Welcome to 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 | API reference | Live recipes

Installation

Install the latest version in seconds:

docker pull ghcr.io/org/relaykit:latest

Version 3.8.2 · Last updated 2026-05-25 · 10k+ weekly downloads

Quick reference

• Setting up event deduplication
• Dead-letter queue and error recovery
• Integrating with your message broker
• Performance tuning for high throughput

Why relaykit

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

Community

Join 5,283 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