OONI Explorer is the world's largest open dataset on internet censorship, consisting of millions of measurements collected from more than 200 countries since 2012.
The OONI API enables you to perform your own analysis of OONI data. For batch consumption of OONI data, you can fetch the whole OONI dataset from the Amazon S3 bucket.
For a tutorial on how to analyse OONI website data check out this jupyter notebook (download).