IBAN validation: mod-97 checksum, country, expected length, bank/branch code split and a formatted version. Payment-form validation without a banking API. $0.01 per check.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0x91D5...0abd |
| Base Sepolia | exact | $0.01 USDC | 0x91D5...0abd |