iban vs swift9 min
IBAN vs SWIFT/BIC vs account number: what you actually need for an international transfer
A practical guide to the three banking identifiers people mix up. Learn when you need an IBAN, when you need a SWIFT/BIC, and what “account number” means across countries.
2025-12-25Read →
iban parser10 min
How to parse an IBAN: extracting bank code, branch code, and account number (country-by-country caveats)
A practical guide to breaking an IBAN into components. Learn what’s reliably extractable, what varies by country, and how to avoid common parsing mistakes.
2025-12-25Read →
iban check digits9 min
IBAN check digits explained (MOD-97): what it detects, what it can’t, and how to troubleshoot failures
MOD-97 is the checksum behind IBAN validation. Learn how it works, why it catches most typos, and how to diagnose common “invalid IBAN” cases.
2025-12-25Read →