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Fastify

Build fast, scalable Node.js applications with minimal overhead, powerful plugin architecture, and built-in schema-based validation.

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Fastify is a web framework designed from the ground up to deliver maximum performance with minimal overhead. By focusing on efficient resource management, it allows developers to handle a high volume of requests without compromising on security or developer experience. It is an ideal choice for building responsive, cost-effective server-side applications.

Key features include:

  • Highly performant: Capable of serving up to 30,000 requests per second, making it one of the fastest options available for Node.js.
  • Extensible architecture: Fully customizable through a robust system of hooks, plugins, and decorators.
  • Schema-based validation: Uses JSON Schema to validate inputs and serialize outputs, ensuring data integrity and performance.
  • Developer friendly: Designed to be expressive and intuitive, supporting both JavaScript and TypeScript out of the box.
  • Efficient logging: Integrates with high-performance loggers to provide observability without the typical performance penalty.

Whether you are building a microservice or a complex API, the framework provides the tools necessary to maintain high standards of code quality and speed. With a thriving ecosystem of plugins and strong community support, it is a reliable foundation for modern web development.

Downloads
5,547,722
Stars
35,727
Last published
Feb 2, 2026
Last commit
2 days ago
License
MIT