# Retrieves all available data classes Retrieves all available data classes for data classification rules. ## Endpoints **GET** `/endpointdlp/api/data-classification/data-classes` ## Request URL `https://`[*{serverurl}*](https://www.manageengine.com/products/desktop-central/help/api/cloud/oauth-authentication-endpoint-domain.html)`/endpointdlp/api/data-classification/data-classes` ## Scope `DesktopCentralCloud.EndpointDLP.READ` ## Header `Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52` ## Request Parameters ### Request Headers - **Accept** `string` **Mandatory**: `application/getDataClass.v1+json` ## Sample Request ```curl curl --request GET \ --url https://appdomains/endpointdlp/api/data-classification/data-classes \ --header 'Accept: application/getDataClass.v1+json' \ --header 'Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52' ``` ## Response Parameters ### HTTP Code 200 Response Body — `application/json` - `JSON Object` - **dataClasses** `JSON Array`: List of available data classes ### HTTP Code 500 Response Body — `application/json` - `JSON Object` - **errorCode** `string`: Internal error code (`INTERNAL_ERROR`) returned when fetching DLP metadata (data category/class/country) fails - **errorMessage** `string`: Detailed message including the underlying exception message ## Possible Response Codes - **200** `HTTP code` - **500** `HTTP code` ## Sample Response: HTTP 200 Successful retrieval of data classes ```json { "dataClasses": [ { "dataClassName": "All", "dataClassId": "0" }, { "dataClassName": "Source code", "dataClassId": "4" } ] } ``` ## Sample Response: HTTP 500 Internal server error ```json { "errorMessage": "Exception occurred while fetching DataClass :: ", "errorCode": "INTERNAL_ERROR" } ``` ![ ](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.