channels
voice
calls-markup-language
markup-language-instructions

Dial callback API

When the Infobip platform finishes processing a dial endpoint requested by a Dial instruction, it generates a request to the callback URL configured on that Dial instruction. The request carries the call context together with the dial endpoint result.

postWebhookdial-callback

Payload

callIdstring

Unique identifier of the call.

fromstring

The phone number of the caller in the E.164 format.

tostring

The phone number of the callee in the E.164 format.

direction'INBOUND' | 'OUTBOUND'

The direction of the call. Possible values are: INBOUND, OUTBOUND.

startTimestring date-time

The timestamp when the call started, in ISO-8601 UTC format (yyyy-MM-dd'T'HH:mm:ss.SSSZ).

Example payload

{
  "callId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "from": "41793026834",
  "to": "41793026835",
  "direction": "INBOUND",
  "endpoint": {
    "type": "PHONE",
    "phoneNumber": "41793026834"
  },
  "startTime": "2025-04-04T11:38:01.724Z",
  "dialData": {
    "callId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
    "errorCodeName": "NORMAL_HANGUP",
    "duration": 12500
  }
}

Response

OK

Example response

{
  "actions": [
    {
      "say": {
        "language": "en",
        "voicePreferences": {
          "voice": "Joanna"
        }
      }
    }
  ]
}

Changes

Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.