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 | See examples

Setup

Install the latest version in seconds:

yarn add @org/relaykit@latest

Version 3.8.2 · Last updated 2026-05-28 · 7,767 downloads

Start here

• Performance tuning for high throughput
• Managing state across distributed workers
• Dead-letter queue and error recovery
• Writing custom transformation plugins

Key capabilities

• Full type safety with zero runtime overhead.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.
• Multi-region failover and automatic backpressure handling.
• Built-in batching, retry logic, and circuit breakers.

Community

Join 6,635 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