Credis is a client library in plain C for communicating with Redis servers. Redis is a high performance key-value database and in-memory platform for real-time applications. Redis To Go offers a REST API to provision instances programmatically that supports both JSON and XML.
Xchangeonline is a tool that provides currency conversion and rounding functionality that can be integrated with other applications. Their selling point is that, unlike other currency conversion tools available, their service is easy for anyone to use, reliable and affordable. The Xchangeonline API makes it possible for third party developers to access this functionality.
CloudRail's universal API that enables developers to integrate multiple APIs into their app through the use of CloudRail's single, universal API has added support for Xamarin. CloudRail envisions replacing Xamarin's current Components method of integrating APIs into its app partners.
Rainforest, QA solution provider, uses the power of humans to test website quality. The Rainforest API allows developers to programmatically trigger the execution of tests. Rainforest finds that nothing tests a user interface like a good old-fashioned human being. Thus, users set up tests in plain English and Rainforest takes the customer through the steps of the tests.