diff --git a/Adyen/client.py b/Adyen/client.py
index 5d4146e6..2ad6a66f 100644
--- a/Adyen/client.py
+++ b/Adyen/client.py
@@ -72,6 +72,7 @@ def __init__(
             username=None,
             password=None,
             xapikey=None,
+            application_name=None,
             review_payout_username=None,
             review_payout_password=None,
             store_payout_username=None, store_payout_password=None,
@@ -100,6 +101,7 @@ def __init__(
         self.username = username
         self.password = password
         self.xapikey = xapikey
+        self.application_name = application_name
         self.review_payout_username = review_payout_username
         self.review_payout_password = review_payout_password
         self.store_payout_username = store_payout_username
@@ -349,7 +351,8 @@ def call_adyen_api(
 
         headers = {
             self.APPLICATION_INFO_HEADER_NAME: settings.LIB_NAME,
-            self.APPLICATION_VERSION_HEADER_NAME: settings.LIB_VERSION
+            self.APPLICATION_VERSION_HEADER_NAME: settings.LIB_VERSION,
+            'User-Agent': self.http_client.user_agent,
         }
 
         # Adyen requires this header to be set and uses the combination of
@@ -388,8 +391,11 @@ def call_adyen_api(
         return adyen_result
 
     def _init_http_client(self):
+        user_agent_suffix = self.USER_AGENT_SUFFIX
+        if self.application_name:
+            user_agent_suffix = self.application_name + " " + user_agent_suffix
         self.http_client = HTTPClient(
-            user_agent_suffix=self.USER_AGENT_SUFFIX,
+            user_agent_suffix=user_agent_suffix,
             lib_version=self.LIB_VERSION,
             force_request=self.http_force,
             timeout=self.http_timeout,
diff --git a/README.md b/README.md
index 9fb2ad5d..aee78aae 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,8 @@ adyen = Adyen.Adyen()
 # Configure the client
 adyen.client.xapikey = "YourXapikey"
 adyen.client.platform = "test"  # change to "live" for production
+adyen.client.application_name = "MyTestApp" # if applicable, set application name (for tracking purposes)
+
 
 # Prepare the request
 request = {
@@ -109,6 +111,7 @@ from Adyen.services import AdyenCheckoutApi
 adyen_client = AdyenClient()
 adyen_client.xapikey = "YourXapikey"
 adyen_client.platform = "test"
+adyen_client.application_name = "MyTestApp" # if applicable, set application name (for tracking purposes)
 
 # Instantiate the AdyenCheckoutApi service
 checkout_service = AdyenCheckoutApi(client=adyen_client)
@@ -125,6 +128,7 @@ Similarly you can instantiate a separate client for services that required diffe
 adyen_lem_client = AdyenClient()
 adyen_lem_client.xapikey = "YourLEMXapikey"
 adyen_lem_client.platform = "test"
+adyen_lem_client.application_name = "MyTestApp" # if applicable, set application name (for tracking purposes)
 ~~~~
 
 #### Force HTTP library
diff --git a/test/BalancePlatformTest.py b/test/BalancePlatformTest.py
index 656bbd39..5034f277 100644
--- a/test/BalancePlatformTest.py
+++ b/test/BalancePlatformTest.py
@@ -31,7 +31,7 @@ def test_creating_balance_account(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.balance_platform_url}/balanceAccounts',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -49,7 +49,7 @@ def test_creating_account_holder(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.balance_platform_url}/accountHolders',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -63,7 +63,7 @@ def test_get_balance_platform(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'GET',
             f'{self.balance_platform_url}/balancePlatforms/{platform_id}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
@@ -82,7 +82,7 @@ def test_creating_payment_instrument(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.balance_platform_url}/paymentInstruments',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -113,7 +113,7 @@ def test_creating_transfer_limit(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.balance_platform_url}/balancePlatforms/{balance_platform_id}/transferLimits',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -147,7 +147,7 @@ def test_creating_webhook(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.balance_platform_url}/balancePlatforms/{balance_platform_id}/webhooks/{webhook_id}/settings',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -164,7 +164,7 @@ def test_creating_payment_instrument_group(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.balance_platform_url}/paymentInstrumentGroups',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -179,7 +179,7 @@ def test_get_transaction_rule(self):
             'GET',
             f'{self.balance_platform_url}/'
             f'transactionRules/{transactionRuleId}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
@@ -198,7 +198,7 @@ def test_update_network_token(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'PATCH',
             f'{self.balance_platform_url}/networkTokens/TK123ABC',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
diff --git a/test/BaseTest.py b/test/BaseTest.py
index c910acb2..69495fa3 100644
--- a/test/BaseTest.py
+++ b/test/BaseTest.py
@@ -22,7 +22,10 @@ def create_client_from_file(self, status, request, filename=None):
             st = ""
             strjson = ""
 
-        self.ady.client.http_client = httpclient.HTTPClient
+        # Ensure the actual http_client instance is initialized
+        if not self.ady.client.http_init:
+            self.ady.client._init_http_client()
+
         self.ady.client.http_init = True
         self.ady.client.http_client.request = mock.MagicMock(
             return_value=[strjson, request, status, data])
diff --git a/test/BinLookupTest.py b/test/BinLookupTest.py
index e319f9b5..119e40e0 100644
--- a/test/BinLookupTest.py
+++ b/test/BinLookupTest.py
@@ -55,7 +55,7 @@ def test_get_cost_estimate_success(self):
             'POST',
             'https://pal-test.adyen.com/pal/servlet/'
             f'BinLookup/{self.binLookup_version}/getCostEstimate',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 'merchantAccount': 'YourMerchantAccount',
                 'amount': '1000',
diff --git a/test/CheckoutTest.py b/test/CheckoutTest.py
index 3b638822..0c2b1f9b 100644
--- a/test/CheckoutTest.py
+++ b/test/CheckoutTest.py
@@ -96,7 +96,7 @@ def test_payments_error_mocked(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.baseUrl}/payments',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 'returnUrl': 'https://your-company.com/...',
                 'reference': '54431',
@@ -134,7 +134,7 @@ def test_payments_details_success_mocked(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.baseUrl}/payments/details',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 'paymentData': 'Hee57361f99....',
                 'details': {'MD': 'sdfsdfsdf...', 'PaRes': 'sdkfhskdjfsdf...'}
@@ -323,7 +323,7 @@ def test_payments_capture_success_mocked(self):
             f'{self.baseUrl}/payments/{psp_reference}/captures',
             json=request,
             xapikey='YourXapikey',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
         )
         self.assertEqual(psp_reference, result.message["paymentPspReference"])
         self.assertIsNotNone(result.message["pspReference"])
@@ -365,7 +365,7 @@ def test_orders_success(self):
             f'{self.baseUrl}/orders',
             json=request,
             xapikey='YourXapikey',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
 
         )
         self.assertEqual("8515930288670953", result.message['pspReference'])
@@ -387,7 +387,7 @@ def test_orders_cancel_success(self):
             f'{self.baseUrl}/orders/cancel',
             json=request,
             xapikey='YourXapikey',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
         )
         self.assertEqual("8515931182066678", result.message['pspReference'])
         self.assertEqual("Received", result.message['resultCode'])
@@ -406,7 +406,7 @@ def test_paymentmethods_balance_success(self):
             f'{self.baseUrl}/paymentMethods/balance',
             json=request,
             xapikey='YourXapikey',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
         )
         self.assertEqual("851611111111713K", result.message['pspReference'])
         self.assertEqual("Success", result.message['resultCode'])
@@ -442,7 +442,7 @@ def test_sessions_error(self):
             f'{self.baseUrl}/sessions',
             json={'merchantAccount': 'YourMerchantAccount'},
             xapikey='YourXapikey',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
         )
         self.assertEqual(422, result.message['status'])
         self.assertEqual("130", result.message['errorCode'])
@@ -487,7 +487,7 @@ def test_payment_link(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.baseUrl}/paymentLinks',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             xapikey='YourXapikey',
             json=request
         )
@@ -504,7 +504,7 @@ def test_get_payment_link(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'GET',
             f'{self.baseUrl}/paymentLinks/{id}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             xapikey="YourXapikey",
             json=None
         )
@@ -523,7 +523,7 @@ def test_update_payment_link(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'PATCH',
             f'{self.baseUrl}/paymentLinks/{id}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             xapikey="YourXapikey",
             json=request
         )
diff --git a/test/DataProtectionTest.py b/test/DataProtectionTest.py
index 16012ed2..395a77a8 100644
--- a/test/DataProtectionTest.py
+++ b/test/DataProtectionTest.py
@@ -31,7 +31,7 @@ def test_data_erasure(self):
             'POST',
             f'{self.data_protection_url}'
             '/requestSubjectErasure',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             xapikey="YourXapikey",
             json=request
         )
diff --git a/test/DisputesTest.py b/test/DisputesTest.py
index 3a3f3557..9cb29350 100644
--- a/test/DisputesTest.py
+++ b/test/DisputesTest.py
@@ -30,7 +30,7 @@ def test_accept_dispute(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.disputes_url}/acceptDispute',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -49,7 +49,7 @@ def test_defend_dispute(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.disputes_url}/defendDispute',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -68,7 +68,7 @@ def test_delete_defense_dispute_document(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.disputes_url}/deleteDisputeDefenseDocument',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )        
@@ -86,7 +86,7 @@ def test_download_dispute_defense_document(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.disputes_url}/deleteDisputeDefenseDocument',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )        
@@ -104,7 +104,7 @@ def test_retrieve_applicable_defense_reasons(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.disputes_url}/retrieveApplicableDefenseReasons',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )       
@@ -129,7 +129,7 @@ def test_supply_defense_document(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.disputes_url}/supplyDefenseDocument',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )        
\ No newline at end of file
diff --git a/test/HttpClientTest.py b/test/HttpClientTest.py
new file mode 100644
index 00000000..7173597e
--- /dev/null
+++ b/test/HttpClientTest.py
@@ -0,0 +1,61 @@
+import unittest
+import Adyen
+from Adyen import settings
+
+try:
+    from BaseTest import BaseTest
+except ImportError:
+    from .BaseTest import BaseTest
+
+
+class TestHttpClient(unittest.TestCase):
+    def setUp(self):
+        self.adyen = Adyen.Adyen()
+        self.client = self.adyen.client
+        self.client.xapikey = "TEST_XAPI_KEY"
+        self.test = BaseTest(self.adyen)
+
+    def test_user_agent_without_application_name(self):
+        # Mock the http_client.request method
+        self.test.create_client_from_file(200, {}, "test/mocks/checkout/paymentmethods-success.json")
+
+        # Call a dummy API method
+        _ = self.adyen.checkout.payments_api.payment_methods({})
+
+        # Assert that http_client.request was called with the correct headers
+        self.client.http_client.request.assert_called_once_with(
+            'POST',
+            f'{self.adyen.checkout.payments_api.baseUrl}/paymentMethods',
+            headers={
+                'adyen-library-name': settings.LIB_NAME,
+                'adyen-library-version': settings.LIB_VERSION,
+                'User-Agent': settings.LIB_NAME + "/" + settings.LIB_VERSION
+            },
+            json={},
+            xapikey='TEST_XAPI_KEY'
+        )
+
+    def test_user_agent_with_application_name(self):
+        self.client.application_name = "MyTestApp"
+
+        # Mock the http_client.request method
+        self.test.create_client_from_file(200, {}, "test/mocks/checkout/paymentmethods-success.json")
+
+        # Call a dummy API method
+        _ = self.adyen.checkout.payments_api.payment_methods({})
+
+        # Assert that http_client.request was called with the correct headers
+        self.client.http_client.request.assert_called_once_with(
+            'POST',
+            f'{self.adyen.checkout.payments_api.baseUrl}/paymentMethods',
+            headers={
+                'adyen-library-name': settings.LIB_NAME,
+                'adyen-library-version': settings.LIB_VERSION,
+                'User-Agent': "MyTestApp " + settings.LIB_NAME + "/" + settings.LIB_VERSION
+            },
+            json={},
+            xapikey='TEST_XAPI_KEY'
+        )
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/test/LegalEntityManagementTest.py b/test/LegalEntityManagementTest.py
index 64ddb330..527063f0 100644
--- a/test/LegalEntityManagementTest.py
+++ b/test/LegalEntityManagementTest.py
@@ -45,7 +45,7 @@ def test_creating_legal_entity(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.lem_url}/legalEntities',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -59,7 +59,7 @@ def test_get_transfer_instrument(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'GET',
             f'{self.lem_url}/transferInstruments/{instrumentId}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
@@ -81,7 +81,7 @@ def test_update_business_line(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'PATCH',
             f'{self.lem_url}/businessLines/{businessLineId}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -99,7 +99,7 @@ def test_accept_terms_of_service(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'PATCH',
             f'{self.lem_url}/legalEntities/{legalEntityId}/termsOfService/{documentId}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
diff --git a/test/ManagementTest.py b/test/ManagementTest.py
index 7e34681c..a88ae89c 100644
--- a/test/ManagementTest.py
+++ b/test/ManagementTest.py
@@ -32,7 +32,7 @@ def test_get_company_account(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'GET',
             f'{self.management_url}/companies/{company_id}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
@@ -61,7 +61,7 @@ def test_no_content(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'DELETE',
             f'{self.management_url}/me/allowedOrigins/{origin_id}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
@@ -88,7 +88,7 @@ def test_update_store(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'PATCH',
             f'{self.management_url}/merchants/{merchant_id}/stores/{store_id}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -139,7 +139,7 @@ def test_create_a_user(self):
             'POST',
             f'{self.management_url}/companies/{company_id}/users',
             json=request,
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             xapikey="YourXapikey"
         )
 
@@ -176,7 +176,7 @@ def test_query_parameters(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'GET',
             f'{self.management_url}/companies/{company_id}/merchants?pageNumber=1&pageSize=10',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
diff --git a/test/RecurringTest.py b/test/RecurringTest.py
index 755ea306..43d3a3a0 100644
--- a/test/RecurringTest.py
+++ b/test/RecurringTest.py
@@ -34,7 +34,7 @@ def test_list_recurring_details(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.baseUrl}/listRecurringDetails',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword'
@@ -61,7 +61,7 @@ def test_disable(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.baseUrl}/disable',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword',
diff --git a/test/SessionAuthenticationTest.py b/test/SessionAuthenticationTest.py
index 8f59b0f0..fab107df 100644
--- a/test/SessionAuthenticationTest.py
+++ b/test/SessionAuthenticationTest.py
@@ -43,7 +43,7 @@ def test_create_session_token(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.session_url}/sessions',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
diff --git a/test/StoredValueTest.py b/test/StoredValueTest.py
index 3cda5d7a..848901f8 100644
--- a/test/StoredValueTest.py
+++ b/test/StoredValueTest.py
@@ -35,7 +35,7 @@ def issue(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.stored_value_url}/issue',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -63,7 +63,7 @@ def test_activate_giftcard(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.stored_value_url}/changeStatus',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -90,7 +90,7 @@ def test_load_funds(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.stored_value_url}/load',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -112,7 +112,7 @@ def test_check_balance(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.stored_value_url}/checkBalance',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -138,7 +138,7 @@ def test_merge_balance(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.stored_value_url}/mergeBalance',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -155,7 +155,7 @@ def test_void_transaction(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.stored_value_url}/voidTransaction',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
diff --git a/test/TerminalTest.py b/test/TerminalTest.py
index dc711f43..694f6208 100644
--- a/test/TerminalTest.py
+++ b/test/TerminalTest.py
@@ -35,7 +35,7 @@ def test_assign_terminals(self):
         self.client.http_client.request.assert_called_once_with(
             "POST",
             f"{self.terminal_url}/assignTerminals",
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 "companyAccount": "YOUR_COMPANY_ACCOUNT",
                 "merchantAccount": "YOUR_MERCHANT_ACCOUNT",
@@ -79,7 +79,7 @@ def test_find_terminal(self):
         self.client.http_client.request.assert_called_once_with(
             "POST",
             f"{self.terminal_url}/findTerminal",
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 "terminal": "P400Plus-275479597",
                 "merchantAccount": "YOUR_MERCHANT_ACCOUNT",
@@ -127,7 +127,7 @@ def test_get_stores_under_account(self):
         self.client.http_client.request.assert_called_once_with(
             "POST",
             f"{self.terminal_url}/getStoresUnderAccount",
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                "companyAccount": "YOUR_COMPANY_ACCOUNT",
                 "merchantAccount": "YOUR_MERCHANT_ACCOUNT",
@@ -152,7 +152,7 @@ def test_get_terminal_details(self):
         self.client.http_client.request.assert_called_once_with(
             "POST",
             f"{self.terminal_url}/getTerminalDetails",
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 "terminal": "P400Plus-275479597",
                 "merchantAccount": "YOUR_MERCHANT_ACCOUNT",
@@ -204,7 +204,7 @@ def test_get_terminals_under_account(self):
         self.client.http_client.request.assert_called_once_with(
             "POST",
             f"{self.terminal_url}/getTerminalsUnderAccount",
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 "companyAccount": "YOUR_COMPANY_ACCOUNT",
                 "merchantAccount": "YOUR_MERCHANT_ACCOUNT",
@@ -241,7 +241,7 @@ def test_get_terminals_under_account_store(self):
         self.client.http_client.request.assert_called_once_with(
             "POST",
             f"{self.terminal_url}/getTerminalsUnderAccount",
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json={
                 "companyAccount": "YOUR_COMPANY_ACCOUNT",
                 "merchantAccount": "YOUR_MERCHANT_ACCOUNT",
diff --git a/test/ThirdPartyPayoutTest.py b/test/ThirdPartyPayoutTest.py
index 7b95da3f..cc2cbd1d 100644
--- a/test/ThirdPartyPayoutTest.py
+++ b/test/ThirdPartyPayoutTest.py
@@ -32,7 +32,7 @@ def test_confirm_success(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.payout_url}/confirmThirdParty',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword',
@@ -66,7 +66,7 @@ def test_decline_success(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.payout_url}/declineThirdParty',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword',
@@ -113,7 +113,7 @@ def test_store_detail_bank_success(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.payout_url}/storeDetail',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword'
@@ -143,7 +143,7 @@ def test_submit_success(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.payout_url}/submitThirdParty',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword'
@@ -286,7 +286,7 @@ def test_store_detail_and_submit_card_success(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.payout_url}/storeDetailAndSubmitThirdParty',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword'
@@ -320,7 +320,7 @@ def test_store_detail_and_submit_bank_success(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.payout_url}/storeDetailAndSubmitThirdParty',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             username='YourWSUser',
             password='YourWSPassword'
diff --git a/test/TransfersTest.py b/test/TransfersTest.py
index 70246ba2..4e2c42c6 100644
--- a/test/TransfersTest.py
+++ b/test/TransfersTest.py
@@ -58,7 +58,7 @@ def test_transfer_fund(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'{self.transfers_url}/transfers',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )
@@ -71,7 +71,7 @@ def test_get_all_transactions(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'GET',
             f'{self.transfers_url}/transactions',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
@@ -84,7 +84,7 @@ def test_get_transaction(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'GET',
             f'{self.transfers_url}/transactions/{transacion_id}',
-            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': 'adyen-python-api-library', 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': 'adyen-python-api-library/' + settings.LIB_VERSION},
             json=None,
             xapikey="YourXapikey"
         )
diff --git a/test/UtilTest.py b/test/UtilTest.py
index afb48243..429d18c5 100644
--- a/test/UtilTest.py
+++ b/test/UtilTest.py
@@ -105,7 +105,7 @@ def test_custom_version(self):
         self.adyen.client.http_client.request.assert_called_once_with(
             'POST',
             f'https://checkout-test.adyen.com/v{self.client.api_checkout_version}/paymentMethods',
-            headers={'adyen-library-name': settings.LIB_NAME, 'adyen-library-version': settings.LIB_VERSION},
+            headers={'adyen-library-name': settings.LIB_NAME, 'adyen-library-version': settings.LIB_VERSION, 'User-Agent': settings.LIB_NAME + '/' + settings.LIB_VERSION},
             json=request,
             xapikey="YourXapikey"
         )