The Chartboost Unity Sample Code by Chartboost shows developers how to integrate charts into game monetization applications. They can integrate video ads, customize interstitials, and target analytics. SDK available for download.
While some folks tend to think about APIs are being little bits of arcane code that only developers care about it, the truth of the matter is that billions, possibly even trillions, of dollars are at stake in what will soon be a series of API wars. In no place is this more important than in mobile banking, where companies ranging from Google, the PayPal unit of eBay and lesser known entities such as MineralTree are all vying to usurp the role of traditional financial institutions.
Micro-commerce is an emerging global trend, from the microcredit pioneered by Nobel Prize winner Muhammad Yunus, to micropayment systems offered by companies like ZayPay. ZayPay is used for payments for online services, game sites, dating sites, and others. And now they have an API.