The E*TRADE PHP SDK is available to download from the developer platform site. Beginners and advanced developers could build their own trading application to analyze market data in real time. Resources include documentation, code examples, and developer support.
The key to any transaction whether in the online or physical world is the payment process. Payment is a common feature across desktop, web and mobile applications. PayPal is often the first choice that springs up on developers when they think of integrating payment into their applications. Developers want an easy to use API, sandbox testing, fair transaction fees and definitely less paperwork and wait time. Stripe aims to simplify the process of accepting payments on the Web with its easy-to-use Stripe API.
Popular "hyperlocal" news and information service Outside.in recently released an API (our Outside.in API Profile) that provides developers with a way to access up-to-the-minute, location-based news. Based on its “news around you” feature, Radar, the API provides access to various types of information, including the latest news stories, blog posts, Twitter tweets and more located within 1,000 feet of a specific location.