This endpoint allows a connected WhatsApp device to join a group using a valid WhatsApp invite link. Once the join request succeeds, the API will return the group’s JID (xxx@g.us).

---

Parameters

Name	Type	Required	Description
invite_link	string	Yes	The WhatsApp group invite URL (e.g., https://chat.whatsapp.com/...)

API Endpoint

POST https://app.rapiwa.com/api/group/join

Header

Content-Type: application/json
Authorization: Bearer Your_Device_Key

Body

{
  "invite_link": "https://chat.whatsapp.com/XXXXXXXXXXXXXXX"
}

###Response:

{
    "success": true,
    "message": "Joined group successfully",
    "data": {
        "status": true,
        "message": "Joined group successfully",
        "response": "XXXXXXXXXXXXXXX@g.us"
    }
}

💡 Tip: Keep your Device Key secure. Never share it publicly.

Contributors: Mannan Zinnat