diff --git a/Rakefile b/Rakefile
index bbe7b3e3..7f869fa4 100644
--- a/Rakefile
+++ b/Rakefile
@@ -11,6 +11,7 @@ Rake::TestTask.new(:test) do |t|
   t.libs << "test"
   t.libs << "lib"
   t.test_files = FileList[
+    'test/square/integration/catalog/test_client.rb',
     'test/square_legacy/api/test_*.rb'
   ]
   t.warning = false
diff --git a/lib/square/catalog/client.rb b/lib/square/catalog/client.rb
index 0c476a19..66db48ab 100644
--- a/lib/square/catalog/client.rb
+++ b/lib/square/catalog/client.rb
@@ -67,8 +67,13 @@ def batch_get(request_options: {}, **params)
       #
       # @return [Square::Types::BatchUpsertCatalogObjectsResponse]
       def batch_upsert(request_options: {}, **params)
-        _request = params
-        _response = @client.send(_request)
+        _response = @client.send(Internal::JSON::Request.new(
+          base_url: Square::Environment::SANDBOX,
+          path: "/v2/catalog/batch-upsert",
+          method: "POST",
+          body: Types::BatchUpsertCatalogObjectsRequest.new(params[:request]).to_h,
+          request_options: request_options
+        ))
         if _response.code >= "200" && _response.code < "300"
           return Square::Types::BatchUpsertCatalogObjectsResponse.load(_response.body)
         else
diff --git a/test/square/integration/catalog/test_client.rb b/test/square/integration/catalog/test_client.rb
index 61a7c01c..7b14d644 100644
--- a/test/square/integration/catalog/test_client.rb
+++ b/test/square/integration/catalog/test_client.rb
@@ -5,73 +5,76 @@
 describe Square::Catalog::Client do
   describe "#batch_upsert" do
     it "creates multiple catalog objects" do
-      skip "Skipping for now."
 
-      response = client.catalog.batch_upsert(
-        request: {
-          idempotency_key: SecureRandom.uuid,
-          batches: [
-            {
-              objects: [
-                {
-                  type: "ITEM",
-                  id: "##{SecureRandom.uuid}",
-                  present_at_all_locations: true,
-                  item_data: {
-                    name: "Coffee",
-                    description: "Strong coffee",
-                    abbreviation: "C",
-                    variations: [
-                      {
-                        type: "ITEM_VARIATION",
-                        id: "##{SecureRandom.uuid}",
-                        present_at_all_locations: true,
-                        item_variation_data: {
-                          name: "Kona Coffee",
-                          track_inventory: false,
-                          pricing_type: "FIXED_PRICING",
-                          price_money: {
-                            amount: 1000,
-                            currency: "USD"
-                          }
+      _request = Square::Catalog::Types::BatchUpsertCatalogObjectsRequest.new(
+        idempotency_key: SecureRandom.uuid,
+        batches: [
+          {
+            objects: [
+              {
+                type: "ITEM",
+                id: "##{SecureRandom.uuid}",
+                present_at_all_locations: true,
+                item_data: {
+                  name: "Coffee",
+                  description: "Strong coffee",
+                  abbreviation: "C",
+                  variations: [
+                    {
+                      type: "ITEM_VARIATION",
+                      id: "##{SecureRandom.uuid}",
+                      present_at_all_locations: true,
+                      item_variation_data: {
+                        name: "Kona Coffee",
+                        track_inventory: false,
+                        pricing_type: "FIXED_PRICING",
+                        price_money: {
+                          amount: 1000,
+                          currency: "USD"
                         }
                       }
-                    ]
-                  }
-                },
-                {
-                  type: "ITEM",
-                  id: "##{SecureRandom.uuid}",
-                  present_at_all_locations: true,
-                  item_data: {
-                    name: "Tea",
-                    description: "Strong tea",
-                    abbreviation: "T",
-                    variations: [
-                      {
-                        type: "ITEM_VARIATION",
-                        id: "##{SecureRandom.uuid}",
-                        present_at_all_locations: true,
-                        item_variation_data: {
-                          name: "Gunpowder Green",
-                          track_inventory: false,
-                          pricing_type: "FIXED_PRICING",
-                          price_money: {
-                            amount: 2000,
-                            currency: "USD"
-                          }
+                    }
+                  ]
+                }
+              },
+              {
+                type: "ITEM",
+                id: "##{SecureRandom.uuid}",
+                present_at_all_locations: true,
+                item_data: {
+                  name: "Tea",
+                  description: "Strong tea",
+                  abbreviation: "T",
+                  variations: [
+                    {
+                      type: "ITEM_VARIATION",
+                      id: "##{SecureRandom.uuid}",
+                      present_at_all_locations: true,
+                      item_variation_data: {
+                        name: "Gunpowder Green",
+                        track_inventory: false,
+                        pricing_type: "FIXED_PRICING",
+                        price_money: {
+                          amount: 2000,
+                          currency: "USD"
                         }
                       }
-                    ]
-                  }
+                    }
+                  ]
                 }
-              ]
-            }
-          ]
-        }
+              }
+            ]
+          }
+        ]
       )
 
+      puts "request #{_request.to_h}" if verbose?
+
+      response = client.catalog.batch_upsert(request: _request.to_h)
       refute_nil response
+
+      puts "response #{response.to_h}" if verbose?
+
     end
   end
 end
diff --git a/test/square/integration/inventory/test_inventory_client.rb b/test/square/integration/inventory/test_inventory_client.rb
new file mode 100644
index 00000000..1e64c2e7
--- /dev/null
+++ b/test/square/integration/inventory/test_inventory_client.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require_relative "../../test_helper"
+
+describe Square::Inventory::Client do
+  describe "#batch_get_changes" do
+    it "gets inventory changes" do
+
+      response = client.inventory.batch_get_changes(
+        request: {
+          catalog_object_ids: ["W62UWFY35CWMYGVWK6TWJDNI"],
+          location_ids: ["C6W5YS5QM06F5"]
+        }
+      )
+
+      refute_nil response
+    end
+  end
+end
diff --git a/test/square/test_helper.rb b/test/square/test_helper.rb
index 958ef9f0..9cde6344 100644
--- a/test/square/test_helper.rb
+++ b/test/square/test_helper.rb
@@ -8,10 +8,26 @@ def test_token
 
 def client
   @client ||= Square::Client.new(
-    token: test_token
+    token: test_token,
+    base_url: Square::Environment::SANDBOX
   )
 end
 
+def verbose_mode?
+  @verbose_mode ||= ENV.fetch("VERBOSE", "false") == "true"
+end
+
+def minitest_verbose?
+  return false unless defined?(Minitest)
+  
+  # Check TESTOPTS environment variable for --verbose flag
+  ENV['TESTOPTS']&.include?('--verbose') || ARGV.include?('--verbose')
+end
+
+def verbose?
+  verbose_mode? || minitest_verbose?
+end
+
 require "minitest/autorun"
 require "minitest/rg"