: Payments made before midnight ET are credited on the same calendar day.

:If you don't want to sign in, use the Best Buy Guest Pay tool. You will need to verify your identity using your card number, name, and security code. Key Deadlines and Details

: You can also pay via the Citibank mobile app by selecting your card and tapping "Make a Payment" . Other Fast Payment Methods

: You can enroll in Autopay through your online account to automatically pay your minimum or statement balance each month.

: Text PAY to 81964 from the mobile device linked to your account. This requires you to have a payment account already saved on the Best Buy Account Online site .

To pay your online, you can use the official portal managed by Citibank . You have two main online options: logging into your account for full management or using a "Guest Pay" feature for a one-time quick payment. Online Payment Options

:Log in at Citi Retail Services with your User ID and password. Once signed in, click on "Make a Payment" . You will need your bank's routing and account numbers to complete the transfer.