Amazon Pay

Amazon Pay is an online payment service that makes checkout fast and secure for the hundreds of millions of Amazon customers around the world. That’s because with Amazon Pay, Amazon customers can purchase items on other retail sites without creating a new account or entering credit card information. Shoppers can simply check out using the payment information and addresses stored in their Amazon account.

Common questions: https://pay.amazon.com/blog/common-questions-about-amazon-pay

How it works: https://pay.amazon.com/how-it-works/web-mobile