diff --git a/backend/igny8_core/modules/integration/views.py b/backend/igny8_core/modules/integration/views.py
index 8246c81e..6266e323 100644
--- a/backend/igny8_core/modules/integration/views.py
+++ b/backend/igny8_core/modules/integration/views.py
@@ -58,28 +58,19 @@ class IntegrationViewSet(SiteSectorModelViewSet):
             def validate(self, data):
                 """
                 Custom validation for WordPress integrations.
-                Allow API key-only authentication (no username/password required).
+                API key is the only required authentication method.
                 """
                 validated_data = super().validate(data)
                 
-                # For WordPress platform, allow API key-only authentication
+                # For WordPress platform, require API key only
                 if validated_data.get('platform') == 'wordpress':
                     credentials = validated_data.get('credentials_json', {})
                     
-                    # If API key is provided, username/app_password are optional
-                    if credentials.get('api_key'):
-                        # API key authentication - no username/password required
-                        pass
-                    elif not credentials.get('username') or not credentials.get('app_password'):
-                        # Traditional auth requires both username and app_password
-                        if not credentials.get('username'):
-                            raise serializers.ValidationError({
-                                'credentials_json': 'Username is required when not using API key authentication.'
-                            })
-                        if not credentials.get('app_password'):
-                            raise serializers.ValidationError({
-                                'credentials_json': 'Application password is required when not using API key authentication.'
-                            })
+                    # API key is required for all WordPress integrations
+                    if not credentials.get('api_key'):
+                        raise serializers.ValidationError({
+                            'credentials_json': 'API key is required for WordPress integration.'
+                        })
                 
                 return validated_data