GET /SN

Read the device serial number.

This is a device HTTP route. Set DEVICE_URL to your reachable device URL; connection and examples explain how. Do not append this path to the public MCP URL.

Parameters

No parameters.

Response

Plain text serial number.

Example

curl --fail-with-body "$DEVICE_URL/SN"

Check the HTTP status and any JSON error. HTTP workflows and error handling explain shared limits. All endpoints.