IBAN guides
- How to find your IBAN: bank app, statement, online bankingPractical guide to finding your own IBAN: where it appears in banking apps, on statements, on cards and in online banking, plus what to do if you can't find it.
- IBAN check digits explained: the mod-97-10 algorithm for developersHow IBAN check digits work: the ISO 7064 mod-97-10 algorithm step by step, a worked example, pseudocode, and the pitfalls that break naive implementations.
- IBAN vs account number vs BIC: what's the difference?Clear comparison of IBAN, domestic account number and BIC/SWIFT code: what each identifies, how they relate, and which ones you need for which transfer.
- Verification of Payee (VoP): why a valid IBAN is not proof of anythingWhat Verification of Payee is, how the EU Instant Payments Regulation introduced it, what banks check since October 2025, and why valid IBANs can be wrong.
- What is an IBAN? History, structure and how it worksWhat an IBAN is, where it came from (ISO 13616, SWIFT as registration authority) and how its parts fit together: country code, check digits and BBAN.
- Why this site has no bulk IBAN generator, CSV export or APIA transparent explanation of why we deliberately don't offer bulk IBAN generation, exports or an API, and what to use instead for CI and automated testing.
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