Fumadocs Has a Free API: Build Beautiful Documentation Sites with Next.js

What is Fumadocs? Fumadocs is a powerful documentation framework built on Next.js App Router . It's the modern alternative to Docusaurus and GitBook — fully integrated with React Server Components, MDX, and the Next.js ecosystem. The best part? Fumadocs has a free CLI and content API that makes building docs sites incredibly fast. Getting Started in 60 Seconds npx create-fumadocs-app my-docs cd my-docs npm run dev That's it. You have a fully functional documentation site with: Full-text search (built-in) Sidebar navigation (auto-generated from file structure) Dark mode MDX support with custom components OpenAPI integration The Content Source API Fumadocs uses a content source API that transforms your MDX files into structured, searchable data: import { loader } from " fumadocs-core/source " ; import { createMDXSource } from " fumadocs-mdx " ; import { docs , meta } from " @/.source " ; export const source = loader ({ baseUrl : " /docs " , source : createMDXSource ( docs , meta ), }); Q