Log in to your Alipay account and choose credit card repayment.

To use Alipay to repay someone else’s credit card, you need to log in to your own Alipay account. Find the credit card repayment option on the Alipay interface and follow the instructions. You need to enter the other party’s credit card number, repayment amount, repayment method and other information. Alipay will provide a safe payment environment to ensure the safety of your payment information and transactions.