The Google Image Charts API shut down on March 14, 2019. Although it was deprecated since 2012, the shutdown has disappointed many developers.
QuickChart is an open-source project that provides an easy way to generate charts as PNGs. I built and released it in March 2019 and it has since served millions of chart images.
Charts are defined by a single URL. For example, this url:
Will produce this image:
I open sourced the project because I wanted to avoid a repeat of the Google Image Charts scenario, in which people are dependent on proprietary image chart solutions that can be shut down at any time.
Head to QuickChart.io to try it out. Enjoy!