> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/api-reference/compute/bmc/location/describezones.md).

# DescribeZones

## 1. API Description

This API (DescribeZones) is used to query zones available.

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name         | Required | Type    | Description                                                                                                                                 |
| ---------------------- | -------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| acceptLanguage         | No       | String  | <p>The languages of zones available. The optional values are as follows:</p><p>zh-CN: Chinese en-US: English</p><p>Default value: en-US</p> |
| isCloudRouterAvailable | No       | Boolean | <p>Query the zone supports Layer 3 cloud router.</p><p>Available values:</p><p>true : supported</p><p>false : not supported</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> |
| zoneSet        | Array of [Zone](/api-reference/compute/bmc/datastructure.md#zone) | The list of zones available.                                                                                          |

## 4. Code Example

{% tabs %}
{% tab title="Example" %}

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

Request：
{}

Response：
{
  "requestId": "TBD9EB7E4-3982-43F4-8479-7E963997BC85",
  "response": {  
    "requestId": "TBD9EB7E4-3982-43F4-8479-7E963997BC85",
    "zoneSet": [
        {
            "zoneId":"HKG-B",
            "zoneName":"HKG Zone B",
            "cityName":"Hong Kong",
            "areaName":"Asia Pacific",
            "isCloudRouterAvailable":false
        }
    ]
  }
} 
```

{% endtab %}
{% endtabs %}

## 5. Developer Resources

Zenlayer Cloud API 2.0 integrates [SDKs](/api-reference/api-introduction/toolkit/api-sdk.md)，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](/api-reference/api-introduction/instruction/commonerrorcode.md).

| HTTP Status Code | Error Code | Description |
| ---------------- | ---------- | ----------- |