# Validate a QR IBAN. QR IBANs are regular IBANs. The only special thing is that the IID (institutional identification) is in the QR-IID range. QR-IIDs consist exclusively of numbers from 30000 to 31999. Endpoint: POST /v2/qr-iban/validate Version: 2.0 Security: X-API-Key, api_key