Cal.com | Open Scheduling Infrastructure

# Cal.com Docs ## Docs - [AI agents](https://cal.com/docs/agents.md): How AI agents can use the Cal.com API v2 to manage scheduling - [Access Control](https://cal.com/docs/api-reference/v2/access-control.md): Roles, permissions, and OAuth scopes for organizations and teams API v2 endpoints - [Refresh API Key](https://cal.com/docs/api-reference/v2/api-keys/refresh-api-key.md): Generate a new API key and delete the current one. Provide API key to refresh as a Bearer token in the Authorization header (e.g. "Authorization: Bearer <apiKey>"). - [Add an attendee to a booking](https://cal.com/docs/api-reference/v2/bookings-attendees/add-an-attendee-to-a-booking.md): Add a new attendee to an existing booking by its UID. - [Get a specific attendee for a booking](https://cal.com/docs/api-reference/v2/bookings-attendees/get-a-specific-attendee-for-a-booking.md): Retrieve a specific attendee by their ID for a booking identified by its UID. <Note>The cal-api-version header is required for this endpoint. Without it, the request will fail with a 404 error.</Note> - [Get all attendees for a booking](https://cal.com/docs/api-reference/v2/bookings-attendees/get-all-attendees-for-a-booking.md): Retrieve all attendees for a specific booking by its UID. <Note>The cal-api-version header is required for this endpoint. Without it, the request will fail with a 404 error.</Note> - [Add guests to an existing booking](https://cal.com/docs/api-reference/v2/bookings-guests/add-guests-to-an-existing-booking.md): Add one or more guests to an existing booking. Maximum 10 guests per request, with a limit of 30 total guests per booking. **Rate Limiting:** This endpoint is rate limited to 5 requests per minute to prevent abuse. **Email Notifications:** When guests are added, the followi… - [Cancel a booking](https://cal.com/docs/api-reference/v2/bookings/cancel-a-booking.md): :bookingUid can be :bookingUid of an usual booking, individual recurrence