Fetch the transcript of any YouTube video
Fetch the transcript of any YouTube video. Pulls auto-generated or manual captions and returns full text plus per-segment {start, duration, text}, with an optional language pick. Backed by Supadata's transcript pipeline server-side — no caller key required; returns a clear 404 when a video has no transcript. Use it as a YouTube closed-caption fetcher or video subtitles puller.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
21 msmedian answer time
$0.01listed price per call
$0.01price 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://x402.agentutility.ai/youtube-transcript
| Category | Image and media |
|---|---|
| Provider host | x402.agentutility.ai |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 21 ms |
Example input (from the provider)
{
"body": {
"video_id_or_url": "dQw4w9WgXcQ"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"include_chapters": {
"description": "Parse chapter timestamps from the video description. Default false.",
"type": "boolean"
},
"language": {
"description": "Preferred caption language code (e.g. 'en', 'es', 'ja'). Default: pick the first available.",
"type": "string"
},
"video_id_or_url": {
"description": "YouTube video ID (11-char) or full URL (youtube.com/watch?v=\u2026, youtu.be/\u2026, /embed/\u2026, /shorts/\u2026).",
"type": "string"
}
},
"required": [
"video_id_or_url"
]
},
"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": {
"properties": {
"channel": {
"type": "null"
},
"channel_id": {
"type": "null"
},
"chapters": {
"type": "null"
},
"char_count": {
"type": "integer"
},
"duration_seconds": {
"type": "null"
},
"is_auto_generated": {
"type": "null"
},
"language": {
"type": "string"
},
"segment_count": {
"type": "integer"
},
"segments": {
"items": {
"properties": {
"duration": {
"type": "number"
},
"start": {
"type": "number"
},
"text": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"source": {
"type": "string"
},
"text": {
"type": "string"
},
"title": {
"type": "null"
},
"video_id": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}