diff --git a/src/backend/InvenTree/plugin/base/integration/test_mixins.py b/src/backend/InvenTree/plugin/base/integration/test_mixins.py
index c5cf6aa195..6b1ce091e8 100644
--- a/src/backend/InvenTree/plugin/base/integration/test_mixins.py
+++ b/src/backend/InvenTree/plugin/base/integration/test_mixins.py
@@ -209,7 +209,11 @@ class APICallMixinTest(BaseMixinDefinition, TestCase):
             NAME = 'Sample API Caller'
 
             SETTINGS = {
-                'API_TOKEN': {'name': 'API Token', 'protected': True},
+                'API_TOKEN': {
+                    'name': 'API Token',
+                    'protected': True,
+                    'default': 'reqres-free-v1',
+                },
                 'API_URL': {
                     'name': 'External URL',
                     'description': 'Where is your API located?',
@@ -219,6 +223,7 @@ class APICallMixinTest(BaseMixinDefinition, TestCase):
 
             API_URL_SETTING = 'API_URL'
             API_TOKEN_SETTING = 'API_TOKEN'
+            API_TOKEN = 'x-api-key'
 
             @property
             def api_url(self):
@@ -289,6 +294,8 @@ class APICallMixinTest(BaseMixinDefinition, TestCase):
         self.assertTrue(result)
         self.assertEqual(result.reason, 'OK')
 
+        # Set API TOKEN
+        self.mixin.set_setting('API_TOKEN', 'reqres-free-v1')
         # api_call with post and data
         result = self.mixin.api_call(
             'https://reqres.in/api/users/',
@@ -298,6 +305,7 @@ class APICallMixinTest(BaseMixinDefinition, TestCase):
         )
 
         self.assertTrue(result)
+        self.assertNotIn('error', result)
         self.assertEqual(result['name'], 'morpheus')
 
         # api_call with endpoint with leading slash
diff --git a/src/backend/InvenTree/plugin/samples/integration/api_caller.py b/src/backend/InvenTree/plugin/samples/integration/api_caller.py
index ea78f175c5..759a02c88b 100644
--- a/src/backend/InvenTree/plugin/samples/integration/api_caller.py
+++ b/src/backend/InvenTree/plugin/samples/integration/api_caller.py
@@ -10,7 +10,11 @@ class SampleApiCallerPlugin(APICallMixin, SettingsMixin, InvenTreePlugin):
     NAME = 'Sample API Caller'
 
     SETTINGS = {
-        'API_TOKEN': {'name': 'API Token', 'protected': True},
+        'API_TOKEN': {
+            'name': 'API Token',
+            'protected': True,
+            'default': 'reqres-free-v1',
+        },
         'API_URL': {
             'name': 'External URL',
             'description': 'Where is your API located?',
@@ -19,6 +23,7 @@ class SampleApiCallerPlugin(APICallMixin, SettingsMixin, InvenTreePlugin):
     }
     API_URL_SETTING = 'API_URL'
     API_TOKEN_SETTING = 'API_TOKEN'
+    API_TOKEN = 'x-api-key'
 
     def get_external_url(self):
         """Returns data from the sample endpoint."""