When you create your Gift Up! account we ask you to connect either your PayPal or Stripe account (you will need to create one of these accounts if you do not already have one!) The enables our checkout system to take payment for the gift cards you sell using your Paypal / Stripe account.
Here's how it looks from a customer's perspective if you have Stripe & PayPal connected:
What about Apple Pay & Pay With Google?
We also have full support for Apple Pay & Pay with Google, so if your customers are using a compatible browser and use those payment systems, they will see the appropriate alternative button to the credit card input, like this:
Here's how "Pay with Google" looks (we currently only enable this on mobile devices)