The Paymentwall Mint iOS SDK by Paymentwall allows to accept MINT payments using the "Buy" button. To integrate, developers can add the SDK to a new project, copy items, and include the root file. To copy resources, they can add MintResources.bundle. All references included on the official site.
Groupon, which calls itself a "social commerce site," is one of many online services that help consumers pool their buying power to get great deals. However, few companies can share Groupon's experience of attracting $135 million dollars from the same venture capital funds that helped grow Facebook and Zynga. To help third-party developers and affiliate members get the word out about its daily specials, Groupon has released a publicly available API.