The Apple Card now has a website where you can pay your bills

Apple has added a web portal where Apple Card users can pay their bills and manage their cards online instead of requiring that they use the Wallet app (which was previously the only way to manage the card).

Financing and Credit - Apple

If you see an Apple Services charge you don't recognize on your Apple Card - Apple Support

Apple Pay - Apple

Apple Card Comes to the Web

How to use Apple Pay in stores and online

Apple Pay

Let's Shop (and Save): Everything You Need to Know About the Apple Card

iPhone

How to view and pay Apple Card Monthly Installments - Apple Support

Can I only pay for my Apple Card through … - Apple Community