Gateway event. WhatsApp refused a message the number sent after first accepting it (code, e.g. 463: the number may not reach this person yet). Once per message.
Header Parameters
base64url(HMAC-SHA256(raw body, your webhook's signing secret)), the secret being the whsec_… shown in the console. Verify it over the raw bytes before parsing, and refuse the event when it does not match.
The event id, also event_id in the body: the same on every retry of the event. Deduplicate on it.
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
Example Requests
/WhatsappMessageFailedWhatsApp: message delivered, read, edited or deleted Webhook
A message delivered (`message_delivered`), read (`message_read`, with `read_by`), edited (`message_edited`, with the new `message`) or deleted (`message_deleted`, with `deleted_for`).
WhatsApp: message received Webhook
A new message in a chat, the number's own included (`is_sender`): `message_received`.