← The evidence ledger
Evidence row 125705
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.agentutility.ai/youtube-transcript
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1091690c6983d21c0e8643ef3097e01763a3506e84d00f4e8541b4369b639aa9
- Leaf
- 0x6e3de60d9931608f0fbb8b732058627adb61f0a59465377c540cb5f707aa8b7c
What was observed
{
"endpoints": [
[
"x402",
"https://x402.agentutility.ai/youtube-transcript"
]
],
"name": "AgentUtility.ai",
"owner_address": "0x6c0752c09e7f6fa6526fcdf40e456a159ebb5621",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "FJqAJ4dXkFbrp3EEo8E9x98iaBGUQwaU8Srz5ePfUXLH",
"scheme": "exact"
}
],
"description": "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.",
"extensions": {
"bazaar": {
"discoverable": true,
"info": {
"input": {
"body": {
"video_id_or_url": "dQw4w9WgXcQ"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"channel": null,
"channel_id": null,
"chapters": null,
"char_count": 60,
"duration_seconds": null,
"is_auto_generated": null,
"language": "en",
"segment_count": 2,
"segments": [
{
"duration": 4.5,
"start": 0,
"text": "We're no strangers to love"
},
{
"duration": 4,
"start": 4.5,
"text": "You know the rules and so do I"
}
],
"source": "supadata",
"text": "We're no strangers to love. You know the rules and so do I.",
"title": null,
"video_id": "dQw4w9WgXcQ"
},
"type": "json"
}
},
"related": [
"/youtube-brief"
],
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"include_chapters": {
"description": "Parse chapter timestamps from the video description. Default false.",
"type": "boolean"
},
"language": {
"description": "Preferred caption language code (e.g. 'en', 'es', 'ja'). Default: pick the first available.",
"type": "string"
},
"video_id_or_url": {
"description": "YouTube video ID (11-char) or full URL (youtube.com/watch?v=…, youtu.be/…, /embed/…, /shorts/…).",
"type": "string"
}
},
"required": [
"video_id_or_url"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"channel": {
"type": "null"
},
"channel_id": {
"type": "null"
},
"chapters": {
"type": "null"
},
"char_count": {
"type": "integer"
},
"duration_seconds": {
"type": "null"
},
"is_auto_generated": {
"type": "null"
},
"language": {
"type": "string"
},
"segment_count": {
"type": "integer"
},
"segments": {
"items": {
"properties": {
"duration": {
"type": "number"
},
"start": {
"type": "number"
},
"text": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"source": {
"type": "string"
},
"text": {
"type": "string"
},
"title": {
"type": "null"
},
"video_id": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_awpbwsy3"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1783070352/bazaar-icons/54f004eda341546b.png",
"lastUpdated": "2026-10-19T19:09:05.197Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T19:08:57.442Z"
},
"resource": "https://x402.agentutility.ai/youtube-transcript",
"serviceName": "AgentUtility.ai",
"tags": [
"mediakit",
"youtube",
"transcript"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "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."
}What the leaf hashes
{"body":"1091690c6983d21c0e8643ef3097e01763a3506e84d00f4e8541b4369b639aa9","id":125705,"kind":"listing","method":"baseline/1","observed_us":1793025626621733,"prev":null,"subject":"x402_bazaar:https://x402.agentutility.ai/youtube-transcript","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x6e3de6b7bb3122839e275c9154fb3e9f32d42e04f62deb316404c47e6f6e0a13
- 0xbe013fa7eb70118c511ed5a463ae04d632190f12736d8d8d8656f52415ce988c
- 0xdcbd781c9e5bb72548ce818e400a7ffebe807f10bec4fe6676104beb9c3a2d3f
- 0xb39836c261f8e14257a2f2cb0f99c0c978ae603b38dcb8b4a5a83312c03c68c5
- 0xfac0c100076e3301c68e759f3cd652edc34a4d4d20b5494804511ca9b3f8e680
- 0x0c2b1d5855b3431cfb9db60e88bdb4c2eec705e361e1f6e9bbe9fea9ca4ba9bc
- 0xee0fc96009ad672a957e1d7efe4fc3f8f021470c3b3c2b2566b08680212487bd
- 0x8fbbd1d35a1228b157065cc34f46a94cbe55b0905d4cbf744cd82addb72f2ec0
- 0xb6fcb010846d45411be563e67df50ecdd3ce51c303f1a3a19923a9bf705dac90
- 0xaee08b0a7fe6600aebc470a11e9a419553ea293db9d18d86b66fe6794f3e5b55
- 0x3167834b22bda59442a4af0440d698d3a42612c3d6ce4e293e0fa97975320c38
- 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
- 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
- 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae