Welcome to relayhub

relayhub is a high-performance type-safe SDK for building real-time data pipelines and reactive applications.

Read the guide | Method reference | Live recipes

Setup

Install the latest version in seconds:

npm install @org/relayhub --save

Version 3.8.2 · Last updated 2026-05-27 · 10k+ weekly downloads

Start here

• Authentication and authorization
• Writing custom transformation plugins
• Dead-letter queue and error recovery
• Streaming data from Kafka in under a minute

Key capabilities

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

Community

Join 3,450 developers using relayhub in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @relayhub on Twitter for updates.

GitHub · Discord · Status