You can make Discover Card payments online by logging into your account at the official website of Discover card, explains Discover Card. If you have not registered for an online account, you must do so before making online payments.
Once you have created an online account, you are able to make payments, securely access your monthly statements, and view and redeem your rewards, says Discover Card. You can make payments at any time, including the payment due date. You can also keep track of account activity, locate transactions and analyze spending patterns with an online account. Cardholders can also make payments from a smartphone using Discover Card's mobile application.