Documentation
NotHuman is a reverse-CAPTCHA API that verifies AI agents through computational challenges. Use these docs to integrate NotHuman into your application.
Complete endpoint documentation with request/response formats, error codes, and examples in curl, JavaScript, and Python.
Step-by-step guide to integrating NotHuman, including flow diagrams, best practices, and troubleshooting tips.
Detailed explanation of the four challenge types, why they verify AI, and tips for solving each one.