H2O uses the CAP API to provide free caselaw textbooks for anyone.


Graphics showcasing the most-used words in California caselaw each year between 1852 and 2015.


Generate rhymes using caselaw!

Witchcraft in Caselaw

See all instances of "witchcraft" charted out on the U.S. map.

Happy Halloween!


See all instances of "!"

Code examples

See some ways of getting started with the data! Examples are written in Python.

Our own search utility is a CAPAPI consumer written in Vue with a smattering of python on the back end. Most of the relevant code can be found in the 'capbrowse' app in Capstone, our larger codebase for case management.