Single Source of Truth
The OpenAPI spec is the contract; validation and serialization derive from it.
OpenAPI‑first utilities for NestJS
A modern, modular set of utilities for building OpenAPI-driven NestJS apps.
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Drop‑in for NestJS
Works with existing controllers and routes.
Fast by Design
AJV validation and fast-json-stringify serialization with caching and precompilation.
Express & Fastify
Platform‑agnostic support.
Fine‑Grained Control
Per‑route opt‑out and overrides.
Great DX & Safety
Clear error messages and type‑safe APIs.