← The evidence ledger
Evidence row 257537
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://serp402.com/api/v1/youtube-video
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d8ab291773fed40bea7687c305a99544b9b6fefa9daaa5d650397ca46d9347dc
- Leaf
- 0x51cae7c8583ef17e7922ae9b37167d812745dfce173f096dde2b28ff18252b48
What was observed
{
"endpoints": [
[
"x402",
"https://serp402.com/api/v1/youtube-video"
]
],
"name": "serp402",
"owner_address": "0xaa1252d726567293cffe6ca495e32c6aecfdc56d",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xAA1252D726567293cffE6Ca495e32c6AEcfDC56d",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"scheme": "exact"
}
],
"description": "YouTube Video: Title, description, related videos and more. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"v": "vFcS080VYQ0"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"endpoint": "youtube-video",
"meta": {
"latencyMs": 1400
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"gl": {
"description": "country to use for the YouTube video. It's a two-letter country code. (e.g., us for the United States, uk for United Kingdom, or fr for France) Head to the…",
"type": "string"
},
"hl": {
"description": "language to use for the Youtube video. It's a two or three-letter language code. (e.g., en for English, es for Spanish, or fr for French), optionally followed…",
"type": "string"
},
"next_page_token": {
"description": "next page token. It is used for retrieving the next page results for related videos, comments or replies. It should be one of - related_videos_next_page_token…",
"type": "string"
},
"v": {
"type": "string"
}
},
"type": "object"
},
"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": {
"additionalProperties": true,
"description": "YouTube Video results as structured JSON. The shape follows the source, so fields differ between endpoints; identifiers and routing belonging to the collection layer are stripped.",
"properties": {
"attribution": {
"description": "Where the data comes from and what was done to it. Keep it with the results if you pass them on.",
"type": "object"
},
"endpoint": {
"description": "Which endpoint answered.",
"type": "string"
},
"meta": {
"description": "How long the call took.",
"type": "object"
},
"paid": {
"description": "The settled transaction and network.",
"type": "object"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0xAA1252D726567293cffE6Ca495e32c6AEcfDC56d",
"resourceUrl": "https://serp402.com/api/v1/youtube-video",
"scheme": "exact",
"validUntil": 1793029197,
"version": 1
},
"signature": "0x15415089e926a1e63661f7e294118019f9538edcde549e8a3f47a90e16c0c16c4d85f204ce773f3095b531974caf9f7664d8809ca9f2e0993ca134d1f0c055491b"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"resourceUrl": "https://serp402.com/api/v1/youtube-video",
"scheme": "exact",
"validUntil": 1793029197,
"version": 1
},
"signature": "0x645539b50acdfa4b61832e9cca771a61266fa8178cf9ad23f8bbb1eeb99b57882b358b74e398098416741371f9d8cc29faaa5e4dc23f5677141ed18fd4017e511b"
}
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"offers": {
"items": {
"properties": {
"acceptIndex": {
"type": "integer"
},
"format": {
"type": "string"
},
"payload": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"payTo": {
"type": "string"
},
"resourceUrl": {
"type": "string"
},
"scheme": {
"type": "string"
},
"validUntil": {
"type": "integer"
},
"version": {
"type": "integer"
}
},
"required": [
"version",
"resourceUrl",
"scheme",
"network",
"asset",
"payTo",
"amount"
],
"type": "object"
},
"signature": {
"type": "string"
}
},
"required": [
"format",
"signature"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"offers"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T15:37:57.711Z",
"quality": {
"lastCalledAt": "2026-10-26T15:37:57.711Z"
},
"resource": "https://serp402.com/api/v1/youtube-video",
"serviceName": "serp402",
"tags": [
"video",
"youtube",
"x402",
"agents",
"api"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "YouTube Video: Title, description, related videos and more. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners."
}What the leaf hashes
{"body":"d8ab291773fed40bea7687c305a99544b9b6fefa9daaa5d650397ca46d9347dc","id":257537,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029766439563,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/youtube-video","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).
- 0x51cac7fd82ae0472dca05390239dc08dba59028f048077f15487ce7e9a853349
- 0xc88742bf55cf5de69a8868ac7018b5a5e6c59ba558423680048b5bd90e6c0af7
- 0x849450d7a4949f3b7dbab55208476e2aa4e99f1890c7702c03207ce0f4deb177
- 0x0f6101e852555e6576216925e75c180f73e6aff1a7f767e79a407b2d014a195a
- 0x58a466c21e29ac2c6365ffd61a970df5cfd9ca6b77bf28f3efc4f452f0c12c88
- 0x176cddbdc81ae721e06c32b7776c6bd807cb7aa961fe405c13e675736b5ddf90
- 0x7a76189b1ed4c64a3a16b8acdeb61a318434c8868e4c770468c6445ab7e7a8fb
- 0x691ab812669d4fbacbfa4c2be2269232de22687068b345eb1fe8ac1d5fdd4590
- 0x73d07b953afcdab9a96ff7540ac7a2cd9dfbbb3b041d6ad864c055e7276f1e75
- 0xfca9ff78b92c71fdaab1acd2d14980882031b639cac9549f1cb05364a670b1da
- 0xa5ad1076807e948ee46c6ef88026aa55418c25a28faa967ff0fc965aa97c5a48
- 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
- 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
- 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae