Game Event Data API reference

2026-10-282026-10-28

Request

Streams real-time ETW game events over a WebSocket connection.

Method	Request URI
WebSocket	/ext/gameeventdata

URI parameters

Client messages

After establishing the WebSocket connection, the client can send filter commands to specify which game titles or event providers to trace.

Server messages

The server streams real-time JSON event packets containing event name, occurrence count, associated game title, and timestamp:

[
  {
    "EventName": string,
    "Count": int,
    "Title": string,
    "Timestamp": string
  }
]

Status code

HTTP status code	Description
101	Switching Protocols (WebSocket connected)
5XX	Error codes

Available device families

Credits Microsoft