The Bloomberg API provides free, unrestricted access to raw financial data on current market trades (either real-time or delayed), reference data on historical information, and records of intraday trading. This library, for use with Windows OS, allows users to interface with the API from within Java. As part of their Open Market Data Initiative both the API and library are offered under a "free-use" license, which allows unrestricted access to the interface's header files, along with documentation and programming examples. Extensive documentation, including code examples, is available in the Developer Documentation and at the API website.
In a pragmatic new article for Wall Street and Technology entitled Mashups Slowly Gain Traction on Wall Street, Melanie Rodier provides an overview of how a growing number of financial firms have started turning to mashups to save money and improve operations. The article highlights a new report by the Aite Group that projects that financial firms will spend $35 million on mashup technology in 2009 and includes several insights from Adam Honore, author of the report.
Intuit QuickBooks may be the most popular financial software in the United States--one consulting firm reports that Intuit's accounting and tax programs control more than 90% retail market share--but the company has struggled with moving its desktop-based software into the cloud. Sure, there's an API for QuickBooks Online, but what about the many offline users who continue to rely on the finicky helper program QuickBooks Web Connector?