Validate up to 2000 IBANs in one call
Validate up to 2000 IBANs in one call. Returns a per-IBAN result (checksum, country, bank code, SEPA) plus totals and a per-country breakdown. Ideal for cleaning payee lists, payroll or invoice files. Input: {"ibans":["DE89370400440532013000","RO49AAAA1B31007593840000"]}. $0.025 USDC per call on Base.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
988 msmedian answer time
$0.025listed price per call
$0.025price 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://api.ibancheck.co.uk/api/valideaza-iban/batch
| Category | Code and developer |
|---|---|
| Provider host | api.ibancheck.co.uk |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.025 | 988 ms |
Example input (from the provider)
{
"body": {
"ibans": [
"DE89370400440532013000",
"RO49AAAA1B31007593840000"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"ibans": {
"items": {
"maxLength": 64,
"type": "string"
},
"maxItems": 2000,
"minItems": 1,
"type": "array"
}
},
"required": [
"ibans"
]
},
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}