Welcome to relaykit

A minimal, zero-dependency library for stream processing, event handling, and asynchronous composition with a focus on ergonomics and type safety.

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Get started

Install the latest version in seconds:

cargo add org-relaykit

Version 3.8.2 · Last updated 2026-06-12 · 10k+ weekly downloads

Start here

• Monitoring and observability best practices
• Deploying with Docker and Kubernetes
• Rate limiting and backpressure patterns
• Getting started in 5 minutes

Features

• Built-in batching, retry logic, and circuit breakers.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.
• Live metrics, tracing, and dead-letter queues.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.

Community

Join 4,277 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