Pineapple Pay is a Chrome extension developed by haydn.chapman that aims to simplify the testing of Apple Pay during development. As the name suggests, it mocks the ApplePaySession API from Safari, allowing developers to handle the basic development of ApplePay right from the comfort of Chrome.

One of the key features of Pineapple Pay is the ability to display the Apple Pay button for elements with the 'apple-pay-button' class. This makes it easier for developers to visually test the appearance and functionality of the Apple Pay button within their web applications.

Another useful functionality provided by Pineapple Pay is basic validation. It ensures that developers have correctly implemented the 'onvalidatemerchant' and 'onpaymentauthorized' functionalities, which are essential for the proper integration of Apple Pay.

With Pineapple Pay, developers can now conveniently test and debug their Apple Pay implementation without the need for an Apple device or Safari browser. This Chrome extension is a valuable tool for developers working on Apple Pay integration and provides a seamless testing experience.