Welcome to querykit

Purpose-built for real-time 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:

cargo add org-querykit

Version 3.8.2 · Last updated 2026-06-02 · 10k+ weekly downloads

Popular guides

• Deploying to production safely
• Integrating with your message broker
• Scaling to millions of events per second
• Integrating with your message broker

Key capabilities

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

Community

Join 6,070 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