# Retrieve operating system details of a computer

Returns the operating system information of a computer including OS name, version, service pack, architecture, and installation date.

## Endpoints

**GET** `/dcapi/inventory/computers/{resourceID}/osInformation`

## Request URL

`https://`[*{serverurl}*](https://www.manageengine.com/products/desktop-central/help/api/cloud/oauth-authentication-endpoint-domain.html)`/dcapi/inventory/computers/{resourceID}/osInformation`

## Scope

`DesktopCentralCloud.Inventory.READ`

### Header

`Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52`

## Request Parameters

### Request Headers

**Accept** `string` **Mandatory**

`application/osInformation.v1+json`

### Path Parameters

**resourceID** `string` **Mandatory**

Resource identifier of the computer. Obtain from the response of the [Get Computers List](https://www.manageengine.com/products/desktop-central/help/api/cloud/computers-getcomputers.html) API.

## Sample Request

### Curl

```curl
curl --request GET \
  --url https://appdomains/dcapi/inventory/computers/{resourceID}/osInformation \
  --header 'Accept: application/osInformation.v1+json' \
  --header 'Authorization: Zoho-oauthtoken  d92d4xxxxxxxxxxxxx15f52'
```

## Response Parameters

### HTTP code 200

#### Response Body — application/json

`JSON Object`

- **operatingSystem** `string`: Operating system name with architecture
- **installedSystemDrive** `string`: System drive letter where OS is installed
- **registeredTO** `string`: Name the OS is registered to
- **osVersion** `string`: OS version string
- **osServicePack** `string`: OS service pack or version name
- **osBuildNumber** `string`: OS build number
- **productID** `string`: OS product ID
- **licenseType** `string`: License type - Retail, OEM, Volume, etc.
- **osCDKey** `string`: OS product key

### HTTP code 401

#### Response Body — application/json

`JSON Object`

- **error_code** `string`: UAC_UNAUTHORIZED - user lacks the required uem-roles or credentials are missing
- **error_description** `string`: Authentication or authorization failure reason

### HTTP code 404

#### Response Body — application/json

`JSON Object`

- **error_code** `string`: RESOURCE_NOT_AVAILABLE - the specified resourceID does not exist or is not accessible
- **error_description** `string`: Resource not found message

### HTTP code 500

#### Response Body — application/json

`JSON Object`

- **error_code** `string`: INTERNAL_ERROR - unexpected exception in the service layer
- **error_description** `string`: Internal server error message

## Possible Response Codes

- **200** HTTP code
- **401** HTTP code
- **404** HTTP code
- **500** HTTP code

## Sample Response: HTTP 200

### OS details

```json
{
  "installedSystemDrive": "C:",
  "registeredTO": "SampleUser",
  "licenseType": "Retail",
  "osBuildNumber": "26200.8246",
  "osVersion": "10.0.26200",
  "productID": "00000-00000-00000-AA000",
  "osServicePack": "Windows 11 Version 25H2 (x64)",
  "osCDKey": "XXXXX-XXXXX-XXXXX-XXXXX-XXXXX",
  "operatingSystem": "Windows 11 Professional Edition (x64)"
}
```

## Sample Response: HTTP 401

### Missing credentials

```json
{
  "error_description": "Unauthorized access",
  "error_code": "UAC_UNAUTHORIZED"
}
```

## Sample Response: HTTP 404

### Resource not found

```json
{
  "error_description": "The specified resource was not found",
  "error_code": "RESOURCE_NOT_AVAILABLE"
}
```

## Sample Response: HTTP 500

### Server error

```json
{
  "error_description": "Internal server error",
  "error_code": "INTERNAL_ERROR"
}
```

![ ](https://www.zohowebstatic.com/sites/zweb/images/people/ico-help.png)

**Duration:** 1 minute | **Threshold:** 120 | **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.