YouTube Transcript & Captions
Full transcript of any YouTube video by video id or URL: captions/subtitles as clean plain text plus timestamped segments, the video's chapter markers, and every caption track it offers so an agent can pick a language and re-fetch. YouTube transcript, video to text, captions extraction, subtitle download, closed captions, speech to text, multilingual, asr and authored tracks. No API key.
Offering
- Provider
- youtube.use.x402atlas.com
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Creative
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://youtube.use.x402atlas.com/transcript- MIME type
- application/json
- First seen
- 2026-10-16T01:50:06.715Z
- Last seen
- Tags
- YouTube, transcript, captions, subtitles, video-to-text, video-transcript, closed-captions, chapters, speech-to-text, RAG
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.02 USDC
Atomic price: 20000 · Network: eip155:137 · Asset: USDC · Scheme: exact - Payment option 3
- 0.02 USDC
Atomic price: 20000 · Network: eip155:42161 · Asset: USDC · Scheme: exact - Payment option 4
- 0.02 USDC
Atomic price: 20000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
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{
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"network": "eip155:137",
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"amount": "20000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
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"amount": "20000",
"payTo": "3nXsChcZGke6xebDPmndNMCt8L3yi6xyN4Pd6q5cQrgv"
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]Observed health
- Status
- Healthy
- Latest latency
- 22 ms
- Average latency
- 259 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 12 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"v": {
"description": "YouTube video id (11 characters) or a full YouTube video URL",
"maxLength": 500,
"type": "string"
}
},
"required": [
"v"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"v": {
"description": "YouTube video id (11 characters) or a full YouTube video URL",
"maxLength": 500,
"type": "string"
}
},
"required": [
"v"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"available_transcripts": {
"description": "Every track this video offers; feed language_code/type/title back to fetch one. A language may appear twice — the authored track and the asr one.",
"items": {
"properties": {
"language_code": {
"type": "string"
},
"selected": {
"description": "True on the track this response served",
"type": "boolean"
},
"title": {
"description": "Track title, on videos with named tracks",
"type": "string"
},
"type": {
"description": "asr on auto-generated tracks; absent on authored ones",
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"chapters": {
"description": "Chapter markers; empty for videos without chapters",
"items": {
"properties": {
"end_ms": {
"type": "integer"
},
"start_ms": {
"type": "integer"
},
"start_time_text": {
"type": "string"
},
"title": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"language_code": {
"description": "Language of the track actually served; omitted when the upstream identifies none — never an echo of the request",
"type": "string"
},
"note": {
"description": "Present only on the sample response (a call with no v): a hint that this is a canned example. The paid request ran; no upstream call was made.",
"type": "string"
},
"queried_at": {
"format": "date-time",
"type": "string"
},
"segments": {
"items": {
"properties": {
"end_ms": {
"description": "Line end offset in milliseconds; absent on tracks that carry only starts",
"type": "integer"
},
"start_ms": {
"description": "Line start offset in milliseconds",
"type": "integer"
},
"start_time_text": {
"description": "Line start as displayed, e.g. 0:43",
"type": "string"
},
"text": {
"type": "string"
}
},
"required": [
"start_ms",
"text"
],
"type": "object"
},
"type": "array"
},
"text": {
"description": "Whole transcript as one plain-text block",
"type": "string"
},
"video_id": {
"description": "Normalized 11-character video id",
"type": "string"
}
},
"required": [
"video_id",
"queried_at",
"text",
"segments",
"chapters",
"available_transcripts"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}