The Google Chart API lets you dynamically generate charts. To see the Chart API in action, open up a browser window and copy the following URL into the address bar:
http://chart.apis.google.com/chart?cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World
Press the Enter or Return key and - presto! - you should see the following image:
This document is intended for programmers who want to include Google Chart API images within a webpage. It provides an introduction to using the API and reference material on the available parameters.
There's no limit to the number of calls per day you can make to the Google Chart API. However, we reserve the right to block any use that we regard as abusive. If you think your service will make more than 250,000 API calls per day, please let us know by mailing an estimate to chart-api-notifications@google.com.
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