diff --git a/apps/notification/backend/infra/api_key_introspect_handler.py b/apps/notification/backend/infra/api_key_introspect_handler.py
index f040cda..ceb111e 100644
--- a/apps/notification/backend/infra/api_key_introspect_handler.py
+++ b/apps/notification/backend/infra/api_key_introspect_handler.py
@@ -31,15 +31,22 @@ class ApiKeyIntrospectHandler:
             HTTPException: If the external service call fails
         """
         api_url = self.auth_service_base + "introspect_api_key"
+        await self.module_logger.log_info(f"Starting API Key validation for key: {api_key[:8]}...")
+        
         async with httpx.AsyncClient() as client:
             response = await client.post(
                 api_url,
                 json={"api_key": api_key}
             )
+            
             if response.status_code != 200:
                 error_detail = response.json() if response.content else {"error": "Unknown error"}
+                await self.module_logger.log_error(f"API Key validation failed - Status: {response.status_code}, Error: {error_detail}")
                 raise HTTPException(
                     status_code=response.status_code,
                     detail=error_detail
                 )
-            return response.json()
+            
+            validation_result = response.json()
+            await self.module_logger.log_info(f"API Key validation successful - Active: {validation_result.get('active', False)}")
+            return validation_result