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IBAN Validator
x402
IBAN Validator is a paid API for AI agents from agent-data-tools.revmesh2074.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).
Validates an IBAN string, returning its validity, country code, formatted version, and any error reasons
Price / call$0.01
Success—
StatusUnknown
How this service works
Check an IBAN's format, its country-specific length and its mod-97 check digits, and return it formatted in groups of four. Use before saving bank details or paying out.
Output
A JSON object containing: the original IBAN string, a boolean 'valid' field, the two-letter ISO country code extracted from the IBAN, a 'formatted' version with spaces every 4 characters for readability, and a 'reasons' array listing any validation errors (empty if valid).
Example use cases
Pre-payment IBAN verification
“Before I submit this wire transfer, can you verify that the recipient IBAN GB29NWBK60161331926819 is valid and properly formatted?”
User-submitted form IBAN check
“A customer just entered DE89370400440532013000 as their bank account number on our form — is that a valid IBAN and what country is it for?”
Bulk onboarding data cleanup
“I have this IBAN from an onboarding form: FR7614508590001234567890143 — can you validate it and give me the formatted version with spaces?”
Technical details
Endpoint
GEThttps://agent-data-tools.revmesh2074.workers.dev/validate/iban?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to validate a single IBAN before processing a payment, onboarding a user, or storing banking data. It's ideal for real-time form validation, pre-transfer checks, or enriching financial records with country and formatted output. At $0.001 per call with no API key required and no charge on failure, it's well-suited for lightweight per-transaction validation in automated agent workflows.
Side effects
- Missing 'iban' query parameter returns an error response
- Completely malformed input (non-alphanumeric) may return valid=false with reasons
- Very short or empty strings return valid=false with descriptive reasons
- Network/worker downtime returns HTTP 402 or 5xx without charge
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| ibanrequired | string | The IBAN, spaces allowed |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| iban | string | |
| valid | boolean | |
| country | string | |
| reasons | array | |
| formatted | string |
Tags
x402
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