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Glossary

DescribeZones

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Last updated: 2026-01-28 16:44:26

1. API Description

Domain name for API request: cvm.intl.tencentcloudapi.com.

This API is used to query availability zones.

A maximum of 20 requests can be initiated per second for this API.

We recommend you to use API Explorer
Try it
API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: DescribeZones.
Version Yes String Common Params. The value used for this API: 2017-03-12.
Region Yes String Common Params. For more information, please see the list of regions supported by the product. This API only supports: ap-bangkok, ap-beijing, ap-chengdu, ap-chongqing, ap-guangzhou, ap-hongkong, ap-jakarta, ap-nanjing, ap-seoul, ap-shanghai, ap-shanghai-fsi, ap-shenzhen-fsi, ap-singapore, ap-tokyo, eu-frankfurt, na-ashburn, na-siliconvalley, sa-saopaulo.

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Number of availability zones.
ZoneSet Array of ZoneInfo List of availability zones.
RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Querying the Chinese name of an availability zone

This example shows you how to query information of availability zones in the Guangzhou region. To return its Chinese name of the availability zone, you need to pass the parameter Language=zh-CN.

Input Example

POST / HTTP/1.1
Host: cvm.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeZones
X-TC-Language: zh-CN
&<Common request parameters>

{}

Output Example

{
    "Response": {
        "TotalCount": 3,
        "ZoneSet": [
            {
                "ZoneState": "AVAILABLE",
                "ZoneId": "100003",
                "Zone": "ap-guangzhou-3",
                "ZoneName": "Guangzhou Zone 3"
            },
            {
                "ZoneState": "AVAILABLE",
                "ZoneId": "100004",
                "Zone": "ap-guangzhou-4",
                "ZoneName": "Guangzhou Zone 4"
            },
            {
                "ZoneState": "AVAILABLE",
                "ZoneId": "100006",
                "Zone": "ap-guangzhou-6",
                "ZoneName": "Guangzhou Zone 6"
            }
        ],
        "RequestId": "2087557d-d804-4509-8fc9-74a38f74c692"
    }
}

Example2 Querying the English name of an availability zone

This example shows you how to query the availability zones in the Guangzhou region. Its English name will be returned by default if the parameter Language is not passed in.

Input Example

POST / HTTP/1.1
Host: cvm.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeZones
&<Common request parameters>

{}

Output Example

{
    "Response": {
        "TotalCount": 3,
        "ZoneSet": [
            {
                "ZoneState": "AVAILABLE",
                "ZoneId": "100003",
                "Zone": "ap-guangzhou-3",
                "ZoneName": "Guangzhou Zone 3"
            },
            {
                "ZoneState": "AVAILABLE",
                "ZoneId": "100004",
                "Zone": "ap-guangzhou-4",
                "ZoneName": "Guangzhou Zone 4"
            },
            {
                "ZoneState": "AVAILABLE",
                "ZoneId": "100006",
                "Zone": "ap-guangzhou-6",
                "ZoneName": "Guangzhou Zone 6"
            }
        ],
        "RequestId": "2087557d-d804-4509-8fc9-74a38f74c692"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InvalidFilter Invalid filter.
InvalidParameterValue.LimitExceeded The number of parameter values exceeds the limit.
InvalidParameterValue.ZoneNotSupported The availability zone does not support this operation.
UnsupportedOperation Unsupported operation.

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