Welcome to relaykit

Purpose-built for real-time workloads, relaykit combines the power of functional composition with industrial-grade error handling.

Read the guide | Browse the API | Live recipes

Installation

Install the latest version in seconds:

cargo add org-relaykit

Version 3.8.2 · Last updated 2026-06-07 · 3,616 downloads

Start here

• Authentication and authorization
• Scaling to millions of events per second
• Writing custom transformation plugins
• Managing state across distributed workers

Features

• Live metrics, tracing, and dead-letter queues.
• Streams, queues, and pub/sub unified under one API.
• Full type safety with zero runtime overhead.
• Streams, queues, and pub/sub unified under one API.

Community

Join 1,257 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