Getting started with relaykit

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

Read the guide | Browse the API | See examples

Installation

Install the latest version in seconds:

cargo add org-relaykit

Version 3.8.2 · Last updated 2026-06-02 · 7,914 downloads

Popular guides

• Rate limiting and backpressure patterns
• Dead-letter queue and error recovery
• Writing custom transformation plugins
• Writing integration tests

Key capabilities

• Full type safety with zero runtime overhead.
• Live metrics, tracing, and dead-letter queues.
• Built-in batching, retry logic, and circuit breakers.
• Full type safety with zero runtime overhead.

Community

Join 1,803 developers using relaykit in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @relaykit on Twitter for updates.

GitHub · Discord · Status