Appointmentcancelled
Signed with the Standard Webhooks scheme: verify webhook-signature against webhook-id, webhook-timestamp and the raw body.
Authorizations
An API key from Settings > API keys. Scopes: business:read, business:write, calls:read, contacts:read, contacts:write, appointments:read, appointments:write, messages:read, knowledge:write, webhooks:manage.
Headers
Event id. The same for every retry of this event.
Unix time in seconds when this attempt was signed.
Space-separated signatures, each v1,.
Body
Event id. Also sent as the webhook-id header; use it to ignore duplicates.
"appointment.cancelled""v1"ISO 8601 timestamp in UTC.
Stable identifier (UUID).
Response
Return any 2xx status within 10 seconds to acknowledge the event.