At present, there is no handling fee for paying back credit cards with fast money and Tenpay. Quick money is currently in the promotion period, so there is no handling fee, but it is hard to say whether it will be collected in the future. You can pay attention to its website description. Alipay seems unable to repay the credit card at present.
Using the above two methods to repay the credit card of any bank, whether it is the repayment bank or the repaid bank, there is no handling fee.