> ## Documentation Index
> Fetch the complete documentation index at: https://learn.workflow.dog/llms.txt
> Use this file to discover all available pages before exploring further.

# Cancel Booking

> Cancel a TidyCal booking by ID.

**Cancel Booking** marks an existing TidyCal booking as cancelled.

| Input                   | Type             | Required | Description                                      |
| ----------------------- | ---------------- | -------- | ------------------------------------------------ |
| **Third-party account** | TidyCal account  | Yes      | The account containing the booking.              |
| **Booking ID**          | Positive integer | Yes      | The booking to cancel.                           |
| **Reason**              | String           | No       | An optional cancellation reason sent to TidyCal. |

The action has no output.