You can make a payment using an automated system or by speaking with a representative. Best Buy Credit Card: Rewards & Financing

The most efficient way to manage your balance is through the Citibank Online Portal or the Best Buy mobile app .

: If it's your first time, you'll need your card number, name, security code, and the last four digits of your Social Security number to register.

: You can schedule recurring monthly payments from a linked bank account to avoid late fees. 2. Pay by Phone

: Use your My Best Buy credit card credentials at BestBuy.AccountOnline.com.