.metadata = value
+        end
+      end
+
+      if attributes.key?(:'created_at')
+        self.created_at = attributes[:'created_at']
+      end
+
+      if attributes.key?(:'sender')
+        self.sender = attributes[:'sender']
+      end
+
+      if attributes.key?(:'transmissions')
+        if (value = attributes[:'transmissions']).is_a?(Array)
+          self.transmissions = value
+        end
+      end
+
+      if attributes.key?(:'files_url')
+        self.files_url = attributes[:'files_url']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      invalid_properties = Array.new
+      if @fax_id.nil?
+        invalid_properties.push('invalid value for "fax_id", fax_id cannot be nil.')
+      end
+
+      if @title.nil?
+        invalid_properties.push('invalid value for "title", title cannot be nil.')
+      end
+
+      if @original_title.nil?
+        invalid_properties.push('invalid value for "original_title", original_title cannot be nil.')
+      end
+
+      if @subject.nil?
+        invalid_properties.push('invalid value for "subject", subject cannot be nil.')
+      end
+
+      if @message.nil?
+        invalid_properties.push('invalid value for "message", message cannot be nil.')
+      end
+
+      if @metadata.nil?
+        invalid_properties.push('invalid value for "metadata", metadata cannot be nil.')
+      end
+
+      if @created_at.nil?
+        invalid_properties.push('invalid value for "created_at", created_at cannot be nil.')
+      end
+
+      if @sender.nil?
+        invalid_properties.push('invalid value for "sender", sender cannot be nil.')
+      end
+
+      if @transmissions.nil?
+        invalid_properties.push('invalid value for "transmissions", transmissions cannot be nil.')
+      end
+
+      if @files_url.nil?
+        invalid_properties.push('invalid value for "files_url", files_url cannot be nil.')
+      end
+
+      invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return false if @fax_id.nil?
+      return false if @title.nil?
+      return false if @original_title.nil?
+      return false if @subject.nil?
+      return false if @message.nil?
+      return false if @metadata.nil?
+      return false if @created_at.nil?
+      return false if @sender.nil?
+      return false if @transmissions.nil?
+      return false if @files_url.nil?
+      true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          fax_id == o.fax_id &&
+          title == o.title &&
+          original_title == o.original_title &&
+          subject == o.subject &&
+          message == o.message &&
+          metadata == o.metadata &&
+          created_at == o.created_at &&
+          sender == o.sender &&
+          transmissions == o.transmissions &&
+          files_url == o.files_url
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [fax_id, title, original_title, subject, message, metadata, created_at, sender, transmissions, files_url].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      new.build_from_hash(attributes)
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attribute_map = self.class.merged_attributes
+
+      self.class.merged_types.each_pair do |key, type|
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[attribute_map[key]].map { |v| _deserialize($1, v) })
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[attribute_map[key]]))
+        end
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :Boolean
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else # model
+        klass = Dropbox::Sign.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash(include_nil = true)
+      hash = {}
+      self.class.merged_attributes.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          next unless include_nil
+          is_nullable = self.class.merged_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value, include_nil)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value, include_nil = true)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v, include_nil) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v, include_nil) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash(include_nil)
+      else
+        value
+      end
+    end
+  end
+end
diff --git a/sdks/ruby/lib/dropbox-sign/models/fax_response_transmission.rb b/sdks/ruby/lib/dropbox-sign/models/fax_response_transmission.rb
new file mode 100644
index 000000000..a6c49bb3a
--- /dev/null
+++ b/sdks/ruby/lib/dropbox-sign/models/fax_response_transmission.rb
@@ -0,0 +1,328 @@
+=begin
+#Dropbox Sign API
+
+#Dropbox Sign v3 API
+
+The version of the OpenAPI document: 3.0.0
+Contact: apisupport@hellosign.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Dropbox
+end
+
+module Dropbox::Sign
+  class FaxResponseTransmission
+    # Fax Transmission Recipient
+    # @return [String]
+    attr_accessor :recipient
+
+    # Fax Transmission Sender
+    # @return [String]
+    attr_accessor :sender
+
+    # Fax Transmission Status Code
+    # @return [String]
+    attr_accessor :status_code
+
+    # Fax Transmission Sent Timestamp
+    # @return [Integer]
+    attr_accessor :sent_at
+
+    class EnumAttributeValidator
+      attr_reader :datatype
+      attr_reader :allowable_values
+
+      def initialize(datatype, allowable_values)
+        @allowable_values = allowable_values.map do |value|
+          case datatype.to_s
+          when /Integer/i
+            value.to_i
+          when /Float/i
+            value.to_f
+          else
+            value
+          end
+        end
+      end
+
+      def valid?(value)
+        !value || allowable_values.include?(value)
+      end
+    end
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'recipient' => :'recipient',
+        :'sender' => :'sender',
+        :'status_code' => :'status_code',
+        :'sent_at' => :'sent_at'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'recipient' => :'String',
+        :'sender' => :'String',
+        :'status_code' => :'String',
+        :'sent_at' => :'Integer'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Returns attribute map of this model + parent
+    def self.merged_attributes
+      self.attribute_map
+    end
+
+    # Attribute type mapping of this model + parent
+    def self.merged_types
+      self.openapi_types
+    end
+
+    # Returns list of attributes with nullable: true of this model + parent
+    def self.merged_nullable
+      self.openapi_nullable
+    end
+
+    # Attempt to instantiate and hydrate a new instance of this class
+    # @param [Object] data Data to be converted
+    # @return [FaxResponseTransmission]
+    def self.init(data)
+      ApiClient.default.convert_to_type(
+        data,
+        "FaxResponseTransmission"
+      ) || FaxResponseTransmission.new
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Dropbox::Sign::FaxResponseTransmission` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.merged_attributes.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Dropbox::Sign::FaxResponseTransmission`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'recipient')
+        self.recipient = attributes[:'recipient']
+      end
+
+      if attributes.key?(:'sender')
+        self.sender = attributes[:'sender']
+      end
+
+      if attributes.key?(:'status_code')
+        self.status_code = attributes[:'status_code']
+      end
+
+      if attributes.key?(:'sent_at')
+        self.sent_at = attributes[:'sent_at']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      invalid_properties = Array.new
+      if @recipient.nil?
+        invalid_properties.push('invalid value for "recipient", recipient cannot be nil.')
+      end
+
+      if @sender.nil?
+        invalid_properties.push('invalid value for "sender", sender cannot be nil.')
+      end
+
+      if @status_code.nil?
+        invalid_properties.push('invalid value for "status_code", status_code cannot be nil.')
+      end
+
+      invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return false if @recipient.nil?
+      return false if @sender.nil?
+      return false if @status_code.nil?
+      status_code_validator = EnumAttributeValidator.new('String', ["success", "transmitting", "error_could_not_fax", "error_unknown", "error_busy", "error_no_answer", "error_disconnected", "error_bad_destination"])
+      return false unless status_code_validator.valid?(@status_code)
+      true
+    end
+
+    # Custom attribute writer method checking allowed values (enum).
+    # @param [Object] status_code Object to be assigned
+    def status_code=(status_code)
+      validator = EnumAttributeValidator.new('String', ["success", "transmitting", "error_could_not_fax", "error_unknown", "error_busy", "error_no_answer", "error_disconnected", "error_bad_destination"])
+      unless validator.valid?(status_code)
+        fail ArgumentError, "invalid value for \"status_code\", must be one of #{validator.allowable_values}."
+      end
+      @status_code = status_code
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          recipient == o.recipient &&
+          sender == o.sender &&
+          status_code == o.status_code &&
+          sent_at == o.sent_at
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [recipient, sender, status_code, sent_at].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      new.build_from_hash(attributes)
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attribute_map = self.class.merged_attributes
+
+      self.class.merged_types.each_pair do |key, type|
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[attribute_map[key]].map { |v| _deserialize($1, v) })
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[attribute_map[key]]))
+        end
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :Boolean
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else # model
+        klass = Dropbox::Sign.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash(include_nil = true)
+      hash = {}
+      self.class.merged_attributes.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          next unless include_nil
+          is_nullable = self.class.merged_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value, include_nil)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value, include_nil = true)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v, include_nil) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v, include_nil) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash(include_nil)
+      else
+        value
+      end
+    end
+  end
+end
diff --git a/sdks/ruby/lib/dropbox-sign/models/fax_send_request.rb b/sdks/ruby/lib/dropbox-sign/models/fax_send_request.rb
new file mode 100644
index 000000000..18616cee1
--- /dev/null
+++ b/sdks/ruby/lib/dropbox-sign/models/fax_send_request.rb
@@ -0,0 +1,345 @@
+=begin
+#Dropbox Sign API
+
+#Dropbox Sign v3 API
+
+The version of the OpenAPI document: 3.0.0
+Contact: apisupport@hellosign.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Dropbox
+end
+
+module Dropbox::Sign
+  class FaxSendRequest
+    # Fax Send To Recipient
+    # @return [String]
+    attr_accessor :recipient
+
+    # Fax Send From Sender (used only with fax number)
+    # @return [String]
+    attr_accessor :sender
+
+    # Fax File to Send
+    # @return [Array<File>]
+    attr_accessor :files
+
+    # Fax File URL to Send
+    # @return [Array<String>]
+    attr_accessor :file_urls
+
+    # API Test Mode Setting
+    # @return [Boolean]
+    attr_accessor :test_mode
+
+    # Fax Cover Page for Recipient
+    # @return [String]
+    attr_accessor :cover_page_to
+
+    # Fax Cover Page for Sender
+    # @return [String]
+    attr_accessor :cover_page_from
+
+    # Fax Cover Page Message
+    # @return [String]
+    attr_accessor :cover_page_message
+
+    # Fax Title
+    # @return [String]
+    attr_accessor :title
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'recipient' => :'recipient',
+        :'sender' => :'sender',
+        :'files' => :'files',
+        :'file_urls' => :'file_urls',
+        :'test_mode' => :'test_mode',
+        :'cover_page_to' => :'cover_page_to',
+        :'cover_page_from' => :'cover_page_from',
+        :'cover_page_message' => :'cover_page_message',
+        :'title' => :'title'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'recipient' => :'String',
+        :'sender' => :'String',
+        :'files' => :'Array<File>',
+        :'file_urls' => :'Array<String>',
+        :'test_mode' => :'Boolean',
+        :'cover_page_to' => :'String',
+        :'cover_page_from' => :'String',
+        :'cover_page_message' => :'String',
+        :'title' => :'String'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Returns attribute map of this model + parent
+    def self.merged_attributes
+      self.attribute_map
+    end
+
+    # Attribute type mapping of this model + parent
+    def self.merged_types
+      self.openapi_types
+    end
+
+    # Returns list of attributes with nullable: true of this model + parent
+    def self.merged_nullable
+      self.openapi_nullable
+    end
+
+    # Attempt to instantiate and hydrate a new instance of this class
+    # @param [Object] data Data to be converted
+    # @return [FaxSendRequest]
+    def self.init(data)
+      ApiClient.default.convert_to_type(
+        data,
+        "FaxSendRequest"
+      ) || FaxSendRequest.new
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Dropbox::Sign::FaxSendRequest` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.merged_attributes.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Dropbox::Sign::FaxSendRequest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'recipient')
+        self.recipient = attributes[:'recipient']
+      end
+
+      if attributes.key?(:'sender')
+        self.sender = attributes[:'sender']
+      end
+
+      if attributes.key?(:'files')
+        if (value = attributes[:'files']).is_a?(Array)
+          self.files = value
+        end
+      end
+
+      if attributes.key?(:'file_urls')
+        if (value = attributes[:'file_urls']).is_a?(Array)
+          self.file_urls = value
+        end
+      end
+
+      if attributes.key?(:'test_mode')
+        self.test_mode = attributes[:'test_mode']
+      else
+        self.test_mode = false
+      end
+
+      if attributes.key?(:'cover_page_to')
+        self.cover_page_to = attributes[:'cover_page_to']
+      end
+
+      if attributes.key?(:'cover_page_from')
+        self.cover_page_from = attributes[:'cover_page_from']
+      end
+
+      if attributes.key?(:'cover_page_message')
+        self.cover_page_message = attributes[:'cover_page_message']
+      end
+
+      if attributes.key?(:'title')
+        self.title = attributes[:'title']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      invalid_properties = Array.new
+      if @recipient.nil?
+        invalid_properties.push('invalid value for "recipient", recipient cannot be nil.')
+      end
+
+      invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return false if @recipient.nil?
+      true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          recipient == o.recipient &&
+          sender == o.sender &&
+          files == o.files &&
+          file_urls == o.file_urls &&
+          test_mode == o.test_mode &&
+          cover_page_to == o.cover_page_to &&
+          cover_page_from == o.cover_page_from &&
+          cover_page_message == o.cover_page_message &&
+          title == o.title
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [recipient, sender, files, file_urls, test_mode, cover_page_to, cover_page_from, cover_page_message, title].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      new.build_from_hash(attributes)
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attribute_map = self.class.merged_attributes
+
+      self.class.merged_types.each_pair do |key, type|
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[attribute_map[key]].map { |v| _deserialize($1, v) })
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[attribute_map[key]]))
+        end
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :Boolean
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else # model
+        klass = Dropbox::Sign.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash(include_nil = true)
+      hash = {}
+      self.class.merged_attributes.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          next unless include_nil
+          is_nullable = self.class.merged_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value, include_nil)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value, include_nil = true)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v, include_nil) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v, include_nil) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash(include_nil)
+      else
+        value
+      end
+    end
+  end
+end
diff --git a/test_fixtures/FaxGetResponse.json b/test_fixtures/FaxGetResponse.json
new file mode 100644
index 000000000..589271954
--- /dev/null
+++ b/test_fixtures/FaxGetResponse.json
@@ -0,0 +1,23 @@
+{
+  "default": {
+    "fax": {
+      "fax_id": "c2e9691c85d9d6fa6ae773842e3680b2b8650f1d",
+      "title": "example title",
+      "original_title": "example original title",
+      "subject": "example subject",
+      "message": "example message",
+      "metadata": [],
+      "created_at": 1726774555,
+      "sender": "me@dropboxsign.com",
+      "transmissions": [
+        {
+          "recipient": "recipient@dropboxsign.com",
+          "sender": "me@dropboxsign.com",
+          "sent_at": 1723231831,
+          "status_code": "success"
+        }
+      ],
+      "files_url": "https://api.hellosign.com/v3/fax/files/2b388914e3ae3b738bd4e2ee2850c677e6dc53d2",
+    }
+  }
+}
diff --git a/test_fixtures/FaxListResponse.json b/test_fixtures/FaxListResponse.json
new file mode 100644
index 000000000..bfa69cdee
--- /dev/null
+++ b/test_fixtures/FaxListResponse.json
@@ -0,0 +1,31 @@
+{
+  "default": {
+    "list_info": {
+      "num_pages": 1,
+      "num_results": 1,
+      "page": 1,
+      "page_size": 1
+    },
+    "faxes": [
+      {
+        "fax_id": "c2e9691c85d9d6fa6ae773842e3680b2b8650f1d",
+        "title": "example title",
+        "original_title": "example original title",
+        "subject": "example subject",
+        "message": "example message",
+        "metadata": [],
+        "created_at": 1726774555,
+        "sender": "me@dropboxsign.com",
+        "transmissions": [
+          {
+            "recipient": "recipient@dropboxsign.com",
+            "sender": "me@dropboxsign.com",
+            "sent_at": 1723231831,
+            "status_code": "success"
+          }
+        ],
+        "files_url": "https://api.hellosign.com/v3/fax/files/2b388914e3ae3b738bd4e2ee2850c677e6dc53d2",
+      }
+    ]
+  }
+}
diff --git a/test_fixtures/FaxSendRequest.json b/test_fixtures/FaxSendRequest.json
new file mode 100644
index 000000000..4c418cbe4
--- /dev/null
+++ b/test_fixtures/FaxSendRequest.json
@@ -0,0 +1,14 @@
+{
+  "default": {
+    "file_url": [
+      "https://api.hellosign.com/v3/fax/files/2b388914e3ae3b738bd4e2ee2850c677e6dc53d2"
+    ],
+    "test_mode": "true",
+    "recipient": "16690000001",
+    "sender": "16690000000",
+    "cover_page_to": "Jill Fax",
+    "cover_page_message": "I'm sending you a fax!",
+    "cover_page_from": "Faxer Faxerson",
+    "title": "This is what the fax is about!"
+  }
+}
diff --git a/test_fixtures/FaxSendResponse.json b/test_fixtures/FaxSendResponse.json
new file mode 100644
index 000000000..b651c7836
--- /dev/null
+++ b/test_fixtures/FaxSendResponse.json
@@ -0,0 +1,16 @@
+{
+  "default": {
+    "fax": {
+      "fax_id": "c2e9691c85d9d6fa6ae773842e3680b2b8650f1d",
+      "title": "example title",
+      "original_title": "example original title",
+      "subject": "example subject",
+      "message": "example message",
+      "metadata": [ ],
+      "created_at": 1726774555,
+      "sender": "me@dropboxsign.com",
+      "transmissions": [],
+      "files_url": "https://api.hellosign.com/v3/fax/files/2b388914e3ae3b738bd4e2ee2850c677e6dc53d2"
+    }
+  }
+}
diff --git a/translations/en.yaml b/translations/en.yaml
index a2b4a367c..25716d9ee 100644
--- a/translations/en.yaml
+++ b/translations/en.yaml
@@ -130,6 +130,45 @@
 "EmbeddedSignUrl::DESCRIPTION": Retrieves an embedded object containing a signature url that can be opened in an iFrame. Note that templates created via the embedded template process will only be accessible through the API.
 "EmbeddedSignUrl::SIGNATURE_ID": The id of the signature to get a signature url for.
 
+"FaxGet::SUMMARY": Get Fax
+"FaxGet::DESCRIPTION": Returns information about fax
+"FaxParam::FAX_ID": Fax ID
+"FaxDelete::SUMMARY": Delete Fax
+"FaxDelete::DESCRIPTION": Deletes the specified Fax from the system.
+"FaxFiles::SUMMARY": List Fax Files
+"FaxFiles::DESCRIPTION": Returns list of fax files
+"FaxList::SUMMARY": Lists Faxes
+"FaxList::DESCRIPTION": Returns properties of multiple faxes
+"FaxList::PAGE": Page
+"FaxList::PAGE_SIZE": Page size
+"FaxSend::SUMMARY": Send Fax
+"FaxSend::DESCRIPTION": Action to prepare and send a fax
+"FaxSend::RECIPIENT": Fax Send To Recipient
+"FaxSend::SENDER": Fax Send From Sender (used only with fax number)
+"FaxSend::FILE": Fax File to Send
+"FaxSend::FILE_URL": Fax File URL to Send
+"FaxSend::FILE_URL_NAMES": Fax File URL Names
+"FaxSend::TEST_MODE": API Test Mode Setting
+"FaxSend::COVER_PAGE_TO": Fax Cover Page for Recipient
+"FaxSend::COVER_PAGE_FROM": Fax Cover Page for Sender
+"FaxSend::COVER_PAGE_MESSAGE": Fax Cover Page Message
+"FaxSend::TITLE": Fax Title
+"FaxGetResponseExample::SUMMARY": Fax Response
+"FaxResponse::FAX_ID": Fax ID
+"FaxResponse::TITLE": Fax Title
+"FaxResponse::ORIGINAL_TITLE": Fax Original Title
+"FaxResponse::SUBJECT": Fax Subject
+"FaxResponse::MESSAGE": Fax Message
+"FaxResponse::METADATA": Fax Metadata
+"FaxResponse::CREATED_AT": Fax Created At Timestamp
+"FaxResponse::SENDER": Fax Sender Email
+"FaxResponse::TRANSMISSIONS": Fax Transmissions List
+"FaxResponse::FILES_URL": Fax Files URL
+"Sub::FaxResponseTransmission::RECIPIENT": Fax Transmission Recipient
+"Sub::FaxResponseTransmission::SENDER": Fax Transmission Sender
+"Sub::FaxResponseTransmission::STATUS_CODE": Fax Transmission Status Code
+"Sub::FaxResponseTransmission::SENT_AT": Fax Transmission Sent Timestamp
+"FaxListResponseExample::SUMMARY": Returns the properties and settings of multiple Faxes.
 "FaxLineAddUser::SUMMARY": Add Fax Line User
 "FaxLineAddUser::DESCRIPTION": Grants a user access to the specified Fax Line.
 "FaxLineAddUser::NUMBER": The Fax Line number.
@@ -1661,6 +1700,16 @@
 "EmbeddedEditUrl::SEO::DESCRIPTION": "The Dropbox Sign API allows you to build custom integrations. To find out how to retrieve an embedded iFrame object containing a template url, click here."
 "EmbeddedSignUrl::SEO::TITLE": "Get Embedded Sign URL | iFrame | Dropbox Sign for Developers"
 "EmbeddedSignUrl::SEO::DESCRIPTION": "The Dropbox Sign API allows you to build custom integrations. To find out how to retrieve an embedded iFrame object containing a signature url, click here."
+"FaxGet::SEO::TITLE": "Get Fax | API Documentation | Dropbox Fax for Developers"
+"FaxGet::SEO::DESCRIPTION": "The Dropbox Fax API allows you to build custom integrations. To find out how to retrieve a fax, click here."
+"FaxDelete::SEO::TITLE": "Delete Fax | API Documentation | Dropbox Fax for Developers"
+"FaxDelete::SEO::DESCRIPTION": "The Dropbox Fax API allows you to build custom integrations. To find out how to delete a fax, click here."
+"FaxFiles::SEO::TITLE": "Fax Files | API Documentation | Dropbox Fax for Developers"
+"FaxFiles::SEO::DESCRIPTION": "The Dropbox Fax API allows you to build custom integrations. To find out how to list fax files, click here."
+"FaxList::SEO::TITLE": "List Faxes | API Documentation | Dropbox Fax for Developers"
+"FaxList::SEO::DESCRIPTION": "The Dropbox Fax API allows you to build custom integrations. To find out how to list your faxes, click here."
+"FaxSend::SEO::TITLE": "Send Fax| API Documentation | Dropbox Fax for Developers"
+"FaxSend::SEO::DESCRIPTION": "The Dropbox Fax API allows you to build custom integrations. To find out how to send a fax, click here."
 "FaxLineAddUser::SEO::TITLE": "Fax Line Add User | API Documentation | Dropbox Fax for Developers"
 "FaxLineAddUser::SEO::DESCRIPTION": "The Dropbox Fax API allows you to build custom integrations. To find out how to add a user to an existing fax line, click here."
 "FaxLineAreaCodeGet::SEO::TITLE": "Fax Line Get Area Codes | API Documentation | Dropbox Fax for Developers"