Your credit card on file is used for your Subscription billing and any Marketplace commission charges on your account.
You can update your credit card in a few easy steps.
First, click your Business Name in the upper right, then My Account.
Scroll to the Payment Methods section.
If you have more than one card saved to your account, you can switch your billing to a different card.
Select the card you wish to bill, then click Save Changes at the bottom.
To add a new card, click Add a card.
Enter your card information, then select Save Credit Card.
Next, select the new card. This will switch your billing to the new card.
You may then delete your previous card on file.
When you are finished, click Save Changes at the bottom.