Amazon FPS vs Amazon Pay: What are the differences?

Developers describe Amazon FPS as "Charge Amazon’s tens of millions of customers using their Amazon account". With Amazon Flexible Payments Service developers can accept payments on their website for selling goods or services, raise donations, execute recurring payments, and send payments. Amazon customers can pay using the same login credentials, shipping address and payment information they already have on file with Amazon. Amazon FPS supports the processing of payments using credit cards, bank accounts and Amazon Payments account balances to send or receive money. On the other hand, Amazon Pay is detailed as "Lets you use the payment methods already associated with your Amazon account". It makes simple for millions of customers around the globe to check-in and checkout using information already stored in their Amazon account.

Amazon FPS and Amazon Pay can be categorized as "Payment Services" tools.

Some of the features offered by Amazon FPS are:

• Accept one time payments on your website for selling physical goods, digital content, and services
• Execute periodic or delayed payment features required by subscription and usage-based services such as digital music and online storage
• Facilitate transactions between a buyer and a third party seller, take a cut of the transaction, and have control over who pays the transaction processing fees

On the other hand, Amazon Pay provides the following key features:

• Identity
• Automatic Payments
• Inline Checkout