TheBuzzz
01/22/2026, 9:22 PMAI Evy
01/22/2026, 9:22 PMAI Evy
01/22/2026, 9:23 PMAI Evy
01/22/2026, 9:23 PMAI Evy
01/22/2026, 9:23 PMwebhook_url directly on the agent. [(1) ]() The webhook binds events for that agent to your specified URL.
2. Check for authorization issues
A common problem when integrating with Make.com is a 401 error, which means unauthorized access. [(2) ]() Ensure you have the correct Authorization header configured (e.g., Bearer <token>) .
3. Verify webhook timeout settings
The webhook_timeout_ms setting controls the timeout for the webhook in milliseconds—default is 10000 (10 seconds) . [(1) ]() If your Make.com scenario takes longer to respond, the webhook may time out.
4. Confirm the webhook scenario is active in Make.com
Make sure your Make.com scenario is active and listening for incoming requests. [(2) ]()
If you've verified all of the above and still aren't receiving signals, I'd recommend reaching out to Retell AI support with your agent ID so they can investigate further on their end.
Check out these potentially useful sources:
- [Webhook Overview]()
- [Update Chat Agent]()