Speech-to-text — long-form (≤2h)

• POST

  /paid/compute/stt-longform▾

  Transcribe long-form audio - podcasts, meetings, lectures up to 2 hours. Submit a public audio_url, get a jobId instantly, poll /paid/jobs/{jobId} for the transcript (free). Usage-based billing: $0.003 per minute of audio, authorized up front at a $0.36 ceiling and settled at the measured length. Failed jobs are never charged. For clips under 3 minutes, Speech-to-text — clips is instant and fixed-price.

  HPP Mainnetup to $0.36

  https://agent.hpp.io/paid/compute/stt-longform

  Scheme	Network	Asset	Price
  upto	HPP Mainnet	USDC.e	up to $0.36

  Request & response

  POSTjson

  Request body

  Field	Type	Required	Description
  audio_url	string	required	Public http(s) URL of the audio to transcribe (up to 2 hours / 256MB)

  Example response

  {
    "jobId": "…",
    "status": "queued",
    "pollUrl": "/paid/jobs/…",
    "perMinuteAtomic": "3000"
  }

  Raw discovery info

  {
    "input": {
      "body": {
        "audio_url": "https://example.com/podcast-episode.mp3"
      },
      "type": "http",
      "method": "POST",
      "bodyType": "json"
    },
    "output": {
      "type": "json",
      "example": {
        "jobId": "…",
        "status": "queued",
        "pollUrl": "/paid/jobs/…",
        "perMinuteAtomic": "3000"
      }
    }
  }

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