How to remove or add credit card type
> How to remove American express and add Bankcard as an option in checkout?
There are 2 places to add/remove credit card types you accept:
1) "Credit card types" menu -> Check ones you do not accept -> click [Delete selected]. This list will be shown on the final checkout page for selection.
2) "Payment methods" menu -> "Credit card" -> Special instructions -> remove/add cards you want to accept. This special instructions will be shown on payment method selection page.