Log into your APFusion account via shop.apfusion.com or from the app on your desktop.
Once logged in, start from the home page, and navigate to the “Settings” tab on the left side.
Next, navigate to the “Payment Methods” section in your settings.
You will be directed to a new page, then select “ADD PAYMENT METHOD”
You will then be asked to enter the card details, afterwards click
"SAVE PAYMENT METHOD"
You can now select which payment method to save as your default