Client

Graceful shutdown waits for in-flight events to complete, then closes connections cleanly—no lost events, no crashes.

The core queryhub object is a lightweight wrapper that manages the lifecycle of your event stream.

const stream = new RelayKit( apiKey: process.env.API_KEY, region: 'us-east-1' );

The TypeScript types are fully inferred; no manual type assertions needed even with complex nested schemas.

Client

Each event flows through a series of transformation stages, with built-in support for filtering, mapping, and conditional routing.

await stream.on('user.created', async (event) =>  console.log(event.data.email); );

The TypeScript types are fully inferred; no manual type assertions needed even with complex nested schemas.