← The evidence ledger
Evidence row 69922
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.vextorium.com/v1/seo-audit
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2835ad0209679cae831c208b4a929dad931c377ec6fa45d71fd034f239d89778
- Leaf
- 0x79a08077d14e2ee620d9c6f004b40d3c21a4ceb2fd90ba9581de238a06d08118
What was observed
{
"endpoints": [
[
"x402",
"https://api.vextorium.com/v1/seo-audit"
]
],
"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": "334249AF5F184A50A4D994F207AA4C88",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
"scheme": "exact"
},
{
"amount": "3080",
"asset": "XRP",
"extra": {
"areFeesSponsored": false,
"invoiceId": "7E069228DAD045C88C03B35C78DA12ED",
"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": {
"canonical": "https://vextorium.com/",
"code": 200,
"description": "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.",
"description_length": 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": [],
"json_ld": [],
"language": "en",
"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,
"title": "Vextorium — The x402 Payment Engine",
"title_length": 35,
"twitter": {
"twitter:card": "summary_large_image",
"twitter:image": "https://vextorium.com/og.png"
},
"url_final": "https://vextorium.com/",
"warnings": [
"Description longer than 160 characters."
]
},
"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": {
"canonical": {
"type": [
"string",
"null"
]
},
"code": {
"type": [
"number",
"null"
]
},
"description": {
"type": [
"string",
"null"
]
},
"description_length": {
"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"
]
},
"json_ld": {
"items": {},
"type": [
"array",
"null"
]
},
"language": {
"type": [
"string",
"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": {},
"title": {
"type": [
"string",
"null"
]
},
"title_length": {
"type": [
"number",
"null"
]
},
"twitter": {
"properties": {
"twitter:card": {
"type": [
"string",
"null"
]
},
"twitter:image": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"url_final": {
"type": [
"string",
"null"
]
},
"warnings": {
"items": {},
"type": [
"array",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T21:36:23.903Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-20T21:36:23.617Z"
},
"resource": "https://api.vextorium.com/v1/seo-audit",
"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":"2835ad0209679cae831c208b4a929dad931c377ec6fa45d71fd034f239d89778","id":69922,"kind":"listing","method":"baseline/1","observed_us":1793025479169173,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/v1/seo-audit","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.