v2
latestOpenAPI 3.1.02026-08-075421692.0 MBWebhook Events
Message delivery failed event
Fired when an outgoing message fails to deliver. Currently only emitted for WhatsApp (other platforms don't expose per-message failure via webhook). The payload error object contains code, title, and message from the platform.
postWebhookmessage.failed
Payload
Response
Webhook received successfully