Cryptsy offers bitcoin and digital currency trading services. The Cryptsy Node.js library created by Ek Palmer contains an illustrated example to demonstrate a list of all markets that participate in trade events. What the API does for users is to allow the query of general market data and orderbook data. Additional information such as market data, transactions, and execution of trades is available with authenticated methods.
Every year 15 million people are victimized by identity theft in America alone. Identity theft is an ever-present concern in the minds of consumers worldwide and the continued migration of commerce to the internet is only exaggerating the issue. Barzahlen, an online payment solution in Germany, is thinking outside the box and presenting an interesting alternative to online payment. Using the Barzahlen API developers can offer Barzahlen as a payment option in their online stores. Selecting this payment option would allow customers to claim the product online, then take a receipt to a physical Barzahlen location to process the payment in person.
Of the many things that developers need to worry about when attempting to create a successful app, two points rise to the top. First, the app can't crash, and second, it has to respond to user input quickly. This is easier said than done, however, thanks to a deck that's stacked against developers. Crittercism spent a month collecting over 1 billion data points and determined which devices, operating systems, and networks best lead to stable - and profitable - apps.