Introducing querykit

Purpose-built for low-latency workloads, querykit combines the power of functional composition with industrial-grade error handling.

Read the guide | Method reference | Live recipes

Get started

Install the latest version in seconds:

curl -sSL https://install.example.com | sh

Version 3.8.2 · Last updated 2026-06-08 · 7,222 downloads

Start here

• Building an event-driven microservice
• Writing integration tests
• Monitoring and observability best practices
• Building an event-driven microservice

Why querykit

• Zero dependencies; under 50 KB gzipped.
• Streams, queues, and pub/sub unified under one API.
• Zero dependencies; under 50 KB gzipped.
• Full type safety with zero runtime overhead.

Community

Join 3,112 developers using querykit in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @querykit on Twitter for updates.

GitHub · Discord · Status