← The evidence ledger
Evidence row 19269
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.fastaf.co/x402/v1/youtube
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fbe2921ad01b2ceedfaf5c4b9ce218dbdf3a07c67fc77522fe68be2a0b67d0a7
- Leaf
- 0x93a17ba52b8a2a35af0fcc96f58fae91d9b7196d2cd70c693efbc00c15859c7f
What was observed
{
"endpoints": [
[
"x402",
"https://api.fastaf.co/x402/v1/youtube"
]
],
"name": "FastAF",
"owner_address": "0x05b75e13f071a09a26b50a18ce5bd02a0755d76f",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x05B75e13f071A09A26B50a18Ce5BD02a0755d76F",
"scheme": "exact"
}
],
"description": "YouTube transcript and video search API for AI agents: retrieve timestamped transcript segments by video ID or find videos by keyword. Returns JSON transcripts with text, start and duration, or video search results for content research and summarization. Provided by FastAF YouTube Transcript & Metadata. Price: $0.001000 USDC per successful call.",
"extensions": {
"bazaar": {
"info": {
"docsUrl": "https://fastaf.co/apis/youtube-api/",
"homepage": "https://fastaf.co",
"input": {
"method": "GET",
"queryParams": {
"language": "en",
"resource": "transcript",
"v": "jNQXAC9IVRw"
},
"type": "http"
},
"openApiUrl": "https://api.fastaf.co/openapi.json",
"output": {
"example": {
"transcripts": [
{
"duration": 4.5,
"start": 0,
"text": "All right, so here we are in front of the elephants."
},
{
"duration": 5.5,
"start": 4.5,
"text": "The cool thing about these guys is that they have really long trunks."
}
]
},
"type": "json"
},
"website": "https://fastaf.co"
},
"metadata": {
"provider": {
"description": "FastAF: Web data for AI agents, pay per call in USDC via x402, no account: Google search, Maps, News, Shopping, Scholar, Jobs, AI Mode, Amazon, eBay, Walmart, Zillow, YouTube transcripts, public LinkedIn/X profiles, scraping and screenshots.",
"docsUrl": "https://fastaf.co/apis/youtube-api/",
"homepage": "https://fastaf.co",
"name": "FastAF",
"openApiUrl": "https://api.fastaf.co/openapi.json",
"website": "https://fastaf.co"
}
},
"routeTemplate": "/x402/v1/youtube",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"description": "YouTube transcript and video search API for AI agents: retrieve timestamped transcript segments by video ID or find videos by keyword. Returns JSON transcripts with text, start and duration, or video search results for content research and summarization.",
"properties": {
"docsUrl": {
"format": "uri",
"type": "string"
},
"homepage": {
"format": "uri",
"type": "string"
},
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"anyOf": [
{
"required": [
"v"
]
},
{
"properties": {
"resource": {
"const": "search"
}
},
"required": [
"resource",
"search_query"
]
}
],
"description": "YouTube transcript lookup using resource=transcript and video ID v. Video search instead requires resource=search and search_query.",
"examples": [
{
"language": "en",
"resource": "transcript",
"v": "jNQXAC9IVRw"
}
],
"properties": {
"country": {
"description": "Two-letter YouTube country code, e.g. us or gb; upstream default us for search/transcripts. No option surcharge; transcript costs 1 credit, search 5 credits per request.",
"maxLength": 8192,
"type": "string"
},
"language": {
"description": "YouTube language code, e.g. en, es or de; upstream default en. For transcripts, requests the available caption language; no translation is guaranteed. No option surcharge; transcript costs 1 credit, search 5 credits per request.",
"examples": [
"en"
],
"maxLength": 8192,
"type": "string"
},
"resource": {
"default": "transcript",
"description": "YouTube operation: transcript (default) or search. No option surcharge; transcript costs 1 credit, search 5 credits per request.",
"enum": [
"transcript",
"search"
],
"examples": [
"transcript"
],
"type": "string"
},
"search_query": {
"description": "Required YouTube search text for resource=search, e.g. espresso tutorial. Not valid for transcript; no default. No option surcharge; transcript costs 1 credit, search 5 credits per request.",
"maxLength": 8192,
"type": "string"
},
"sp": {
"description": "YouTube search filter or continuation token copied from a search URL/previous response; search only. Omit for the first unfiltered page. Each page is a separate request. No option surcharge; transcript costs 1 credit, search 5 credits per request.",
"maxLength": 8192,
"type": "string"
},
"v": {
"description": "Required YouTube video ID for transcript, e.g. jNQXAC9IVRw, not the watch URL. Not valid for search; no default. No option surcharge; transcript costs 1 credit, search 5 credits per request.",
"examples": [
"jNQXAC9IVRw"
],
"maxLength": 8192,
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"openApiUrl": {
"format": "uri",
"type": "string"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"description": "YouTube transcript JSON: transcripts contains text segments with start and duration in seconds. resource=search returns video_results instead.",
"properties": {
"transcripts": {
"items": {
"additionalProperties": true,
"properties": {
"duration": {
"type": "number"
},
"start": {
"type": "number"
},
"text": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"website": {
"format": "uri",
"type": "string"
}
},
"required": [
"input"
],
"title": "FastAF YouTube Transcript & Metadata",
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T03:46:01.382Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-26T03:46:00.756Z"
},
"resource": "https://api.fastaf.co/x402/v1/youtube",
"serviceName": "FastAF",
"tags": [
"data",
"scraping",
"web-data",
"api",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "YouTube transcript and video search API for AI agents: retrieve timestamped transcript segments by video ID or find videos by keyword. Returns JSON transcripts with text, start and duration, or video search results for content research and summarization. Provided by FastAF YouTube Transcript & Metadata. Price: $0.001000 USDC per successful call."
}What the leaf hashes
{"body":"fbe2921ad01b2ceedfaf5c4b9ce218dbdf3a07c67fc77522fe68be2a0b67d0a7","id":19269,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025331397085,"prev":null,"subject":"x402_bazaar:https://api.fastaf.co/x402/v1/youtube","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).
- 0x93a20290c71c1919b6730a9c4ec75ffe2fe9c6ad923116157ecbc06d1f2964a1
- 0x389f9862b3ac6086e4be3e99a549910e46997dceb9488c610223876739bd9cdb
- 0xe7eae30c52c99fcd78c00f1adbbabd94f01e46ae76db7bad61708e3a07ee3c10
- 0xc2fbd942be7d33d390ce1e016feff4784f7d8117893635deb29c7c0715bd3d95
- 0x1f72d16964727b3b322d10b5ef339c1a29af1268aa1cf5eae455871ebe9329ea
- 0xf180eef558bcacf07b2ed00789dae2226eec5387c214a0a2926d6a2354fbe047
- 0x7d64616bb3ccf49f9d2a590fb6d710e3bc5d220780cb992c9b7b308592dc9e72
- 0xbce0acc2bb80fccf5aa6f93116425f79d79729ddb5dfe17bdb4dbe2e1ff00e9e
- 0x73887d9db468ce8d035622c758f02d239de6ddda029fca8d8aedf7f0dcf5bf65
- 0x1452bac1c16ed1a13fd24d016370307a5402f74d73cad5641a5508fdb4d2c5cb
- 0xcd52656344e352446858a7d55feb9336b07dd3ad98715c122aaf69d4eb3d6ca8
- 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
- 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae