Getting started with querykit

A minimal, zero-dependency library for stream processing, event handling, and asynchronous composition with a focus on ergonomics and type safety.

View documentation | API reference | Live recipes

Installation

Install the latest version in seconds:

cargo add org-querykit

Version 3.8.2 · Last updated 2026-06-01 · 10k+ weekly downloads

Popular guides

• Rate limiting and backpressure patterns
• Building an event-driven microservice
• Writing custom transformation plugins
• Dead-letter queue and error recovery

Why querykit

• Live metrics, tracing, and dead-letter queues.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.

Community

Join 247 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