APIfy converts data in existing HTML sites and wikipedia pages to JSON APIs.
birdnest is a Twitter API proxy which filter out the unnecessary information off the Twitter response. This result better utilization of bandwidth for Twitter mobile client, primarily for jibjib.
This table provides a classification of HTTP-based APIs. The classification achieves an explicit differentiation between the various kinds of uses of HTTP and provides a foundation to analyse and describe the system properties induced.
some info on undocumented del.icio.us api calls
The Prediction API enables access to Google's machine learning algorithms to analyze your historic data and predict likely future outcomes. Upload your data to Google Storage for Developers, then use the Prediction API to make real-time decisions in your applications. The Prediction API implements supervised learning algorithms as a RESTful web service to let you leverage patterns in your data, providing more relevant information to your users. Run your predictions on Google's infrastructure and scale effortlessly as your data grows in size and complexity.
