Open-source, invisible CAPTCHA that detects AI agents, bots, and headless browsers via 40+ behavioral signals, device & TLS fingerprinting, and SHA-256 proof of work. Self-hosted and privacy-first.
PHP package for easy integration with the API of 2captcha captcha solving service to bypass recaptcha, funcaptcha, Cloudflare turnstile, geetest and solve any other captchas.
Go SDK for Bot Protection Bypass - Automate Akamai, Incapsula, Kasada, and DataDome. No browsers required. Solve challenges and generate valid sensors/cookies via API.
PHP library for Turnstile, is Cloudflare’s smart CAPTCHA alternative. It can be embedded into any website without sending traffic through Cloudflare and works without showing visitors a CAPTCHA.