Wpr trace

2026-10-282026-10-28

Start WPR trace

Request

Starts a WPR performance trace.

Method	Request URI
POST	/api/wpr/trace

URI parameters

URI parameter	Description
profile	(required) Name of the performance recording profile to apply.

Request headers

• None

Request body

• None

Response

Returns the updated WPR session status:

{
  "Status": string
}

Status code

HTTP status code	Description
200	Tracing started
400	Bad request
5XX	Error codes

Available device families

• Windows Mobile
• Windows Desktop
• Xbox
• HoloLens
• IoT

Credits Microsoft

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Stop WPR trace

Request

Stops a WPR performance trace.

Method	Request URI
GET	/api/wpr/trace

URI parameters

• None

Request headers

• None

Request body

• None

Response

Returns the generated Event Trace Log (.etl) file as a download attachment.

Status code

HTTP status code	Description
200	Trace file returned
400	No trace running
5XX	Error codes

Available device families

• Windows Mobile
• Windows Desktop
• Xbox
• HoloLens
• IoT

Credits Microsoft