# Fastify
URL: https://wwadd.dev/tools/fastify · Official site: https://fastify.dev
Kind: Fast Node.js web framework · License: Open source · Last verified: 2026-09-28

A low-overhead Node.js web framework with JSON Schema validation and serialization built in, and a plugin system for everything else.

Reach for it when:
- Small to medium APIs where throughput matters
- Teams that want less structure than NestJS

Repository: https://github.com/fastify/fastify
Recorded SPDX baseline: MIT