Welcome to relaycore

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

Quickstart guide | Browse the API | Live recipes

Setup

Install the latest version in seconds:

curl -sSL https://install.example.com | sh

Version 3.8.2 · Last updated 2026-06-02 · 10k+ weekly downloads

Quick reference

• Dead-letter queue and error recovery
• Authentication and authorization
• Rate limiting and backpressure patterns
• Writing integration tests

Why relaycore

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

Community

Join 8,061 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