DescribeRegions - ApsaraDB RDS - Alibaba Cloud Documentation Center

Queries the details of the regions that are available for ApsaraDB RDS.

Operation description

Before you call the CreateDBInstance operation to create an RDS instance, you can call the DescribeRegions operation to query the available regions and zones.

Note If a zone supports the multi-zone deployment method, the value of the ZoneId parameter for the zone contains an MAZ part. Examples: cn-hangzhou-MAZ6(b,f) and cn-hangzhou-MAZ5(b,e,f).

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

Parameter	Type	Required	Description	Example
AcceptLanguage	string	No	The language that is used for the return value of the LocalName parameter. Valid values: zh-CN: Chinese en-US: English Default value: en-US.	en-US

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request.	1AD222E9-E606-4A42-BF6D-8A4442913CEF
Regions	object []	An array that consists of the available regions and zones.
ZoneId	string	The ID of the zone.	cn-hangzhou-h
RegionEndpoint	string	The endpoint that is used to connect to Alibaba Cloud services in the region. For more information, see Request structure.	rds.aliyuncs.com
LocalName	string	The name of the region. The return value of the LocalName parameter is in the language that is specified by the AcceptLanguage parameter. For example, if the value of the RegionId parameter in the response is cn-hangzhou, the following values are returned for the LocalName parameter: If the value of the AcceptLanguage parameter is zh-CN, the value China (Hangzhou) is returned for the LocalName parameter. If the value of the AcceptLanguage parameter is en-US, the value China (Hangzhou) is returned for the LocalName parameter.	China (Hangzhou)
RegionId	string	The ID of the region.	cn-hangzhou
ZoneName	string	The name of the zone. The return value of the ZoneName parameter is in the language that is specified by the AcceptLanguage parameter. For example, if the value of the RegionId parameter in the response is cn-hangzhou-h, the following values are returned for the LocalName parameter: If the value of the AcceptLanguage parameter is zh-CN, the value Hangzhou Zone H is returned for the LocalName parameter. If the value of the AcceptLanguage parameter is en-US, the value Hangzhou Zone H is returned for the LocalName parameter.	Hangzhou Zone H

Examples

Sample success responses

JSONformat

{
  "RequestId": "1AD222E9-E606-4A42-BF6D-8A4442913CEF",
  "Regions": {
    "RDSRegion": [
      {
        "ZoneId": "cn-hangzhou-h",
        "RegionEndpoint": "rds.aliyuncs.com",
        "LocalName": "China (Hangzhou)",
        "RegionId": "cn-hangzhou",
        "ZoneName": "Hangzhou Zone H"
      }
    ]
  }
}

Error codes

HTTP status code	Error code	Error message
404	InvalidAcceptLanguage.NotFound	Only Chinese (zh-CN) and English (en-US) are allowed.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation

No change history