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WEBHOOK
message.sent
{
  "id": "12a14ae5-e00b-4d67-acf0-a9f37a409eef",
  "event_type": "message.sent",
  "timestamp": "2026-04-26T10:20:00Z",
  "organization_id": "0f1d6e38-d6bc-49be-9c39-1fcf2f946d7e",
  "webhook_id": "a17d6351-d8f6-4cd8-ae0e-fce090afdb8f",
  "data": {
    "message_id": "8806d2db-61c7-4dd3-804e-4e90b65876d2",
    "whatsapp_message_id": "wamid.HBgMNjI4MTIzNDU2Nzg5MAUCABEYEjM3RkY2RjQ0RjU2ODg3NwA=",
    "phone_number": "6281234567890",
    "account_name": "Campaign Device",
    "status": "sent",
    "direction": "outbound",
    "message_type": "text",
    "failure_reason": null,
    "reason": null,
    "sent_at": "2026-04-26T10:19:58Z",
    "delivered_at": null,
    "read_at": null,
    "failed_at": null,
    "whatsapp_account_id": "c053d8ef-6c19-4ecb-9cc5-a4a64be79d92",
    "campaign_id": null,
    "batch_id": null
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.wazzapi.com/llms.txt

Use this file to discover all available pages before exploring further.

Headers

​
X-Wazzapi-Signature
string
required

HMAC-SHA256 signature of the raw request body using your webhook secret. Verify the exact body bytes before parsing JSON.

Example:

"sha256=4e710b7fb7f5fa8ef4c8c9c7c4a28d9f6d8eb83ca8012f1d64d0170dc0f7f7d4"

​
X-Wazzapi-Event
string
required

Webhook event type for quick routing before inspecting the JSON payload.

Example:

"message.received"

​
X-Wazzapi-Event-ID
string<uuid>
required

Stable delivery attempt identifier that you can use for idempotency and tracing.

Body

application/json

Standard envelope for every webhook delivery sent by Wazzapi to your endpoint.

​
id
string<uuid>
required

Payload identifier generated for this webhook body.

​
event_type
enum<string>
required

Webhook event name you subscribed to.

Available options:
message.sent
​
timestamp
string<date-time>
required

UTC timestamp when Wazzapi created the webhook payload.

​
organization_id
string<uuid>
required

Organization that owns the event and webhook subscription.

​
webhook_id
string<uuid>
required

Webhook subscription identifier that produced the delivery.

​
data
object
required

Message lifecycle payload. Timestamps are populated according to the event: inbound messages usually set delivered_at, outbound send confirmations set sent_at, read receipts set read_at, and failures set failed_at.

Response

Acknowledge delivery. Any 2xx response marks the attempt as successful.