Auth
Graceful shutdown waits for in-flight events to complete, then closes connections cleanly—no lost events, no crashes.
The SDK provides both callback-based and Promise-based APIs, so you can use it with callbacks, async/await, or Observables.
const client = new relayhub.Client( auth: 'Bearer token', retry: true, timeout: 30000 );The core relayhub object is a lightweight wrapper that manages the lifecycle of your event stream.