The Open Exchange Rates API Node.js Library is authored by Alexander Makarenko. It is a Node.js module to work with the Open Exchange Rates API. A main feature of this library is that it allows running of multiple client instances simultaneously. Documentation can be found on Github and npm.
Virtu Financial, Inc. announced the launch of Open Technology, a new data-as-a-service platform. Open Technology hosts a growing catalog of services and data endpoints enabled by a unified, high-performance application programming interface (API) architecture.
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.