Last updated: 2021-04-23 17:21:41

1. API Description

Domain name for API request:

This API is used to query the list of regions supported by the TcaplusDB service.

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

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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 parameter. The value used for this API: DescribeRegions.
Version Yes String Common parameter. The value used for this API: 2019-08-23.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product. This API only supports: ap-guangzhou

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Number of queried AZs
RegionInfos Array of RegionInfo List of AZ query results
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Obtaining the region list

This example shows you how to obtain the region list.

Input Example

Content-Type: application/json
X-TC-Action: DescribeRegions
<Common request parameters>


Output Example

  "Response": {
    "RegionInfos": [
        "RegionAbbr": "sh",
        "RegionId": 4,
        "RegionName": "Shanghai",
        "Ipv6Enable": "1"
        "RegionAbbr": "gz",
        "RegionId": 1,
        "RegionName": "Guangzhou",
        "Ipv6Enable": "0"
        "RegionAbbr": "hk",
        "RegionId": 5,
        "RegionName": "Hongkong",
        "Ipv6Enable": "1"
    "RequestId": "b64fa31b-a0ca-4a06-82e9-211d610ba516",
    "TotalCount": 3

5. Developer Resources


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
InternalError Internal error.