The Citibank credit card application process is:

1. Official website application:

1. Enter the Citibank official website credit card application page, select the credit card you want to apply for, and click Now Apply;

2. Check the page prompts, and then click "I know, start applying";

3. Fill in personal information, including name, ID number, email, income, Occupation, unit name, education, address, work place, etc.;

4. After completing the filling, check the relevant agreement, enter the mobile phone number and verification code, and then click "Submit and Complete".

2. WeChat application:

1. Follow the "Citibank Credit Card" official account on WeChat;

2. After entering, click "My Card" —"Card Application";

3. Select the credit card you want to apply for and click "Apply Now";

4. The application process below is the same as that on the official website.