Phani Kumar’s Blog

The Google Chart API lets you dynamically generate charts. To see the Chart API in action, all you need to do is to send a request to the Google Server through your browser. The Google Chart API returns a PNG-format image in response to request.

Since its release Google has been adding features to the initial API and with every new feature the usage of the API has increased many fold. People have been experimenting with it since the release and there are many cool innovative ways to use the API.

You can find around 50 innovative ways of using Google charts here.
The list is a pretty comprehensive one and you can find examples for almost all the usages of Google charts. If you averse to writing that ugly url for using Google charts then you can find a GUI in the above list for using Google charts which will do the ugly work for you.