Verified
Identifier Check
Offline validation for IBANs, EU VAT numbers, payment cards and mixed batches using checksum algorithms and bundled static bank/BIN data.
Offline validation for IBANs, EU VAT numbers, payment cards and mixed batches using checksum algorithms and bundled static bank/BIN data. Pure computation, no caller API key, no outbound provider dependency. The gateway meters access per request over x402.
Base URL
https://gateway.apiosk.com/financial-identifiers
Endpoints
POST
/validate/batch
$0.02
Validate up to 500 mixed financial identifiers in one call. Each item may specify type iban, vat, card or auto.
POST
/validate/card
$0.02
Validate a payment card number with Luhn and classify the network from bundled static BIN range rules.
POST
/validate/iban
$0.02
Validate IBAN country format, length, mod-97 checksum and return a bundled static bank-code lookup when known.
POST
/validate/vat
$0.02
Validate an EU VAT number with per-country syntax and available offline checksum algorithms.