← The evidence ledger
Evidence row 266158
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://serp402.com/api/v1/facebook-profile
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 497f3c0407b0d1dfdecfafe9b66f2d24708908133c27767b51c61069fb45ff32
- Leaf
- 0xde62500da5177edb87f20d368b7eed3abff3c6b7634dfa4858e272b22f6d5f73
What was observed
{
"endpoints": [
[
"x402",
"https://serp402.com/api/v1/facebook-profile"
]
],
"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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"scheme": "exact"
}
],
"description": "Facebook Profile: Profile name, description, posts, photos, 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": {
"profile_id": "nasa"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"endpoint": "facebook-profile",
"meta": {
"latencyMs": 1400
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"profile_id": {
"description": "Facebook profile ID. You can find it in the URL of the profile page. For example, in https://www.facebook.com/Meta , the profile ID is Meta ; in…",
"type": "string"
}
},
"required": [
"profile_id"
],
"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": "Facebook Profile 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/facebook-profile",
"scheme": "exact",
"validUntil": 1793028706,
"version": 1
},
"signature": "0x8a19a4a64b054c3b4ee640f53ab128bc444efe53da4b188c73bfa8f0a6b8d4365433485ebe82fb0dc69439b239562615e24dada3950c233a3fe8b73e4f2f576b1c"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"resourceUrl": "https://serp402.com/api/v1/facebook-profile",
"scheme": "exact",
"validUntil": 1793028706,
"version": 1
},
"signature": "0x9b9d6f5b7b949470800a4ab094719b795055078b290a0e4f45eedaa7e9694f0e24e64b702ecf713f43b1e9cd286faa877c471d74120c7046c0f40ad5808e76121c"
}
]
},
"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": "2026-10-26T15:29:46.351Z",
"quality": {
"lastCalledAt": "2026-10-26T15:29:46.351Z"
},
"resource": "https://serp402.com/api/v1/facebook-profile",
"serviceName": "serp402",
"tags": [
"social",
"facebook",
"profile",
"x402",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Facebook Profile: Profile name, description, posts, photos, 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":"497f3c0407b0d1dfdecfafe9b66f2d24708908133c27767b51c61069fb45ff32","id":266158,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793035109384769,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/facebook-profile","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).
- 0xde629af3bfa5738740afa6c9280726900fa8cb5dc4463204254200939e47786f
- 0xea85b521c7327216e2fa90f38f0c516480ed28a06fa41a7c3a95cec50c542479
- 0xbcdeebcf32665e7b8a4d62a67f2aa81b5025d8f71b2d7a404538fa2983dadeb2
- 0xe708c67b38b11b018d8bf3ec0241d72f39d4bfbd0067a8e3380c6fbdec09ce77
- 0x75470e85efa4a71fade1a3a0b7162b98ea292af31c5401f56e247daeb993b614
- 0xec75068d144895141483db7448516cafd4b0ef0c35114ddb480bee9b078c3e7d
- 0x013a78e43f0f22265c63d1abaf3b426e5aefe76d6336092f3c357b65c0dec1aa
- 0xee7e1e1638cc8f872a6e973cd267f5d44f8ff0e8d90ad348cb71fc8b3d665640
- 0x90f31318bc82c2efd70ef8f428dd812029c877364777efb309b6cd0e23a8c458
- 0x2d9d6462afc5b1463c70c3ad7bab0bbd60dd232ca8386916ee54414b71a3db6e
- 0x85202061e6a75f8df085f0bff56604cbc8349d53f71525ea3c173296a57488dc
- 0xd5d3f9a510ef9bc1156a86fc24b9d0c3a67b96d7c1dad1563f35f879e0ac9b4b
- 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae