Read docs Updated 2026-06-18
What is Bank Data?
The API validates IBAN and SWIFT numbers in real time for any supported country.
It is useful for banks, payment processors, and financial platforms that handle international transfers.
What you can build with Bank Data
Fraud prevention in payment apps
Validate IBAN and SWIFT codes in real time before processing transfers to reduce failed or fraudulent transactions.
User onboarding for fintech platforms
Check bank details entered by new users during signup to ensure only valid accounts are linked.
Compliance checks for cross-border payments
Automatically verify international account identifiers to support regulatory requirements in money transfer services.
Get started with Bank Data
- 1Sign up on the provider site and obtain an API key
- 2Review the endpoint documentation for IBAN and SWIFT validation
- 3Build a POST or GET request including the bank identifier
- 4Add the API key to the request header for authentication
- 5Parse the JSON response to confirm validity and any error details
Bank Data: pros & cons
Pros
- +Worldwide IBAN and SWIFT coverage
- +Fast validation response times
- +Secure HTTPS transport
- +Simple API key authentication
Cons
- –API key required for all calls
- –Only provides validation, no extra bank metadata
- –Usage limits and pricing details not specified in description
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Frequently asked questions
It instantly validates IBAN and SWIFT numbers for accounts worldwide.
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