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The transcribe verb is used to generate real-time transcriptions of speech.

The transcribe verb is only allowed to be nested within a dial or listen verb. When used in a dial verb, it enables long-running transcription of a phone call, while nesting within a listen verb enables transcriptions of recorded messages, such as voicemail.

  "verb": "transcribe",
  "transcriptionHook": "",
  "recognizer": {
    "vendor": "Google",
    "language" : "en-US",
    "interim": true


The full set of configuration parameters:

Parameter Description required
recognizer.transcriptionHook A webhook to receive an HTTP POST when a partial or final transcription is received from a provider. yes
recognizer Speech recognition options. yes