WhatsApp Calling Connect Webhook Examples

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Prerequisites
Make sure that your webhook endpoint is listening forwhatsapp.call.connect events. See also Configure Webhooks, Retrieve a webhook endpoint API.

User-initiated Calling Connect

When a WhatsApp user calls your business, a Call Connect webhook will be triggered with an SDP Offer：

Code sample

{
  "id": "evt_6757b723a5a42d369ef48480",
  "type": "whatsapp.call.connect",
  "apiVersion": "v2",
  "createTime": "2024-12-10T03:36:03.749Z",
  "callingConnect": {
    "id": "6757b723960b25543b9ecc66",
    "wacid": "wacid.HBgNNjI4MTM2MTkwNTEzMxrtLopSdPMwd",
    "phoneId": "461269257068832",
    "from": "+6281361905133",
    "to": "+6283138205150",
    "direction": "USER_INITIATED",
    "sdpType": "offer",
    "sdp": "<<RFC 4566 SDP>>"
  }
}

Business-initiated Calling Connect

When business initiates a new call to the WhatsApp user, a Call Connect webhook will be triggered with an SDP Answer：

Code sample

{
  "id": "evt_676e5a0d7a9cb742d02d7645",
  "type": "whatsapp.call.connect",
  "apiVersion": "v2",
  "createTime": "2024-12-27T07:41:01.554Z",
  "callingConnect": {
    "id": "676e5a0d94c533526d3c5ad5",
    "wacid": "wacid.HBgNNjI4MTM2MTkwNTEzMxUCABE",
    "phoneId": "461269257068832",
    "from": "+6283138205150",
    "to": "+6283138205150",
    "direction": "BUSINESS_INITIATED",
    "sdpType": "answer",
    "sdp": "<<RFC 4566 SDP>>",
    "dialTime": 1735283452000
  }
}