How do I update my credit card information on Gumroad?
Eager to load up on Air Miles with your shiny new credit card? Let's do it!
Go to the Billing section of your Settings menu. Click Use a different card. And wait 5 seconds.
You can now enter your credit card information or connect your PayPal account to your Gumroad account for fast future purchases.
When you're good to go, click Update account details
See you in Trinidad!