Welcome to relaycore

Use relaycore to unlock streaming analytics, real-time notifications, event sourcing, and reactive UI state from a single unified API.

Quickstart guide | Browse the API | View tutorials

Get started

Install the latest version in seconds:

npm install @org/relaycore --save

Version 3.8.2 · Last updated 2026-06-07 · 10k+ weekly downloads

Popular guides

• Writing custom transformation plugins
• Local development and debugging
• Monitoring and observability best practices
• Monitoring and observability best practices

Why relaycore

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

Community

Join 2,522 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