Tool detail

YouTube Transcript & Captions

Returns a YouTube video's full transcript as plain text and timestamped segments, plus chapter markers and caption tracks.

Categories: Social media

Use when

get the transcript of a YouTube video
extract timestamped captions and chapters from a video
pick a caption language and re-fetch a video's subtitles

Not for

not video download or audio extraction, text captions only
not videos without any caption track available

Inputs

GET query param: v (string, required, YouTube video id or full URL, max 500 chars)

Admitted input schema

{
  "type": "object",
  "properties": {
    "v": {
      "type": "string",
      "minLength": 0,
      "maxLength": 500,
      "description": "YouTube video id (11 characters) or a full YouTube video URL"
    }
  },
  "required": [
    "v"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://youtube.use.x402atlas.com/transcript

Payment

Protocol: x402
Listed price: $0.02 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://youtube.use.x402atlas.com/transcript
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z