Appointments
Cancel a synced appointment
Requires a REST API key with appointments:sync on an approved account. Marks the booking cancelled with the given reason (default “Removed in the scheduling system”); an unknown external_id returns 204.
DELETE
Cancel a synced appointment
Authorizations
Your personal access token where supported, or a scoped API key (hc_…) created inside HueChat at Account → Developer API. Send it as Authorization: Bearer <token>.
Path Parameters
HueChat account ID
The scheduling system's booking identifier
Query Parameters
Cancellation reason
Response
OK

