This Pay.ON Apple Pay SDK integrates the Pay.ON Open Payment Platform API with Apple Pay for use on iOS mobile applications. This SDK currently is in Beta and works with iPhone 6 and iPhone 6 plus in the US region and supports Visa, MasterCard and American Express payment networks.
How can developers make money? That’s a big question in the mobile app space, and the answer is changing. There has been a gradual recognition over the past few years that one-time payment for apps (those “paid apps” that we avoid downloading if we can) is not the happy-face solution for most developers aiming to be compensated adequately for the creative work they do.
Payment options are not limited to cash, checks, or credit cards anymore. ECommerce and mobile tech have transformed the ways people buy goods and services in the past few years. Driving the new options are APIs. Here's a list of top APIs for Payments, according to traffic on ProgrammableWeb.