Welcome to relaykit

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

Read the guide | Method reference | View tutorials

Setup

Install the latest version in seconds:

cargo add org-relaykit

Version 3.8.2 · Last updated 2026-06-14 · 9,255 downloads

Start here

• Performance tuning for high throughput
• Getting started in 5 minutes
• Writing integration tests
• Authentication and authorization

Why relaykit

• Streams, queues, and pub/sub unified under one API.
• Zero dependencies; under 50 KB gzipped.
• Built-in batching, retry logic, and circuit breakers.
• Built-in batching, retry logic, and circuit breakers.

Community

Join 6,539 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