With Apple Pay already available as a payment method on apps including Uber and in chains such as Duane Reade, Apple has announced it is taking on the next payment frontier in moving online.
Apple is working to make Apple Pay an option for in-browser payment when using Safari, which it expects to launch later this year.
The move would pit Apple more directly against PayPal, which is a popular alternative payment method on countless retail websites. PayPal offers a mobile payment product for websites and apps called One Touch, which is used by more than 250 of the top 500 online retailers. But Apple Pay is still a quicker and cleaner express-checkout option for iPhone users and can now compete with PayPal on more checkout pages.
http://recode.net/2016/03/23/apple-pay-coming-to-mobile-websites-before-holiday-shopping-season/