If a timeout occurs on the PayPay side, is the cancellation process executed by PayPay? If so, what should the merchant system do? August 14, 2024 05:37 Cancellation is done on PayPay side. There is no particular implementation by the merchant. Related articles Tell me how to handle API timeout. What will happen if QR code is timeout? What is the reason for the refund failure? Cannot redirect to merchant app on Android At what timing can the execution result of cashback be checked?