40 useful APIs for web designers and developers
An application programming interface (API) is a set of rules and specifications that software programs can follow to communicate or ‘interface’ with each other. As developers are well aware, there are hundreds of APIs out there for doing almost anything you could imagine online. Some are better than others, and some are definitely more useful than others. Below are forty of the most useful APIs out there. The included APIs will let you do everything from shortening a URL to displaying a book preview on your site to interacting with your Twitter account, and everything in between. Please share with us which APIs have you found most useful and feel free to recommend others that we may have missed… The Google APIs Google offers dozens of APIs for web designers and developers. Some are specifically related to popular Google products, like Gmail and Analytics, while others are more specialized and aren’t part of public programs. All are free to use, of course. The Yahoo! Like Google, Yahoo!
Related: REST API