Getting started with relaydb

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

Read the guide | API reference | View tutorials

Installation

Install the latest version in seconds:

pip install org-relaydb --upgrade

Version 3.8.2 · Last updated 2026-05-31 · 10k+ weekly downloads

Quick reference

• Managing state across distributed workers
• Writing integration tests
• Scaling to millions of events per second
• Building an event-driven microservice

Why relaydb

• Zero dependencies; under 50 KB gzipped.
• Multi-region failover and automatic backpressure handling.
• Multi-region failover and automatic backpressure handling.
• Multi-region failover and automatic backpressure handling.

Community

Join 7,105 developers using relaydb in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @relaydb on Twitter for updates.

GitHub · Discord · Status