What is Amazon Pay?
Amazon Pay is a payment option you can provide on your website or any other application controlled and/or operated by you on which products are listed and offered for sale by you or by other third party merchants ("Site"). Amazon Pay enables Amazon customers to use information stored in their Amazon Accounts to make purchases on your Site. It allows customers a convenient and secure way to pay for their purchases by accessing their Amazon Account and selecting a payment method. It provides a familiar and trusted payment experience that can help improve conversion on your Site.
With Amazon Pay, you place buttons on your checkout or cart pages that allows your customers to use their Amazon Account credentials for choosing the payment options from their Amazon Account.