ToolAssay

Transcribe speech from an audio or video file (mp3, m4a, wav, ogg, mp4, webm) up

Transcribe speech from an audio or video file (mp3, m4a, wav, ogg, mp4, webm) up to 15 minutes, using Whisper. Language is detected automatically. Use when you need the words from a voice note, meeting, podcast clip or video. Send {url} or {base64}, optional language (2-letter code). Returns {language, duration, text, segments with start/end times}. Errors: 413 over 15 minutes, 422 not audio.

Not tested: has real-world effectsour last check, 2026-10-18
0 of 0checks answered this week
n/amedian answer time
$0.03listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://agent-tools-production-e6aa.up.railway.app/v1/transcribe

CategoryImage and media
Provider hostagent-tools-production-e6aa.up.railway.app
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "base64": "UklGRiR9AABXQVZFZm10IBAAAAABAAEAgD4AAAB9...",
    "language": "en"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "base64": {
              "description": "File contents, base64-encoded (max 20 MB). Provide url OR base64.",
              "type": "string"
            },
            "language": {
              "description": "Optional 2-letter language code, e.g. en",
              "type": "string"
            },
            "url": {
              "description": "Public URL of the file. Provide url OR base64.",
              "type": "string"
            }
          },
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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