Looking for an easy way to integrate with the Hatebase API? Check out Andrew Welters' handy open source Hatebase PHP wrapper.

Hatebase is currently seeking a hosting partner. If you'd like to help out by donating your company's services, please let us know.

Welcome to the world's largest online repository of structured, multilingual, usage-based hate speech.

Hatebase was built to assist government agencies, NGOs, research organizations and other philanthropic individuals and groups use hate speech as a predictor for regional violence. Language-based classification, or symbolization, is one of a handful of quantifiable steps toward genocide.

To understand exactly what Hatebase can and cannot do, check out our recent Sentinel Project blog post.

To support Hatebase, please contribute to our database, either by adding vocabulary or by logging sightings and citations. We also encourage you to sign up for the Hatebase API and use our data in your own applications. For help with the API, please check our FAQs, and if you come up with a unique application for Hatebase data, please let us know so that we can promote your application on this website.

Please also take a moment to familiarize yourself with our statement of principles. Any decisions made about the suitability of content on this website will be guided by these fundamental principles, as well as by our terms of use and privacy policy.