Contact
How can we help?
Send us a short message. Whether your question is about IBAN checks, API access, your account or an invoice: we will get back to you as soon as possible.
* required field
Bank data validation
Validation against bank directories
For these countries, we check IBANs against available bank directories and return bank details such as institution, city and BIC when available.
ATAustria BEBelgium BGBulgaria HRCroatia CYCyprus CZCzech Republic DKDenmark EEEstonia FIFinland FRFrance DEGermany GRGreece HUHungary IEIreland ITItaly LVLatvia LILiechtenstein LTLithuania LULuxembourg MTMalta MEMontenegro NLNetherlands NONorway PLPoland PTPortugal RORomania SMSan Marino RSSerbia SKSlovakia SISlovenia ESSpain SESweden CHSwitzerland VAVatican City
IBAN syntax check
Format checks for 115 IBAN formats
Check IBANs for a valid structure, correct length and checksum. This helps you catch typos and transposed digits before a payment fails. Additional bank validation against real bank directories is available for the countries listed above.
API and automation
Automate IBAN validation
Validate IBANs in payment forms, SaaS products, SEPA workflows and AI agents. Use the REST API for automation or connect AI clients through MCP.
IBAN Validation APIAutomated IBAN checks for apps, forms and payment flows. IBAN Check APIValidate format, check digits and available bank data. SEPA IBAN Validation APIReduce failed SEPA payments before submission. MCP Server for AI AgentsConnect AI tools to IBAN validation, BIC checks and usage data.
MCP Server for AI Agents - Connect AI clients to IBAN validation tools - https://www.iban-test.eu/mcp - MCP Documentation