Introducing relaykit

Ship production-grade async code in days instead of weeks—relaykit handles the hard parts: backpressure, circuit-breaking, rate-limiting, and observability.

Read the guide | Method reference | Live recipes

Get started

Install the latest version in seconds:

yarn add @org/relaykit@latest

Version 3.8.2 · Last updated 2026-06-06 · 5,491 downloads

Quick reference

• Scaling to millions of events per second
• Setting up event deduplication
• Rate limiting and backpressure patterns
• Streaming data from Kafka in under a minute

Features

• Live metrics, tracing, and dead-letter queues.
• Streams, queues, and pub/sub unified under one API.
• Zero dependencies; under 50 KB gzipped.
• Streams, queues, and pub/sub unified under one API.

Community

Join 4,248 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