Welcome to relaycore

Deploy serverless functions, microservices, and data processors with a single declarative config and relaycore's battle-tested runtime.

Quickstart guide | Method reference | View tutorials

Setup

Install the latest version in seconds:

npm install @org/relaycore --save

Version 3.8.2 · Last updated 2026-05-28 · 10k+ weekly downloads

Popular guides

• Writing custom transformation plugins
• Authentication and authorization
• Integrating with your message broker
• Rate limiting and backpressure patterns

Why relaycore

• Live metrics, tracing, and dead-letter queues.
• Built-in batching, retry logic, and circuit breakers.
• Zero dependencies; under 50 KB gzipped.
• Zero dependencies; under 50 KB gzipped.

Community

Join 9,575 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