When you make a submission that requires payment, your credit card information will be automatically saved in your profile. You can find it by clicking on Profile > Settings. The next time you make a submission that requires payment, this information will automatically populate in the credit card information box for your convenience.
How can I delete my saved credit card information?
To delete a saved credit card from your account, click on the trash icon to the right of the credit card in your Profile Settings.
How can I update or add a credit card to my Submittable account?
To add a credit card, use it the next time you need it, and it will automatically and securely be saved to your account.