Events
message.failed
Fires when an outbound message could not be delivered. Includes a failure_reason code.
WEBHOOK
Fires when an outbound message fails to deliver. The
failure_reason field tells you why. Some failures are permanent (opted-out recipient, invalid number); others are transient and you may retry them.
failure_reason codes
See Error Reference, Messaging-layer errors for the full list offailure_reason values and remediation guidance.
Common codes:
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Body
application/json
The ID of the account in which this event occurred
The data associated with the event
The timestamp when this event occurred, in ISO8601 format
The type of the event. Always message.failed for this event.
Allowed value:
"message.failed"Response
200
Return a 200 status to indicate that the data was received successfully