# DescribeDiskCategory

## 1. API Description

This API (DescribeDiskCategory) is used to query supported disk type.

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name | Required | Type   | Description                                                                                           |
| -------------- | -------- | ------ | ----------------------------------------------------------------------------------------------------- |
| zoneId         | No       | String | Availability zone ID.                                                                                 |
| diskCategory   | No       | String | <p>Disk type.</p><p>Basic NVMe SSD: the Basic NVMe SSD. Standard NVMe SSD: the Standard NVMe SSD.</p> |

## 3. Output Parameters

| Parameter Name  | Type                                                                                                                                | Description                                                                                                           |
| --------------- | ----------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- |
| requestId       | String                                                                                                                              | <p>The unique request ID, which is returned for each request.</p><p>RequestId is required for locating a problem.</p> |
| categoryZoneSet | Array of [DescribeDiskCategoryItem](https://docs.console.zenlayer.com/api-reference/compute/datastructure#describediskcategoryitem) | Information on disks.                                                                                                 |

## 4. Code Example

{% tabs %}
{% tab title="Example" %}
**Query supported disk type.**

```json
POST /api/v2/zec HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: DescribeDiskCategory
<Common Request Params>

Request:
{
  "zoneId": "europe-central-1a",
  "diskCategory": "Basic NVMe SSD"
}

Response:
{
  "requestId": "TCF499941-588A-4F28-B8ED-1BAC37E304DC",
  "response": {
    "requestId": "TCF499941-588A-4F28-B8ED-1BAC37E304DC",
    "categoryZoneSet": [
      {
        "zoneId": "europe-central-1a",
        "categorySet": [
          "Basic NVMe SSD"
        ]
      }
    ]
  }
}
```

{% endtab %}
{% endtabs %}

## 5. Developer Resources

Zenlayer Cloud API 2.0 integrates [SDKs](https://docs.console.zenlayer.com/api-reference/api-introduction/toolkit/api-sdk)，to make it easier for you to call APIs. More programming languages will be supported.

## 6. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see [Common Error Codes](https://docs.console.zenlayer.com/api-reference/api-introduction/instruction/commonerrorcode).

| HTTP Status Code | Error Code                | Description            |
| ---------------- | ------------------------- | ---------------------- |
| 404              | INVALID\_ZONE\_NOT\_FOUND | Region does not exist. |