OpenAPI/Swagger-generated API Reference Documentation

Beautiful API references from Swagger/OpenAPI file

Generate TypeScript types from OpenAPI 3 specs

Generate, valid, cache and mock in your frontend applications all with your OpenAPI specification

Describe your data up front and generate schemas, API specifications, client / server code, docs, and more

Typesafe APIs Made Simple

Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.

Build OpenAPI-compliant REST APIs using TypeScript and Node

NestJS Helper + AI Chatbot Development

The Ultimate Toolkit for Generating Type-Safe API Clients, Hooks, and Validators.

A library that generates OpenAPI (Swagger) docs from Zod schemas

Precision documentation from OpenAPI, MCP, Doxygen, and Markdown guides. Static HTML you own.

Converts Zod schemas to Json schemas