API Docs Generator
Automatically generate API documentation from your route files in markdown or OpenAPI format. Scans endpoints, extracts information, and creates professional documentation with zero configuration required.
🚀 Turn your API routes into professional documentation instantly. This tool scans your route files and generates clean markdown docs or OpenAPI specs automatically—no manual writing required. Perfect for APIs with dozens of endpoints that need documentation yesterday.
💡 Ideal when you're shipping fast, inheriting undocumented code, or onboarding new developers. Works with any Node.js project, requires just one command and an OpenAI API key. Your team gets Swagger-ready specs and human-readable guides without the busywork.
✨ Powered by AI that understands your code structure, so documentation stays accurate as your API evolves. One command. Zero config. Just works.
Requirements
OPENAI_API_KEY environment variable required for GPT-4o-mini model