Different cards look different. There are many channels to apply for credit card payment code, such as UnionPay wallet, payment code and WeChat, and different apps have different application methods. Take Alipay as an example, the specific steps are as follows:

1. Find the "merchant service" option in Alipay my interface, and click Open;

2. Find the "Flower Collection" option in the merchant service interface, and click Open;

3. Find the "Open Credit Card Collection" option at the bottom of the flower collection interface, and click Enter;

4. Fill in the relevant information in the credit card collection interface, and click "Agree to the agreement and submit" below to complete the opening.