Validate an IBAN before you send money
Validate an IBAN before you send money. Returns valid/invalid, ISO 13616 Modulo-97 checksum, country, length and BBAN-format checks, bank code, SEPA reachability and clear error reasons. Deterministic, no account or API key. Input: {"iban":"DE89370400440532013000"}. $0.002 USDC per call on Base.
Not tested: has real-world effectsour last check, 2026-10-10
0 of 0checks answered this week
n/amedian answer time
$0.002listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.ibancheck.co.uk/api/valideaza-iban
| Category | Code and developer |
|---|---|
| Provider host | api.ibancheck.co.uk |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 4 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"iban": "DE89370400440532013000"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"iban": {
"maxLength": 64,
"type": "string"
}
},
"required": [
"iban"
]
},
"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"
}