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Anti-DDoS:DescribeRegions

Last Updated:Jul 29, 2026

Queries all regions supported by Anti-DDoS Origin Enterprise.

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Test

RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter

Type

Required

Description

Example

ResourceGroupId

string

No

The ID of the resource group to which the Anti-DDoS Origin instance belongs in Resource Management. By default, this parameter is empty, which indicates that the instance belongs to the default resource group.

For more information about resource groups, see Create a resource group.

rg-acfm2pz25js****

RegionId

string

No

The region ID to query. Default value: ap-southeast-1, which indicates that the regions of cloud assets that can be protected by the Anti-DDoS Origin instance in the China (Hangzhou) region are queried.

To query other region IDs, see Regions and zones to obtain the corresponding RegionId.

cn-hangzhou

All Alibaba Cloud API operations must include common request parameters. For more information about common request parameters, see Common parameters.

For more information about sample requests, see the "Examples" section of this topic.

Response elements

Element

Type

Description

Example

object

The response parameters.

Code

string

The HTTP status code.

200

RequestId

string

The request ID.

F7CA8B4E-FB15-4336-A351-8DC29D66EA82

Success

boolean

Indicates whether the call was successful. Valid values:

  • true: The call was successful.

  • false: The call failed.

true

Regions

array<object>

The region information of cloud assets that can be protected by Anti-DDoS Origin, including region IDs and names.

object

The region information.

RegionEnName

string

The English name of the region.

China (Hangzhou)

RegionName

string

The Chinese name of the region.

华东1(杭州)

RegionId

string

The region ID.

cn-hangzhou

Examples

Success response

JSON format

{
  "Code": "200",
  "RequestId": "F7CA8B4E-FB15-4336-A351-8DC29D66EA82",
  "Success": true,
  "Regions": [
    {
      "RegionEnName": "China (Hangzhou)",
      "RegionName": "华东1(杭州)",
      "RegionId": "cn-hangzhou"
    }
  ]
}

Error response

JSON format

{
    "RequestId": "9C48E43E-58A6-4A08-A858-4C9BB9631870",
    "Regions": [
    {
        "RegionId": "cn-shenzhen"
    },
    {
        "RegionId": "cn-qingdao"
    },
    {
        "RegionId": "cn-beijing"
    },
    {
        "RegionId": "cn-shanghai"
    },
    {
        "RegionId": "cn-hongkong"
    },
    {
        "RegionId": "cn-huhehaote"
    },
    {
        "RegionId": "cn-zhangjiakou"
    },
    {
        "RegionId": "us-west-1"
    },
    {
        "RegionId": "cn-hangzhou"
    }
    ],
    "Success": true,
    "Code": "200"
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.