You can add/edit the card associated with your account using the info below:
- Login at https://www.granitewebdesign.com/whmcs/clientarea.php
- In the top left "Your Info" section, click Update.
- Verify that the address info in the "My Details" form matches your billing address and update as needed.
- In the My Account sidebar, click on the "Billing Information" link.
- From this screen, you can delete the existing card on record, or add a new card.