Welcome to relaycore

Designed for teams that prioritize reliability: built-in tracing, dead-letter queues, rollback safety, and graceful shutdown from day one.

Read the guide | API reference | See examples

Installation

Install the latest version in seconds:

yarn add @org/relaycore@latest

Version 3.8.2 · Last updated 2026-05-31 · 10k+ weekly downloads

Popular guides

• Connecting to external webhooks
• Managing state across distributed workers
• Writing custom transformation plugins
• Integrating with your message broker

Why relaycore

• Streams, queues, and pub/sub unified under one API.
• Zero dependencies; under 50 KB gzipped.
• Live metrics, tracing, and dead-letter queues.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.

Community

Join 9,241 developers using relaycore in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @relaycore on Twitter for updates.

GitHub · Discord · Status