You can call this operation to query the most recent region list.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeRegions

The operation that you want to perform. Set the value to DescribeRegions.

AcceptLanguage String No en-US

The supported natural languages. Valid values:

  • zh-CN: Chinese. This is the default value.
  • en-US: English.
  • ja: Japanese.

Response parameters

Parameter Type Example Description
Regions Array

The list of regions.

Region
LocalName String China (Hangzhou)

The name of the region.

RegionEndpoint String cassandra.aliyuncs.com

The endpoint of the region.

RegionId String cn-hangzhou

The ID of the region. Example: cn-hangzhou.

Zones Array

The list of zones.

Zone
Id String cn-hangzhou-b

The ID of the zone.

RequestId String F20BBD34-681D-4613-8EFA-259DF510A897

The ID of the request.

Examples

Sample requests

http(s)://[Endpoint]/? Action=DescribeRegions
&<Common request parameters>

Sample success responses

XML format

<RequestId>F20BBD34-681D-4613-8EFA-259DF510A897</RequestId>
<Regions>
    <Region>
        <RegionId>cn-hangzhou</RegionId>
        <RegionEndpoint>cassandra.aliyuncs.com</RegionEndpoint>
        <LocalName>China (Hangzhou)</LocalName>
        <Zones>
            <Zone>
                <Id>cn-hangzhou-h</Id>
            </Zone>
            <Zone>
                <Id>cn-hangzhou-i</Id>
            </Zone>
            <Zone>
                <Id>cn-hangzhou-b</Id>
            </Zone>
            <Zone>
                <Id>cn-hangzhou-e</Id>
            </Zone>
            <Zone>
                <Id>cn-hangzhou-f</Id>
            </Zone>
            <Zone>
                <Id>cn-hangzhou-g</Id>
            </Zone>
        </Zones>
    </Region>
    <Region>
        <RegionId>cn-shanghai</RegionId>
        <RegionEndpoint>cassandra.aliyuncs.com</RegionEndpoint>
        <LocalName>China (Shanghai)</LocalName>
        <Zones>
            <Zone>
                <Id>cn-shanghai-g</Id>
            </Zone>
            <Zone>
                <Id>cn-shanghai-e</Id>
            </Zone>
            <Zone>
                <Id>cn-shanghai-f</Id>
            </Zone>
            <Zone>
                <Id>cn-shanghai-a</Id>
            </Zone>
            <Zone>
                <Id>cn-shanghai-b</Id>
            </Zone>
            <Zone>
                <Id>cn-shanghai-c</Id>
            </Zone>
            <Zone>
                <Id>cn-shanghai-d</Id>
            </Zone>
        </Zones>
    </Region>
    <Region>
        <RegionId>cn-qingdao</RegionId>
        <RegionEndpoint>cassandra.aliyuncs.com</RegionEndpoint>
        <LocalName>China (Qingdao)</LocalName>
        <Zones>
            <Zone>
                <Id>cn-qingdao-b</Id>
            </Zone>
            <Zone>
                <Id>cn-qingdao-c</Id>
            </Zone>
        </Zones>
    </Region>
    <Region>
        <RegionId>cn-beijing</RegionId>
        <RegionEndpoint>cassandra.aliyuncs.com</RegionEndpoint>
        <LocalName>China (Beijing)</LocalName>
        <Zones>
            <Zone>
                <Id>cn-beijing-h</Id>
            </Zone>
            <Zone>
                <Id>cn-beijing-g</Id>
            </Zone>
            <Zone>
                <Id>cn-beijing-f</Id>
            </Zone>
            <Zone>
                <Id>cn-beijing-a</Id>
            </Zone>
            <Zone>
                <Id>cn-beijing-b</Id>
            </Zone>
            <Zone>
                <Id>cn-beijing-c</Id>
            </Zone>
            <Zone>
                <Id>cn-beijing-d</Id>
            </Zone>
            <Zone>
                <Id>cn-beijing-e</Id>
            </Zone>
        </Zones>
    </Region>
    <Region>
        <RegionId>cn-shenzhen</RegionId>
        <RegionEndpoint>cassandra.aliyuncs.com</RegionEndpoint>
        <LocalName>China (Shenzhen)</LocalName>
        <Zones>
            <Zone>
                <Id>cn-shenzhen-d</Id>
            </Zone>
            <Zone>
                <Id>cn-shenzhen-e</Id>
            </Zone>
            <Zone>
                <Id>cn-shenzhen-a</Id>
            </Zone>
            <Zone>
                <Id>cn-shenzhen-b</Id>
            </Zone>
            <Zone>
                <Id>cn-shenzhen-c</Id>
            </Zone>
        </Zones>
    </Region>
    <Region>
        <RegionId>cn-hongkong</RegionId>
        <RegionEndpoint>cassandra.aliyuncs.com</RegionEndpoint>
        <LocalName>China (Hong Kong)</LocalName>
        <Zones>
            <Zone>
                <Id>cn-hongkong-b</Id>
            </Zone>
            <Zone>
                <Id>cn-hongkong-c</Id>
            </Zone>
        </Zones>
    </Region>
    <Region>
        <RegionId>ap-southeast-1</RegionId>
        <RegionEndpoint>cassandra.aliyuncs.com</RegionEndpoint>
        <LocalName>Singapore</LocalName>
        <Zones>
            <Zone>
                <Id>ap-southeast-1c</Id>
            </Zone>
            <Zone>
                <Id>ap-southeast-1a</Id>
            </Zone>
            <Zone>
                <Id>ap-southeast-1b</Id>
            </Zone>
        </Zones>
    </Region>
</Regions>

JSON format

{
  "RequestId": "F20BBD34-681D-4613-8EFA-259DF510A897",
  "Regions": {
    "Region": [
      {
        "RegionId": "cn-hangzhou",
        "RegionEndpoint": "cassandra.aliyuncs.com",
        "LocalName":"China (Hangzhou)",
        "Zones": {
          "Zone": [
            {
              "Id": "cn-hangzhou-h"
            },
            {
              "Id": "cn-hangzhou-i"
            },
            {
              "Id": "cn-hangzhou-b"
            },
            {
              "Id": "cn-hangzhou-e"
            },
            {
              "Id": "cn-hangzhou-f"
            },
            {
              "Id": "cn-hangzhou-g"
            }
          ]
        }
      },
      {
        "RegionId": "cn-shanghai",
        "RegionEndpoint": "cassandra.aliyuncs.com",
        "LocalName":"China (Shanghai)",
        "Zones": {
          "Zone": [
            {
              "Id": "cn-shanghai-g"
            },
            {
              "Id": "cn-shanghai-e"
            },
            {
              "Id": "cn-shanghai-f"
            },
            {
              "Id": "cn-shanghai-a"
            },
            {
              "Id": "cn-shanghai-b"
            },
            {
              "Id": "cn-shanghai-c"
            },
            {
              "Id": "cn-shanghai-d"
            }
          ]
        }
      },
      {
        "RegionId": "cn-qingdao",
        "RegionEndpoint": "cassandra.aliyuncs.com",
        "LocalName":"China (Qingdao)",
        "Zones": {
          "Zone": [
            {
              "Id": "cn-qingdao-b"
            },
            {
              "Id": "cn-qingdao-c"
            }
          ]
        }
      },
      {
        "RegionId": "cn-beijing",
        "RegionEndpoint": "cassandra.aliyuncs.com",
        "LocalName":"China (Beijing)",
        "Zones": {
          "Zone": [
            {
              "Id": "cn-beijing-h"
            },
            {
              "Id": "cn-beijing-g"
            },
            {
              "Id": "cn-beijing-f"
            },
            {
              "Id": "cn-beijing-a"
            },
            {
              "Id": "cn-beijing-b"
            },
            {
              "Id": "cn-beijing-c"
            },
            {
              "Id": "cn-beijing-d"
            },
            {
              "Id": "cn-beijing-e"
            }
          ]
        }
      },
      {
        "RegionId": "cn-shenzhen",
        "RegionEndpoint": "cassandra.aliyuncs.com",
        "LocalName":"China (Shenzhen)",
        "Zones": {
          "Zone": [
            {
              "Id": "cn-shenzhen-d"
            },
            {
              "Id": "cn-shenzhen-e"
            },
            {
              "Id": "cn-shenzhen-a"
            },
            {
              "Id": "cn-shenzhen-b"
            },
            {
              "Id": "cn-shenzhen-c"
            }
          ]
        }
      },
      {
        "RegionId": "cn-hongkong",
        "RegionEndpoint": "cassandra.aliyuncs.com",
        "LocalName": "China (Hong Kong)"
        "Zones": {
          "Zone": [
            {
              "Id": "cn-hongkong-b"
            },
            {
              "Id": "cn-hongkong-c"
            }
          ]
        }
      },
      {
        "RegionId": "ap-southeast-1",
        "RegionEndpoint": "cassandra.aliyuncs.com",
        "LocalName": "Singapore",
        "Zones": {
          "Zone": [
            {
              "Id": "ap-southeast-1c"
            },
            {
              "Id": "ap-southeast-1a"
            },
            {
              "Id": "ap-southeast-1b"
            }
          ]
        }
      }
    ]
  }
}

Error codes

For a list of error codes, visit the API Error Center.