Event catalogue

Inbound document

A file. document.filename and document.mime_type describe it; download through GET /v1/media/{media_id}(/reference/#tag/media/GET/v1/media/{media_id}).

A file. document.filename and document.mime_type describe it; download through GET /v1/media/{media_id}.

Event type: message.inbound. Fixture payloads are the WhaBuzz Demo tenant's real ids with a fictional customer number; id, tenant_id and created_at in envelopes are illustrative.

#PDF with filename and caption

What Meta POSTs to WhaBuzz (fixtures/meta/document.json):

{
  "object": "whatsapp_business_account",
  "entry": [
    {
      "id": "26059971920328384",
      "changes": [
        {
          "value": {
            "messaging_product": "whatsapp",
            "metadata": {
              "display_phone_number": "14692311132",
              "phone_number_id": "1013622581841046"
            },
            "contacts": [
              {
                "profile": {
                  "name": "Kerry Fisher"
                },
                "wa_id": "16505551234",
                "user_id": "US.13491208655302741918"
              }
            ],
            "messages": [
              {
                "from": "16505551234",
                "from_user_id": "US.13491208655302741918",
                "id": "wamid.HBgLMTY1MDU1NTEyMzQVAgASGBQzQUY5QTdGNkU0RTFGMkI3QzFB08AA=",
                "timestamp": "1760591523",
                "type": "document",
                "document": {
                  "caption": "Medical clearance",
                  "filename": "clearance.pdf",
                  "mime_type": "application/pdf",
                  "sha256": "z9y8x7w6v5u4t3s2r1q0p9o8n7m6l5k4j3i2h1g0f9e=",
                  "id": "1356208412297128"
                }
              }
            ]
          },
          "field": "messages"
        }
      ]
    }
  ]
}

json

What your endpoint receives, as the body of a signed POST. raw is abbreviated here; on the wire it is the full body above.

{
  "id": "evt_01JAB3K9X2S8C4M7Q1V5R6T0YZ",
  "type": "message.inbound",
  "api_version": "2026-10-16",
  "created_at": "2025-10-16T05:12:03.481Z",
  "tenant_id": "a578246e-b97f-48e6-ae42-939ec3ccf917",
  "waba_id": "26059971920328384",
  "phone_number_id": "1013622581841046",
  "display_phone_number": "14692311132",
  "wamid": "wamid.HBgLMTY1MDU1NTEyMzQVAgASGBQzQUY5QTdGNkU0RTFGMkI3QzFB08AA=",
  "wa_id": "16505551234",
  "user_id": "US.13491208655302741918",
  "dedupe_key": "msg:wamid.HBgLMTY1MDU1NTEyMzQVAgASGBQzQUY5QTdGNkU0RTFGMkI3QzFB08AA=",
  "data": {
    "messaging_product": "whatsapp",
    "metadata": {
      "display_phone_number": "14692311132",
      "phone_number_id": "1013622581841046"
    },
    "contacts": [
      {
        "profile": {
          "name": "Kerry Fisher"
        },
        "wa_id": "16505551234",
        "user_id": "US.13491208655302741918"
      }
    ],
    "message": {
      "from": "16505551234",
      "from_user_id": "US.13491208655302741918",
      "id": "wamid.HBgLMTY1MDU1NTEyMzQVAgASGBQzQUY5QTdGNkU0RTFGMkI3QzFB08AA=",
      "timestamp": "1760591523",
      "type": "document",
      "document": {
        "caption": "Medical clearance",
        "filename": "clearance.pdf",
        "mime_type": "application/pdf",
        "sha256": "z9y8x7w6v5u4t3s2r1q0p9o8n7m6l5k4j3i2h1g0f9e=",
        "id": "1356208412297128"
      }
    }
  },
  "raw": {
    "…": "the complete Meta POST body, byte for byte, as shown above"
  },
  "raw_path": "entry[0].changes[0].value.messages[0]"
}

json

This page as Markdown: /events/inbound-document.md. All docs in one file: /llms-full.txt.

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Inbound document

#PDF with filename and caption