ibanworld is our free platform for IBAN validation, BIC lookup and bank data queries. Checks run instantly in the browser or via the REST API — no registration required.
Built for developers who want to integrate IBAN checks into their own forms or backend systems, and for anyone who needs to verify an IBAN or BIC quickly without signing up.
Includes ISO 13616 IBAN validation, BIC lookup for the associated bank, a German Bankleitzahl (sort code) lookup, and a REST API for programmatic use in your own applications.
Yes. IBAN validation in the browser is free and needs no registration. For higher API limits, dedicated API keys are available via the Digi Soft Hub.
Country format, length and check digits according to ISO 13616 for 77 countries; for German IBANs also the bank code and bank. Important: a valid IBAN does not mean the account exists — only the bank can confirm that.
Yes, via the REST API with JSON responses — ideal for forms, onboarding flows or backend checks.
Online platform for IBAN validation, BIC lookup, and bank data queries — fast, free, and no registration required.