ðŸ‘Ļ‍ðŸĶē SSE Echo | Server-Sent events Playground

👉 Give me the whole event-stream and I will send it back to you, event by event 😉

Make sure your event-stream follows the standard format

Minimum delay (in seconds) between each event:

Click Connect to start the event source connection.

Click Close to forcibly close the connection.

By default, all the events given above are dispatched instantly. You can change that by setting a delay (0s by default, max is 10s).

Open DevTools network monitor and select the related request to see the incoming events/messages.