← The evidence ledger
Evidence row 69692
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.vextorium.com/metadatos-seo-pago
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5e9c70ce92176dbb52d126ddcb90d9bb841629b3779b075fbc15af147f39c8c7
- Leaf
- 0x059b6441c458db5311ef61d57ba51f5b089062e17178bc9b7bf1dfea4dc11f10
What was observed
{
"endpoints": [
[
"x402",
"https://api.vextorium.com/metadatos-seo-pago"
]
],
"name": "SEO & social meta audit",
"owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "4000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
"scheme": "exact"
},
{
"amount": "4000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "4000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"assets": [
{
"address": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:10",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "4000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"assets": [
{
"address": "0x3600000000000000000000000000000000000000",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "0.004",
"asset": "524C555344000000000000000000000000000000",
"extra": {
"areFeesSponsored": false,
"invoiceId": "C6845A4913BB4628AAA35E373C2F1B1D",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
"scheme": "exact"
},
{
"amount": "3080",
"asset": "XRP",
"extra": {
"areFeesSponsored": false,
"invoiceId": "8746B7FA4884480EAC96434226482649",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
"scheme": "exact"
}
],
"description": "SEO and sharing metadata of a page: title and description with length, canonical, robots, language, hreflang, Open Graph, Twitter Card, JSON-LD types, favicon, H1/H2, plus warnings (missing tags, noindex, multiple H1).",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://vextorium.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"avisos": [
"Descripción de más de 160 caracteres."
],
"canonica": "https://vextorium.com/",
"codigo": 200,
"descripcion": "232 pay-per-call data APIs for AI agents: official statistics and economy (ECB, Fed, Eurostat, World Bank, SEC, BOE, INE), crypto prices and sentiment, Spanish public data, compliance (sanctions, VAT, IBAN, LEI), science, weather, web and developer tools and local AI text tools. Pay in USDC via x402.",
"descripcion_longitud": 301,
"favicon": "https://vextorium.com/icono.svg",
"h1": [
"Data APIs your AI agent pays for per call ."
],
"h2": [
"Why Vextorium",
"Services by sector",
"How it works"
],
"hreflang": [],
"idioma": "en",
"json_ld": [],
"open_graph": {
"og:description": "232 pay-per-call data APIs for AI agents. Pay in USDC on Base, Solana, Polygon, Optimism or Arc, or RLUSD or XRP on the XRP Ledger with x402. No accounts, no API keys.",
"og:image": "https://vextorium.com/og.png",
"og:image:height": "630",
"og:image:width": "1200",
"og:title": "Vextorium — The x402 Payment Engine",
"og:type": "website",
"og:url": "https://vextorium.com/"
},
"robots": null,
"titulo": "Vextorium — The x402 Payment Engine",
"titulo_longitud": 35,
"twitter": {
"twitter:card": "summary_large_image",
"twitter:image": "https://vextorium.com/og.png"
},
"url_final": "https://vextorium.com/"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"url": {
"type": "string"
}
},
"required": [
"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": {
"avisos": {
"items": {},
"type": [
"array",
"null"
]
},
"canonica": {
"type": [
"string",
"null"
]
},
"codigo": {
"type": [
"number",
"null"
]
},
"descripcion": {
"type": [
"string",
"null"
]
},
"descripcion_longitud": {
"type": [
"number",
"null"
]
},
"favicon": {
"type": [
"string",
"null"
]
},
"h1": {
"items": {
"type": [
"null",
"string"
]
},
"type": [
"array",
"null"
]
},
"h2": {
"items": {
"type": [
"null",
"string"
]
},
"type": [
"array",
"null"
]
},
"hreflang": {
"items": {},
"type": [
"array",
"null"
]
},
"idioma": {
"type": [
"string",
"null"
]
},
"json_ld": {
"items": {},
"type": [
"array",
"null"
]
},
"open_graph": {
"properties": {
"og:description": {
"type": [
"string",
"null"
]
},
"og:image": {
"type": [
"string",
"null"
]
},
"og:image:height": {
"type": [
"string",
"null"
]
},
"og:image:width": {
"type": [
"string",
"null"
]
},
"og:title": {
"type": [
"string",
"null"
]
},
"og:type": {
"type": [
"string",
"null"
]
},
"og:url": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"robots": {},
"titulo": {
"type": [
"string",
"null"
]
},
"titulo_longitud": {
"type": [
"number",
"null"
]
},
"twitter": {
"properties": {
"twitter:card": {
"type": [
"string",
"null"
]
},
"twitter:image": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"url_final": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-21T01:41:31.899Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-21T01:41:31.398Z"
},
"resource": "https://api.vextorium.com/metadatos-seo-pago",
"serviceName": "SEO & social meta audit",
"tags": [
"seo",
"metadata",
"open-graph",
"audit",
"marketing"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "SEO and sharing metadata of a page: title and description with length, canonical, robots, language, hreflang, Open Graph, Twitter Card, JSON-LD types, favicon, H1/H2, plus warnings (missing tags, noindex, multiple H1)."
}What the leaf hashes
{"body":"5e9c70ce92176dbb52d126ddcb90d9bb841629b3779b075fbc15af147f39c8c7","id":69692,"kind":"listing","method":"baseline/1","observed_us":1793025478806510,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/metadatos-seo-pago","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).
- 0x059b573f30b6494e4a97d8f75f36c16d395402e7d93bcc1373fb6b06e3a9b0d6
- 0xa479d2a5977fb8033f494c120e6237d0008fb6ff9dee2983fcbaba29a98b6e4b
- 0xbca71d5a8edd0fc0b4035b274f9f58cd19446301c1c00fab158d51569c9d1cd2
- 0x26f409206c406294b7ab3ce620a96115eafb34aad7c5b415bac4a4b900e81d6d
- 0x415b31e5e878949eef4f24e922595c748f73946d26cc84ba23cac74b90c57b88
- 0xbbb392307efcabc0f19b57783e1df9175cc3b81a21975be52942390ab9f25585
- 0x27c528fb8e7a48c8ad4adcaa973157fe7d3a63f283539da2d07dfbd545fab79a
- 0xb3848dc3ee99873dec25f97a607d5d6e6bf425c320a45fd1cd3cabf2f9ac3a63
- 0x722fbb07d5dbdec6b342192af17963d74b052eb7d6398822992a7843a87d580e
- 0x29a79a1e444b726bf2db966f6ad9d0448d93ae7b7180fd783a410b336c52af9b
- 0x88fb9d02ea6ed7254b70cfe02388b31c183a7a709aad6303948d66f85ad516b1
- 0x7910a200eb458bec3c3badb3b2ead3e75cec5f3ba263800cea6b9f32efb53f25
- 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae