Actions109
- Account Actions
- Appointment Actions
- Automation Actions
- Broadcast Actions
- Channel Actions
- Class Participant Actions
- Class Session Actions
- Contact Actions
- Conversation Actions
- Coupon Actions
- Invoice Actions
- Media Actions
- Message Actions
- Order Actions
- Payment Actions
- Plan Actions
- Product Actions
- Segment Actions
- Service Actions
- Service Category Actions
- Staff Actions
- Subscription Actions
- Tag Actions
- Time Off Actions
Appointment → Cancel
AI-generatedSummary
Cancel a DMLY appointment by its UUID, with an optional reason of up to 255 characters.
Inputs
- Appointment ID (required) — The appointment UUID to cancel.
- Reason — Optional cancellation reason (maximum 255 characters).
Output shape
A single API response item.
The operation handler’s body is not shown in the supplied signature-level source, so the response fields and cancellation request details cannot be confirmed.