← The evidence ledger
Evidence row 257491
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://serp402.com/api/v1/baidu-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2155f14c4245987bdb17d5de80c2338872a73e77198a9d29c90ee038e53001de
- Leaf
- 0x8052db74d36d85dabe47a6e34d9e563b496aa9715cabc0afe845a3733a007747
What was observed
{
"endpoints": [
[
"x402",
"https://serp402.com/api/v1/baidu-search"
]
],
"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": "Baidu: Scrape Baidu search results in JSON format automatically using custom parameters. 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": {
"q": "Coffee"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"endpoint": "baidu-search",
"meta": {
"latencyMs": 1400
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"bs": {
"description": "Defines the previous search query.",
"type": "string"
},
"ct": {
"description": "which language to restrict results. Available options: 1 - All languages 2 - Simplified Chinese 3 - Traditional Chinese",
"type": "string"
},
"device": {
"description": "device to use to get the results. It can be set to desktop (default) to use a regular browser, tablet to use a tablet browser (currently using iPads), or…",
"type": "string"
},
"gpc": {
"description": "time period for results. (e.g., stf=1792257456,1792862256 stftype=1 only returns results from the past 7 days. First integer within the parameter, 1792257456…",
"type": "string"
},
"oq": {
"description": "Defines the original search query when navigated from a related search.",
"type": "string"
},
"pn": {
"description": "result offset. It skips the given number of results. It's used for pagination. (e.g., 0 (default) is the first page of results, 10 is the 2nd page of results,…",
"type": "string"
},
"q": {
"type": "string"
},
"q5": {
"description": "Similar to using inurl: or intitle: . (e.g., 1 to search by page title, 2 to search by web address.).",
"type": "string"
},
"q6": {
"description": "Similar to using site: .",
"type": "string"
},
"rn": {
"description": "maximum number of results to return, limited to 50. (e.g., 10 (default) returns 10 results, 30 returns 30 results, and 50 returns 50 results). This parameter…",
"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": "Baidu 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/baidu-search",
"scheme": "exact",
"validUntil": 1793029540,
"version": 1
},
"signature": "0xb32014676c09794f83108333b972ddc8b81bcccf2ae3fd528492b983dc9afb792d9ee26d902ded9498578c08616f1fdc5eb2ccce51db54ac01e2593d2d4bd9901b"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"resourceUrl": "https://serp402.com/api/v1/baidu-search",
"scheme": "exact",
"validUntil": 1793029540,
"version": 1
},
"signature": "0x4c15af00f8dcb62097abcf19e16cbf4053908decc5a776d7d181f5de1bd89f623037adba825642c5dee59af6e31d3c48cbc43237624416c229c0856ea5b643711c"
}
]
},
"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": "2026-10-26T15:43:40.547Z",
"quality": {
"lastCalledAt": "2026-10-26T15:27:08.045Z"
},
"resource": "https://serp402.com/api/v1/baidu-search",
"serviceName": "serp402",
"tags": [
"search",
"baidu",
"x402",
"agents",
"api"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Baidu: Scrape Baidu search results in JSON format automatically using custom parameters. 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":"2155f14c4245987bdb17d5de80c2338872a73e77198a9d29c90ee038e53001de","id":257491,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029765505871,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/baidu-search","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).
- 0x8052de33870a4d16def5597ccc4b271a74722b9ece73a1f1ddb99abda4762c4e
- 0x254a3abf06c378f496fb3d7f65b01ffedd753dbbe8b711987a8e7fb71027a45b
- 0x2ea842b6c313b625c81c96913a86a18c1d44216d39787abd89385049561d2172
- 0x68928011149bc1e3ab8a7b82fccc8283aa850431058f5287e324747185822b53
- 0x2285f0de3f86484555f10613ab9dd2a4a60e44649409a56e4caa843962a331ca
- 0x6de42213673f3667f6c3ccb47b7cfb2499351e67ad0b81832a896a4b96f5ae93
- 0xf006f4a931689a0536a3326eb1c3c691ce28e0c4292ade02025f6084b2f5a92b
- 0x1104382ea6a3173c36d1d0e7265f4486b0c240de38e5332f3eb52209b5d9ce94
- 0x637827a28e0b85d18358866209464afde9e659fc04c11e1c200e7c852c578d17
- 0x15c5749acf6e438b0810eb58256d5489413257c72393a4d6db9114e07e5b4598
- 0x62490dd1c15d5301c6fb2c08f1d6ceb3a0d4c216f6e742424332881907db0fcd
- 0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
- 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae