API Reference

Group Join Event

Description

This event is triggered when a user joins a group.

Webhook Request

HTTP Method

POST

Request Headers

NameValue
Content-Typeapplication/json
User-AgentWaAPI Webhook User Agent

Request Body

{
  "event": "group_join",
  "instanceId": "1",
  "data": {
    "notification": {
      "id": {
        "fromMe": false,
        "remote": "123456789123456789@g.us",
        "id": "AAABBBCCCDDDEEEFFF111222333",
        "participant": "123456789@c.us",
        "_serialized": "false_123456789123456789@g.us_AAABBBCCCDDDEEEFFF111222333_123456789@c.us"
      },
      "body": "",
      "type": "add",
      "timestamp": 1738935259,
      "chatId": "123456789123456789@g.us",
      "author": "987654321@c.us",
      "recipientIds": ["123456789@c.us"]
    }
  }
}