Welcome to relaycore

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

Read the guide | Browse the API | View tutorials

Installation

Install the latest version in seconds:

cargo add org-relaycore

Version 3.8.2 · Last updated 2026-06-06 · 4,352 downloads

Quick reference

• Performance tuning for high throughput
• Authentication and authorization
• Scaling to millions of events per second
• Streaming data from Kafka in under a minute

Features

• Zero dependencies; under 50 KB gzipped.
• Built-in batching, retry logic, and circuit breakers.
• Built-in batching, retry logic, and circuit breakers.
• Built-in batching, retry logic, and circuit breakers.

Community

Join 7,444 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