You can call this operation to view the available regions and zones of ApsaraDB for MongoDB instances.

To query available regions and zones where ApsaraDB for MongoDB instances can be created, call the DescribeAvailableResource operation.

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.

RegionId String No cn-hangzhou

The ID of the region. If you do not specify this parameter, the IDs of all supported regions are returned.

Response parameters

Parameter Type Example Description
Regions Array of DdsRegion

Details about the regions.
DdsRegion
RegionId String cn-qingdao

The ID of the region.

Note For more information about region names and IDs, see Regions and zones.
Zones Array of Zone

Details about the zones.
Zone
VpcEnabled Boolean true

Indicates whether VPC is supported.
ZoneName String Hangzhou Zone H

The name of the zone.
RequestId String 4E46C22C-D3B7-4DB8-9C76-63851BE68E20

The ID of the request.

Examples

Sample requests

http(s)://mongodb.aliyuncs.com/? Action=DescribeRegions
&<Common request parameters>

Sample success responses

XML format 

<RequestId>4E46C22C-D3B7-4DB8-9C76-63851BE68E20</RequestId>
<Regions>
    <DdsRegion>
        <RegionId>cn-qingdao</RegionId>
    </DdsRegion>
    <DdsRegion>
        <Zones>
            <Zone>
                <ZoneName>Hangzhou Zone H</ZoneName>
                <VpcEnabled>true</VpcEnabled>
            </Zone>
        </Zones>
    </DdsRegion>
</Regions>

JSON format 

{
	"RequestId":"4E46C22C-D3B7-4DB8-9C76-63851BE68E20",
	"Regions":{
		"DdsRegion":[
			{
				"RegionId":"cn-qingdao"
			},
			{
				"Zones":{
					"Zone":[
						{
							"ZoneName":"Hangzhou Zone H",
							"VpcEnabled":"true"
						}
					]
				}
			}
		]
	}
}

Error codes

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