Reference

Metrics are published to standard formats (Prometheus, CloudWatch, DataDog) with zero configuration.

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

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

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

Reference

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

stream.pipe(retry( maxAttempts: 3, backoff: 'exponential' ), timeout(30000)).subscribe(console.log);

Rate limiting is built in: configure token buckets, sliding windows, or adaptive limits that respond to backpressure.