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# Get Replacement Details

Get information about the device that a replacement device replaces.

## Discussion

This endpoint returns the original device serial number and replacement date for a replacement device. Call this endpoint only when the device’s `is_replacement_device` field is `true` in the response from [`Get a List of Devices`](/documentation/DeviceManagement/Fetch-Devices), [`Sync the List of Devices`](/documentation/DeviceManagement/Sync-Devices), or [`Get Device Details`](/documentation/DeviceManagement/Device-Details). Calling it for a device whose `is_replacement_device` value is `false` returns HTTP 404 `DEVICE_NOT_FOUND`.

This request requires `X-Server-Protocol-Version` 10 or later.

## Topics

### Response

[`object GetReplacementDetailsResponse`](/documentation/DeviceManagement/GetReplacementDetailsResponse)

Information about a replacement device, including the original device it replaces and the date the replacement occurred.


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