For developers using OS X and Perl, the Bloomberg API offers this library. OSX users should also note that the OSX libraries are only compatible with OSX 10.7 and later, and can only be used with the Bloomberg Server API and B-Pipe data feed products (not the Desktop API). 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. As part of their Open Market Data Initiative the library is offered under a "free-use" license, which allows unrestricted access to the interface's header files, documentation, and programming examples.
Canada’s Yellow Pages Group (YPG) is launching a new developer ecosystem to support and stimulate startup innovation in the local search and location based services market, including a certified developer program and four ways to monetize applications. The new developer ecosystem comes partly from the group's work with hackfests. “We got tired of seeing all these great ideas die after the hack, we wanted to make sure these potential local search apps were brought to market," YPG's Bradley Wing said. YPG understands the YellowAPI is a natural extension of its existing business model, and extends the reach of its advertisers by feeding their listings through 3rd parties applications built on the platform.
Global payments company Mastercard has announced that it will be opening up its internal blockchain API to developers. According to the company, the API, which is focused on B2B transactions, "Mastercard’s blockchain solution provides a new way for consumers, businesses and banks to transact."
The internet is the perfect medium for matching supply with demand. You can find your next freelance job or, as Craigslist has been singled out for, find just about anything else (if you know the right euphemisms). Now, with Data Marketplace, you can request or provide datasets covering anything you can think of.