### Answer Based on community reports, here are some things to check for Cal.com integration issues: Try rotating your Cal.com API key and re-entering it in Retell. [(1) ]() Verify these common issues: - Ensure the testing user is added to the event ID in Cal.com [(2) ]() - Double-check that the timezone in Cal.com matches the timezone in your function - Add a current time variable in your prompt so the LLM is aware of the current time For team events specifically: Some users have reported that integrations work for single-user events but fail for team events. [(1) ]() For booking errors: If you're getting

no_available_users_found_error

, one user resolved this by adding detailed prompting to correctly pass the location structure (

location.type

and

location.integration

) . [(3) ]() If the issue persists after checking these items, you may want to reach out to support directly: - Visit [Contact Sales]() - Visit [) Would you like me to try to provide more general guidance on Cal.com API configuration?

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.

​ To learn more, see the sources I considered: [[1] Error with Cal.com integration](https://discord.com/channels/1186424376300679209/1432628757067337778) [[2] API to Cal.com keeps failing spastically.](https://discord.com/channels/1186424376300679209/1400179427480174592) [[3] Cal.com booking errors](https://discord.com/channels/1186424376300679209/1377380250954105064) ​