Payto¶

RFC 8905: payto: Uniform Identifiers for Payments and Accounts¶

Like mailto:, but for bank accounts instead of email accounts!

payto://<PAYMENT-METHOD>/<ACCOUNT-NR>
    ?subject=InvoiceNr42
    &amount=EUR:12.50

Payment methods (such as IBAN, ACH, Bitcoin) are registered with IANA and allow extra options