Last updated: 2021-05-20 15:56:27

1. API Description

Domain name for API request:

This API is used to enumerate regions, only including Guangzhou.

A maximum of 100 requests can be initiated per second for this API.

Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example:

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 parameter. The value used for this API: DescribeRegion.
Version Yes String Common parameter. The value used for this API: 2019-08-19.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
Offset No Integer The offset value
Limit No Integer The maximum number of results returned
Business No String Business field, which can be ignored.

3. Output Parameters

Parameter Name Type Description
Result Array of Region List of the returned results of enumerated regions
Note: null may be returned for this field, indicating that no valid values can be obtained.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Enumerating regions

Input Example
&<common request parameters>

Output Example

  "Response": {
    "Result": [
        "RegionId": 8,
        "RegionName": "Beijing",
        "AreaName": "North China",
        "RegionCode": "bj",
        "RegionCodeV3": "ap-beijing"
        "RegionId": 16,
        "RegionName": "Chengdu",
        "AreaName": "Southwest China",
        "RegionCode": "cd",
        "RegionCodeV3": "ap-chengdu"
        "RegionId": 19,
        "RegionName": "Chongqing",
        "AreaName": "Southwest China",
        "RegionCode": "cq",
        "RegionCodeV3": "ap-chongqing"
        "RegionId": 5,
        "RegionName": "Hong Kong (China)",
        "AreaName": "Southeast Asia",
        "RegionCode": "hk",
        "RegionCodeV3": "ap-hongkong"
        "RegionId": 9,
        "RegionName": "Singapore",
        "AreaName": "Southeast Asia",
        "RegionCode": "sg",
        "RegionCodeV3": "ap-singapore"
        "RegionId": 21,
        "RegionName": "Mumbai",
        "AreaName": "Asia Pacific",
        "RegionCode": "in",
        "RegionCodeV3": "ap-mumbai"
        "RegionId": 25,
        "RegionName": "Tokyo",
        "AreaName": "Asia Pacific",
        "RegionCode": "jp",
        "RegionCodeV3": "ap-tokyo"
        "RegionId": 6,
        "RegionName": "Toronto",
        "AreaName": "North America",
        "RegionCode": "ca",
        "RegionCodeV3": "na-toronto"
        "RegionId": 15,
        "RegionName": "Silicon Valley",
        "AreaName": "Western US",
        "RegionCode": "usw",
        "RegionCodeV3": "na-siliconvalley"
        "RegionId": 22,
        "RegionName": "Ashburn",
        "AreaName": "Eastern US",
        "RegionCode": "use",
        "RegionCodeV3": "na-ashburn"
    "RequestId": "fe2ba3b1-90bb-425d-abd4-08a62d0c3686"

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.
InvalidParameter Invalid parameter.
InvalidParameterValue.InstanceNotExist The instance does not exist.
InvalidParameterValue.RepetitionValue The parameter already exists.
InvalidParameterValue.SubnetIdInvalid Invalid subnet ID.
InvalidParameterValue.SubnetNotBelongToZone The subnet is not in the zone.
InvalidParameterValue.VpcIdInvalid Invalid VPC ID.
InvalidParameterValue.WrongAction The value of the Action parameter is incorrect.
InvalidParameterValue.ZoneNotSupport The zone is not supported.
ResourceUnavailable The resource is unavailable.
UnauthorizedOperation Unauthorized operation.
UnsupportedOperation.BatchDelInstanceLimit The batch instance deletion limit is reached.
UnsupportedOperation.OssReject Oss rejected the operation.