MEmeta
Calls

Manage Calls

Use this endpoint to initiate, accept, reject, or terminate WhatsApp calls.

For initiating or managing a call: Send a POST request with the appropriate action (connect, pre_accept, accept, reject, terminate).

For terminating a call: Send a POST request with action "terminate" and the call_id.

Note: Response with error code 138006 indicates a lack of a call request permission for this business number from the WhatsApp user.

post/{Version}/{Phone-Number-ID}/calls

Request

  • Base URL
    https://graph.facebook.com
  • URL
    https://graph.facebook.com/{Version}/{Phone-Number-ID}/calls
  • Auth
    HTTP bearer

Headers

User-Agentstring
Example:Meta-Business-Messaging-OpenAPI/1.0.0;spec=2025-10-21

The user agent string identifying the client software making the request.

Authorizationstring required
Example:Bearer EAABwzLixnjYBOzYmNMJJGfHq9DgNh...

Bearer token for API authentication. This should be a valid access token obtained through the appropriate OAuth flow or system user token.

Content-Type'application/json' | 'application/x-www-form-urlencoded' | 'multipart/form-data' required
Example:application/json

Media type of the request body

Request body

OR

Example request

{
  "messaging_product": "whatsapp",
  "to": "14085551234",
  "action": "connect",
  "session": {
    "sdp_type": "offer",
    "sdp": "v=0\no=- 3626166318745852955 2 IN IP4 127.0.0.1\ns=-\nt=0 0\na=group:BUNDLE 0\na=extmap-allow-mixed\na=msid-semantic: WMS d8b26053-4474-4eb7-b3c3-c93d6c8c9b2e\nm=audio 9 UDP/TLS/RTP/SAVPF 111 63 9 0 8 110 126\nc=IN IP4 0.0.0.0\na=rtcp:9 IN IP4 0.0.0.0\na=ice-ufrag:4g1c\na=ice-pwd:qY/Bb+jQzg5ICn6X4fhJQetk\na=ice-options:trickle\na=fingerprint:sha-256 35:47:24:24:9F:93:C4:3E:DB:37:7F:BB:ED:F8:20:B5:AD:AC:DC:35:C2:7D:67:EE:6C:35:54:DF:A6:00:5C:4A\na=setup:actpass\na=mid:0\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\na=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\na=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\na=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid\na=sendrecv\na=msid:d8b26053-4474-4eb7-b3c3-c93d6c8c9b2e 5b4d3d96-ea9b-44a8-87e6-11a1ad21a3bc\na=rtcp-mux\na=rtpmap:111 opus/48000/2\na=rtcp-fb:111 transport-cc\na=fmtp:111 minptime=10;useinbandfec=1\na=rtpmap:63 red/48000/2\na=fmtp:63 111/111\na=rtpmap:9 G722/8000\na=rtpmap:0 PCMU/8000\na=rtpmap:8 PCMA/8000\na=rtpmap:110 telephone-event/48000\na=rtpmap:126 telephone-event/8000\na=ssrc:2220762577 cname:w/zwpg3jXNiTFTdZ\na=ssrc:2220762577 msid:d8b26053-4474-4eb7-b3c3-c93d6c8c9b2e 5b4d3d96-ea9b-44a8-87e6-11a1ad21a3bc\n"
  },
  "biz_opaque_callback_data": "0fS5cePMok"
}

Response

Call Management Success

OR

Example response

{
  "messaging_product": "whatsapp",
  "calls": [
    {
      "id": "wacid.ABGGFjFVU2AfAgo6V"
    }
  ]
}

Changes

No recorded changes to this operation across all 5 revisions of this API.