Websites that accepts payments with American Express.
Giropay is an Internet payment System in Germany, based on online banking.
Website accepting payment using Mister Cash (Bancontact) debit card.
Stripe is a developer-friendly way to accept payments online and in mobile apps.
MasterPass is a free service that is provides a way to check out online.
Klarna Checkout takes the tries to take the hassle out of buying on mobile devices.