Pay your AT&T Universal card bill online at Universalcard.com. Enter your username and password in the corresponding boxes under the Sign On to Your Account heading located on the right of the home page. Click Sign On. Locate the payment section and follow the prompts to pay the bill.
Click the Register link to sign up for an account if you are a first -time user. Select AT&T Universal Business Rewards Card from the drop down menu under the Provide Account Information heading. Enter your credit card number, CVV and create a security word. Optionally, you may provide an email address, create an account nickname and indicate where you heard about the website. Click Continue. Complete all required fields to create an account. Once the account is active, log in to make an online payment.