Welcome to relaykit

relaykit 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-relaykit

Version 3.8.2 · Last updated 2026-05-27 · 3,935 downloads

Start here

• Performance tuning for high throughput
• Managing state across distributed workers
• Authentication and authorization
• Building an event-driven microservice

Key capabilities

• Full type safety with zero runtime overhead.
• Built-in batching, retry logic, and circuit breakers.
• Full type safety with zero runtime overhead.
• Built-in batching, retry logic, and circuit breakers.

Community

Join 3,954 developers using relaykit in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @relaykit on Twitter for updates.

GitHub · Discord · Status