This is an unofficial Groupon PHP SDK for the Merchant API. Working with this kit could help developers to create mobile applications related to coupons and discounts that can benefit groups of customers. The API affords interaction using REST protocol. Authored by Abhinav on GitHub.
The Mobpartner API allows this global affiliate marketing platform to monetize you unfilled traffic in over 200 countries. Working with advertisers, marketers and publishers, Mobpartner has both REST and S2S HTTP APIs. Mobpartner uses as CPA model that allows for CPS, CPL and CPI actions. Responses are XML, JSON and XHTML, or directly through an XML feed.
Printful, a drop shipping service for custom print products and a product of the same team who created Startup Vitamins and BeHappy.me, has provided the Printful API that will allow people to easily integrate the functionality with their websites and applications. The service is specifically aimed at small and medium websites that want to offer print products, but don't want to handle the fulfillment and shipping of those products.
The initial releases from credit card provider MasterCard look to be more than a toe-dip into APIs. With its MasterCard Payments API and two others, the company could be diving straight into the deep end. Though the services are still in beta, MasterCard appears to be taking very seriously its creation of a developer ecosystem.