Google Chart API
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|Available in||HTTP requests|
The Google Chart API is an interactive Web service (now deprecated) that creates graphical charts from user-supplied data. Google servers create a PNG image of a chart from data and formatting parameters specified by a user's HTTP request. The service supports a wide variety of chart information and formatting. Users may conveniently embed these charts in a Web page by using a simple image tag.
Originally the API was Google's internal tool to support rapid embedding of charts within Google's own applications (like Google Finance for example). Google figured it would be a useful tool to open up to web developers. It officially launched on December 6, 2007.
The following URL creates the pie chart below:
Instead of creating the URL request manually, there are many open source libraries available for most programming languages.
|Java||Google Chart API wrapper||https://code.google.com/p/googlechartwrapper/|