This Activeledger NodeJS Sample Code demonstrates how to implement key cryptosystems. This creates asynchronous methods for RSA and elliptic curve algorithms. Additionally, exports, imports, and overwrites are handled as well.
Amazon has cemented itself as a top tier option for charging users thanks to its Amazon Flexible Payments Service API. The crowd-funding site Kickstarter has run hundreds of millions through the API, so it should also get some credit. Although, at Amazon, Kickstarter may get blame instead, having inspired many other sites, which eventually caused Amazon to turn away sites with similar concepts.
A partnership between a stock data site and open data platform Factual points to a potential direction of data sharing. Rather than build an API of its own, a company may choose to distribute its data through another platform, which in turn has the API for developers and other partners to access. That's the choice StockPup made and if monetization options were in place, others might do the same.
Earlier this week, ProgrammableWeb reported that Amazon has released an In-App Purchasing API for applications and games developed for Mac and PC platforms. A Kindle Fire In-App Purchasing API has been available in the Amazon Mobile App SDK since early last year. Amazon has now announced that another tool will be made available for developers to monetize games and applications; Amazon Coins, a new virtual currency for Kindle Fire that will be launched in the U.S. this May.