← The evidence ledger
Evidence row 76229
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://hcrb.in/v1/tools/iban-check/call
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8a933510bcc3830c4f9af926c575c9bfc72cb0384d0b1e97acf1688ea14da10c
- Leaf
- 0xa7ded1dd03f4619c74a606b4000e6ed016fc4e8f1ea78f064a5c94b0df8aa022
What was observed
{
"endpoints": [
[
"x402",
"https://hcrb.in/v1/tools/iban-check/call"
]
],
"name": "hcrb.in/v1/tools/iban-check/call",
"owner_address": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "code402 iban-check (standard floor — 1.0x reserve floor)",
"extra": {
"asset_caip19": "eip155:8453/erc20:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "USDC",
"decimals": 6,
"facilitators": [
"cdp",
"payai",
"openx402",
"uvd"
],
"multiplier": 1,
"name": "USD Coin",
"network_caip2": "eip155:8453",
"network_name": "base",
"payTo_caip10": "eip155:8453:0xc59c85e661d34084a7769f955d17fd38254a6235",
"pricing_source": "table_explicit",
"settlement_consumer": "consumer:evm:base-8453",
"tier": "economy",
"version": "2",
"vm": "evm"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/iban-check/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
"description": "code402 iban-check (base EURC — standard floor)",
"extra": {
"asset_caip19": "eip155:8453/erc20:0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
"currency": "EURC",
"decimals": 6,
"facilitators": [
"uvd",
"x402.rs"
],
"multiplier": 1,
"name": "EURC",
"network_caip2": "eip155:8453",
"network_name": "base",
"payTo_caip10": "eip155:8453:0xc59c85e661d34084a7769f955d17fd38254a6235",
"pricing_source": "table_explicit",
"settlement_consumer": "consumer:evm:base-8453",
"tier": "economy",
"version": "2",
"vm": "evm"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/iban-check/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"description": "code402 iban-check (polygon USDC — standard floor)",
"extra": {
"asset_caip19": "eip155:137/erc20:0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"currency": "USDC",
"decimals": 6,
"facilitators": [
"x402.rs",
"uvd"
],
"multiplier": 1,
"name": "USD Coin",
"network_caip2": "eip155:137",
"network_name": "polygon",
"payTo_caip10": "eip155:137:0xc59c85e661d34084a7769f955d17fd38254a6235",
"pricing_source": "table_explicit",
"settlement_consumer": "consumer:evm:polygon-137",
"tier": "economy",
"version": "2",
"vm": "evm"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:137",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/iban-check/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"description": "code402 iban-check (avalanche USDC — standard floor)",
"extra": {
"asset_caip19": "eip155:43114/erc20:0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"currency": "USDC",
"decimals": 6,
"facilitators": [
"x402.rs",
"uvd"
],
"multiplier": 1,
"name": "USD Coin",
"network_caip2": "eip155:43114",
"network_name": "avalanche",
"payTo_caip10": "eip155:43114:0xc59c85e661d34084a7769f955d17fd38254a6235",
"pricing_source": "table_explicit",
"settlement_consumer": "consumer:evm:avalanche-43114",
"tier": "economy",
"version": "2",
"vm": "evm"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:43114",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/iban-check/call",
"scheme": "exact"
}
],
"description": "Validate IBAN structure and MOD-97 checksum. Does not establish account ownership, beneficiary identity or absence of fraud.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"input": {
"iban": "GB82 WEST 1234 5698 7654 32"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"reason": "checksum valid",
"valid": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"input": {
"properties": {
"iban": {
"description": "IBAN to validate; spaces allowed.",
"type": "string"
}
},
"required": [
"iban"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"country": {
"type": "string"
},
"normalized": {
"type": "string"
},
"reason": {
"type": "string"
},
"scope": {
"type": "string"
},
"tool": {
"type": "string"
},
"valid": {
"type": "boolean"
}
},
"required": [
"valid",
"reason"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-24T14:56:33.116Z",
"quality": {
"l30DaysTotalCalls": 11,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-24T14:56:31.599Z"
},
"resource": "https://hcrb.in/v1/tools/iban-check/call",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Validate IBAN structure and MOD-97 checksum. Does not establish account ownership, beneficiary identity or absence of fraud."
}What the leaf hashes
{"body":"8a933510bcc3830c4f9af926c575c9bfc72cb0384d0b1e97acf1688ea14da10c","id":76229,"kind":"listing","method":"baseline/1","observed_us":1793025491821355,"prev":null,"subject":"x402_bazaar:https://hcrb.in/v1/tools/iban-check/call","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.