When the user saves the clabe account and makes multiple successful payments, the callback parameter notification includes the realAmount that distinguishes each actual payment, the initial merchant order number mchOrderId, and the bankId of each payment order is unique and can be used as a prevention of duplicate and a prevention of generating new orders for duplicate purposes. The merchant must perform duplicate prevention checks on the bankId. An example of the actual callback is as follows
{"realAmount":"15.0","orderType":"PAYMENT","bankId":"CUS_375a18092921:ACC_4ef39ec5c22_1","amount":"15.0","createTime":"20240226031455","orderId":"202402251761952537422222222F","transIds":"TRX","orderStatus":"SUCCESS","mchOrderId":"M0023","failMessage":"Create F-pay order for the real amount. "}
{"realAmount":"10.0","orderType":"PAYMENT","bankId":"CUS_375a18092921:ACC_4ef39ec5c22_2","amount":"10.0","createTime":"20240226031954","orderId":"2024022517619525374222233232F","transIds":"TRX","orderStatus":"SUCCESS","mchOrderId":"M0023","failMessage":"Create F-pay order for the real amount. "}
