Nestia Logo

GitHub license npm version Downloads Build Status Guide Documents Discord Badge

Nestia is a set of helper libraries for NestJS, supporting below features:

  • @nestia/core:
    • Super-fast/easy decorators
    • Advanced WebSocket routes
  • @nestia/sdk:
    • Swagger generator evolved than ever
    • SDK library generator for clients
    • Mockup Simulator for client applications
    • Automatic E2E test functions generator
  • @nestia/migrate: OpenAPI generator from Swagger to NestJS/SDK
  • @nestia/editor: Swagger-UI with Online TypeScript Editor
  • nestia: Just CLI (command line interface) tool


  • Only one line required, with pure TypeScript type
  • Enhance performance 30x up
    • Runtime validator is 20,000x faster than class-validator
    • JSON serialization is 200x faster than class-transformer
  • Software Development Kit
    • Collection of typed fetch functions with DTO structures like tRPC
    • Mockup simulator means embedded backend simulator in the SDK
      • similar with msw, but fully automated


Left is NestJS server code, and right is client (frontend) code utilizing SDK

Sponsors and Backers

Thanks for your support.

Your donation would encourage nestia development.


Guide Documents

Check out the document in the website:

🏠 Home

📖 Features

🔗 Appendix