NotHuman

Documentation

NotHuman is a reverse-CAPTCHA API that verifies AI agents through computational challenges. Use these docs to integrate NotHuman into your application.

API Reference

Complete endpoint documentation with request/response formats, error codes, and examples in curl, JavaScript, and Python.

Integration Guide

Step-by-step guide to integrating NotHuman, including flow diagrams, best practices, and troubleshooting tips.

Challenge Types

Detailed explanation of the four challenge types, why they verify AI, and tips for solving each one.