← The evidence ledger
Evidence row 123617
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://usaref.dev/v1/taxid/validate
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d780f99d49b645c64eef81c4d6d566979e0791a61b3ef61eff13fb2fe68c2252
- Leaf
- 0x3bb2ae3e11e2faa6608e502fac0443fc9e79339bec9baebcd3bea61227f9d476
What was observed
{
"endpoints": [
[
"x402",
"https://usaref.dev/v1/taxid/validate"
]
],
"name": "Usaref - N America reference",
"owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
"scheme": "exact"
}
],
"description": "Tax-ID / VAT-number validation for North American countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"country": "us",
"id": "12-3456789"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"country": {
"description": "ISO 3166-1 alpha-2 country code on this brand (see GET /v1/taxid/coverage)",
"type": "string"
},
"id": {
"description": "The tax ID / VAT number as written (spaces, dots, dashes and the VAT country prefix are accepted)",
"type": "string"
}
},
"required": [
"country",
"id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792873785/bazaar-icons/c589509d7f7c71f9.png",
"lastUpdated": "2026-10-24T23:11:15.76Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-24T23:11:14.556Z"
},
"resource": "https://usaref.dev/v1/taxid/validate",
"serviceName": "Usaref - N America reference",
"tags": [
"tax-id",
"vat-number",
"validation",
"kyb",
"north-america"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Tax-ID / VAT-number validation for North American countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup"
}What the leaf hashes
{"body":"d780f99d49b645c64eef81c4d6d566979e0791a61b3ef61eff13fb2fe68c2252","id":123617,"kind":"listing","method":"baseline/1","observed_us":1793025623386068,"prev":null,"subject":"x402_bazaar:https://usaref.dev/v1/taxid/validate","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.