This C++ library for Windows interfaces with the Bloomberg 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. Extensive documentation, including code examples, is available in the Developer Documentation and at the API website.
The rise of Bitcoin has resulted in the development of a variety of services that enable individuals and companies to track Bitcoin, create and manage Bitcoin wallets, and perform transactions using the cryptocurrency.
Read-it-later service Instapaper has released what it's calling a "full API." With it, developers using the Instapaper API can create applications that both write to and read from the service. The full API is free to developers, but only paying users can read from their Instapaper account using third-party tools.
Bloomberg recently announced the launch of OpenFIGI.com and the OpenFIGI API to provide exchanges, data providers, custodians and other organizations direct access to multiple new tools for identifying, mapping and requesting the Financial Instrument Global Identifier (FIGI).