diff --git a/aana/api/request_handler.py b/aana/api/request_handler.py
index fa4e3ad5..2de7d3ec 100644
--- a/aana/api/request_handler.py
+++ b/aana/api/request_handler.py
@@ -370,4 +370,6 @@ async def register_webhook(
             webhook_repo.save(webhook)
         except Exception:
             return WebhookRegistrationResponse(message="Failed to register webhook")
-        return WebhookRegistrationResponse(message="Webhook registered successfully")
+        return WebhookRegistrationResponse(
+            id=str(webhook.id), message="Webhook registered successfully"
+        )
diff --git a/aana/api/webhook.py b/aana/api/webhook.py
index a2d8769e..bab30184 100644
--- a/aana/api/webhook.py
+++ b/aana/api/webhook.py
@@ -38,7 +38,7 @@ class WebhookRegistrationRequest(BaseModel):
 class WebhookRegistrationResponse(BaseModel):
     """Response for a webhook registration."""
 
-    id: str
+    id: str | None
     message: str