The Financial Data Exchange has released the 4th version of the FDX API, an updated standard designed to enhance interoperability and performance for the full range of supported use cases. The previous versions were rapidly adopted by the industry and protect nearly 12 million U.S. consumers.
Spotware has released the second version of its open trading platform API: cTrader Open API. Unlike its private API, which is available to brokers only, cTrader Open API is available for anyone who is interested in building tools for traders. V2.0 opts for Protocol Buffering instead of REST.