The present disclosure discloses a method and system for a cardless issuance system, which makes use of feature phones and runs by making use of Unstructured Supplementary Service Data (USSD) or Short Message Service (SMS) to send messages. The method comprises of an account holder requesting for pre-authorization for merchant purchases via issuer banking application and receiving a time-bound dynamically generated passcode through USSD/SMS. The method further comprises of the account holder, entering the time-bound dynamically generated passcode (provided by issuer) at the POS along with the Primary Account Number (PAN), and one or more other details. The method finally comprises of an acquirer host system, pushing an approval response to the POS terminal, post internal verification of the details.
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PATEL, BHARAT KUMAR; JAGANATH, VAHINIDEVI; and PETER, SISEKO, "CARDLESS PAYMENT TRANSACTION DEVICE AND METHOD", Technical Disclosure Commons, (August 28, 2023)