Prosopo Procaptcha

Prosopo Procaptcha is a drop-replacement for reCAPTCHA, hCaptcha, and Cloudflare Turnstile that protects user privacy and collects zero data.

Sign up for free and get your sitekey today. You need a sitekey to use this library.

Get Started

See our docs for help setting up Procaptcha on your website or in your app.

Development Environment

The monorepo for the Prosopo Procaptcha bot protection software includes open source packages associated with Procaptcha.

See for-devs.md for information on setting up your development environment.

You can run this software as a self-hosted bot protection solution. All of the required software is open source with the exception of the client-side detection library, for obvious reasons. Contact us if you need help.

Other Packages

This monorepo also contains the following packages unrelated to Procaptcha:

@prosopo/vite-plugin-watch-workspace - a Vite plugin that watches for changes in the workspace and reloads the Vite server.

@prosopo/ts-brand - a TypeScript library for creating branded types.