# Retrieves all available data classes

Retrieves all available data classes for data classification rules.

## Endpoint

`GET /endpointdlp/api/data-classification/data-classes`

## Request URL

`https://{serverurl}/endpointdlp/api/data-classification/data-classes`

[{serverurl}](https://www.manageengine.com/products/desktop-central/help/api/cloud/oauth-authentication-endpoint-domain.html)

## 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
  - `JSON Object`
  - `JSON Object`

### Sample Response: HTTP 200

Successful retrieval of data classes

```json
{
  "dataClasses": [
    {
      "dataClassName": "All",
      "dataClassId": "0"
    },
    {
      "dataClassName": "Source code",
      "dataClassId": "4"
    }
  ]
}
```

### 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

### Sample Response: HTTP 500

Internal server error

```json
{
  "errorMessage": "Exception occurred while fetching DataClass :: <exception message>",
  "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.