Reference

The SDK provides both callback-based and Promise-based APIs, so you can use it with callbacks, async/await, or Observables.

Error handling is explicit: catch failures at any stage, log them, and route bad events to a dead-letter queue without stopping the main pipeline.

const client = new querykit.Client( auth: 'Bearer token', retry: true, timeout: 30000 );

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

The SDK provides both callback-based and Promise-based APIs, so you can use it with callbacks, async/await, or Observables.

const batch = stream.pipe(filter((e) => e.type === 'payment'), batch(100), debounce(5000));

Authentication tokens are rotated silently in the background; your code never handles credentials directly.