Welcome to querykit

Lightning-fast async data transformation layer that bridges legacy systems and modern reactive stacks without boilerplate.

Quickstart guide | Method reference | See examples

Get started

Install the latest version in seconds:

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

Version 3.8.2 · Last updated 2026-06-01 · 8,711 downloads

Popular guides

• Scaling to millions of events per second
• Performance tuning for high throughput
• Local development and debugging
• Rate limiting and backpressure patterns

Key capabilities

• Multi-region failover and automatic backpressure handling.
• Built-in batching, retry logic, and circuit breakers.
• Full type safety with zero runtime overhead.
• Zero dependencies; under 50 KB gzipped.

Community

Join 8,938 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