fastify
Fast and low overhead web framework, for Node.js
A fast, low-overhead framework with schema validation.
When to choose it: High-throughput APIs where you want JSON-schema validation, structured logging and first-class TypeScript.
- + Very high performance
- + Schema validation built-in
- + Great TypeScript
- - Smaller ecosystem than Express
- - Plugin model to learn
- Latest version
- 5.8.5
- Monthly downloads
- 31,079,568
- GitHub stars
- 36,351
- Minified + gzip
- 129.8 kB
- Dependencies
- 15
- License
- MIT
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Data from npm, Bundlephobia and GitHub. Last updated 2026-06-02.