Cheapest call
Cheapest call. Validates an IBAN (ISO 13616 mod-97 checksum, length and country) before you pay it. Returns PASSED or FAILED with a reason code. Irish (IE) IBANs pass by default.
Answers HTTP 200 without x402 payment termsour last check, 2026-10-18
0 of 1checks answered this week
n/amedian answer time
$0.005listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://supplier-payment-verifier-production.up.railway.app/v1/checks/iban
| Category | Code and developer |
|---|---|
| Provider host | supplier-payment-verifier-production.up.railway.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | no x402 terms | 200 | 1413 ms |
Example input (from the provider)
{
"body": {
"iban": "IE29AIBK93115212345678"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"iban": {
"description": "IBAN to validate (spaces allowed).",
"maxLength": 40,
"minLength": 5,
"title": "Iban",
"type": "string"
}
},
"required": [
"iban"
],
"title": "IbanCheckRequest"
},
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}