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v1

latestOpenAPI 3.0.02026-07-2491237338.9 KB
WhatsApp Calling

Pre-accept a call

Pre-accepts an inbound WhatsApp call.

Pre-accepting calls allows the calling media connection to be established before attempting to send call media through the connection. This facilitates faster connection times and avoids audio clipping issues.

post/whatsapp/calls/preAccept

Request body

phoneIdstring required

The WhatsApp Business phone number ID.

wacidstring required

The WhatsApp call ID. Required for inbound call operations. This ID is received from the Call Connect webhook when a WhatsApp user initiates the call.

sdpType'answer' required

The SDP type for pre-accept operations. Must be "answer".

sdpstring required

The Session Description Protocol (SDP) information compliant with RFC 8866. Contains media session parameters for the WebRTC connection.

Example request

{
  "phoneId": "461269257068832",
  "wacid": "wacid.HBgNNjI4MTM2MTkwNTEzMxUCABIYIDhEMjc4NEY2QUU4NTA2MTgxNTBGNzQ3N0M4QTBDMTU5HBgNNjI4MzEzODIwNTE1MBUCABUeAA==",
  "sdpType": "answer",
  "sdp": "v=0\r\no=- 2239925877841361960 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE audio\r\na=msid-semantic: WMS 0ed5100f-da68-4193-8865-146c1ac7a087\r\nm=audio 9 UDP/TLS/RTP/SAVPF 111 126\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:NCH6\r\na=ice-pwd:ogUYxqJDPNn0C5RFif6UlLz6\r\na=ice-options:trickle\r\na=fingerprint:sha-256 5B:95:C4:E4:8B:2B:06:B6:DB:FB:2C:08:2F:FD:3B:C7:9C:8D:84:4C:97:8D:84:AC:B2:93:32:B8:20:5C:3C:85\r\na=setup:active\r\na=mid:audio\r\na=sendrecv\r\na=msid:0ed5100f-da68-4193-8865-146c1ac7a087 bc955459-4bae-4504-99c8-348944c12b6f\r\na=rtcp-mux\r\na=rtpmap:111 opus/48000/2\r\na=rtcp-fb:111 transport-cc\r\na=fmtp:111 minptime=10;useinbandfec=1\r\na=rtpmap:126 telephone-event/8000\r\na=ssrc:436995058 cname:BIzAP4IgR06SrZ1S\r\n"
}

Response

The call pre-accept request is successfully processed.

wacidstring

The WhatsApp call ID associated with this calling operation.

successboolean required

Indicates whether the calling operation was successful.

Example response

{
  "wacid": "wacid.HBgNNjI4MTM2MTkwNTEzMxUCABEYIDNENjg2OEMzNTFFRDkwRkUxRUE1RTgxNjY1NjJCQUJBHBgNNjI4MzEzODIwNTE1MBUCABUeAA==",
  "success": true
}