# Remotely lock the managed device Sends device lock command to device. ## Endpoint **POST** `/api/v1/mdm/devices/{device_id}/actions/lock` ## Request URL `https://{server-hostname}:8383/api/v1/mdm/devices/{device_id}/actions/lock` ## Scope `MDMInventory.CREATE` ## Header `Authorization: d92d4xxxxxxxxxxxxx15f52` ## Request Parameters ### Request Headers - **Content-Type** `string` — **Mandatory** — `application/json` - **Accept** `string` — **Mandatory** — `application/json` ### Path Parameters - **device_id** `string` — **Mandatory** Unique identifier of the device. Obtain from the [Get Device List](https://www.manageengine.com/products/desktop-central/help/api/onpremise/devices-get-device-list.html) response. ### Request Body `application/json` **JSON Object** - **lock_message** `string` — Optional Message displayed on the device lock screen. - **phone_number** `string` — Optional Phone number to display on the device during lock. - **unlock_pin** `string` — Optional Unlock PIN for the device. - **email_sent_to_user** `boolean` — Optional Whether email is sent to the user. ## Sample Request ```curl curl --request POST \ --url https://appdomain/api/v1/mdm/devices/{device_id}/actions/lock \ --header 'Accept: application/json' \ --header 'Authorization: d92d4xxxxxxxxxxxxx15f52' \ --header 'Content-Type: application/json' \ --data '{"unlock_pin":"1234.","lock_message":"This device has been locked by the administrator.","email_sent_to_user":"true.","phone_number":"000000000000."}' ``` ## Sample Request Body Lock device with a lock screen message ```json { "unlock_pin": "1234.", "lock_message": "This device has been locked by the administrator.", "email_sent_to_user": "true.", "phone_number": "000000000000." } ``` ## Possible Response Codes - **202** — HTTP code ## Sample Response: HTTP 202 ```text 202 Accepted ``` ![ ](https://www.zohowebstatic.com/sites/zweb/images/people/ico-help.png) **Duration:** 1 minute | **Threshold:** 30 | **Lock period:** 5 minutes Duration - Time window for the threshold. Threshold - Number of API calls allowed within the specified duration. Lock Period - Wait time before consecutive API requests.