Fastify is a performance-oriented backend web framework for Node.js, released as free and open-source software under an MIT License.

[3] As a lightweight alternative to other Node.js web API frameworks,[4][5] benchmarks reveal it to be significantly faster.

Collina and Tomas Della Vedova created Fastify in September 2016.

[1] According to the Fastify GitHub repository, the initial release, version 0.1.0, was on October 17, 2016.

[8][9] Core features include: Fastify is used by Capital One, Walmart, American Express[1] and others.