DescribeAvailableZones - ApsaraDB RDS - Alibaba Cloud Documentation Center

Queries the available zones for an instance.

Operation description

Supported database engines

RDS MySQL
RDS PostgreSQL
RDS SQL Server
RDS MariaDB

Note You can call this operation to query the available zones for an instance. The query result may be different from the zones available on the buy page of the ApsaraDB RDS console. The values of some parameters on the buy page vary based on the actual sales policy. The actual information on the buy page prevails.

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
RegionId	string	Yes	The region ID. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
Engine	string	Yes	The database engine of the instance. Valid values: MySQL SQLServer PostgreSQL MariaDB	MySQL
ZoneId	string	No	The zone ID. If the instance spans more than one zone, the value of this parameter contains an `MAZ` part, such as `cn-hangzhou-MAZ6(b,f)` and `cn-hangzhou-MAZ5(b,e,f)`. You can call the DescribeRegions operation to query the most recent zone list.	cn-hangzhou-e
EngineVersion	string	No	The database engine version. Valid values: Regular instance Valid values if you set Engine to MySQL: 5.5, 5.6, 5.7, and 8.0 Valid values if you set Engine to SQLServer: 2008r2, 08r2_ent_ha, 2012, 2012_ent_ha, 2012_std_ha, 2012_web, 2014_std_ha, 2016_ent_ha, 2016_std_ha, 2016_web, 2017_std_ha, 2017_ent, 2019_std_ha, and 2019_ent Valid values if you set Engine to PostgreSQL: 10.0, 11.0, 12.0, 13.0, 14.0, and 15.0 Valid value when you set Engine to MariaDB: 10.3 Serverless instance Valid values if you set Engine to MySQL: 5.7 and 8.0 Valid values if you set Engine to SQLServer: 2016_std_sl, 2017_std_sl, and 2019_std_sl Valid value if you set Engine to PostgreSQL: 14.0 Note**ApsaraDB RDS for MariaDB does not support serverless instances.	8.0
CommodityCode	string	No	The commodity code of the instance. This operation can return the resources that you can purchase based on the specified commodity code. Valid values: bards: The instance is a pay-as-you-go primary instance. This value is available at the China site (aliyun.com). rds: The instance is a subscription primary instance. This value is available at the China site (aliyun.com). rords: The instance is a pay-as-you-go read-only instance. This value is available at the China site (aliyun.com). rds_rordspre_public_cn: The instance is a subscription read-only instance. This value is available at the China site (aliyun.com). bards_intl: The instance is a pay-as-you-go primary instance. This value is available at the International site (alibabacloud.com). rds_intl: The instance is a subscription primary instance. This value is available at the International site (alibabacloud.com). rords_intl: The instance is a pay-as-you-go read-only instance. This value is available at the International site (alibabacloud.com). rds_rordspre_public_intl: The instance is a subscription read-only instance. This value is available at the International site (alibabacloud.com). rds_serverless_public_cn: The instance is a serverless instance. This value is available at the China site (aliyun.com). rds_serverless_public_intl: The instance is a serverless instance. This value is available at the International site (alibabacloud.com).	bards
DispenseMode	string	No	Specifies whether to return the zones in which the single-zone deployment method is supported. Valid values: 1 (default): returns the zones. 0: does not return the zones. Note The single-zone deployment method allows you to deploy an instance that runs RDS Enterprise Edition in a single zone.	0
DBInstanceName	string	No	The ID of the primary instance. If you want to query the read-only instances that you can purchase for a primary instance, you can specify this parameter. If you set CommodityCode to one of the following values, you must specify this parameter: rords_intl rds_rordspre_public_intl rords rds_rordspre_public_cn	rm-uf6wjk5xxxxxxx
Category	string	No	The RDS edition of the instance. Valid values: Regular instance Basic: RDS Basic Edition. HighAvailability: RDS High-availability Edition. cluster: RDS Cluster Edition for ApsaraDB RDS for MySQL. AlwaysOn: RDS Cluster Edition for ApsaraDB RDS for SQL Server. Finance: RDS Enterprise Edition. Serverless instance serverless_basic: RDS Basic Edition. This edition is available only for instances that run MySQL and PostgreSQL. serverless_standard: RDS High-availability Edition for ApsaraDB RDS for MySQL. serverless_ha: RDS High-availability Edition for ApsaraDB RDS for SQL Server.	HighAvailability

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
RequestId	string	The ID of the request.	4256E149-C3C4-4FA7-BDEA-13CA415E8763
AvailableZones	object []	The available zones in the region.
ZoneId	string	The zone ID.	cn-hangzhou-e
RegionId	string	The region ID.	cn-hangzhou
SupportedEngines	object []	The database engines that are available for purchase.
Engine	string	The database engine of the instance.	MySQL
SupportedEngineVersions	object []	The database engine versions that are available for purchase.
Version	string	The database engine version.	8.0
SupportedCategorys	object []	The RDS editions that are available that are available for purchase.
Category	string	The RDS edition of the instance.	HighAvailability
SupportedStorageTypes	object []	The storage types that are available for purchase.
StorageType	string	The storage type of the instance.	local_ssd

Examples

Sample success responses

JSONformat

{
  "RequestId": "4256E149-C3C4-4FA7-BDEA-13CA415E8763",
  "AvailableZones": [
    {
      "ZoneId": "cn-hangzhou-e",
      "RegionId": "cn-hangzhou",
      "SupportedEngines": [
        {
          "Engine": "MySQL",
          "SupportedEngineVersions": [
            {
              "Version": "8.0",
              "SupportedCategorys": [
                {
                  "Category": "HighAvailability",
                  "SupportedStorageTypes": [
                    {
                      "StorageType": "local_ssd"
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}

Error codes

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

Change history

Change time	Summary of changes	Operation

No change history

HTTP status code	Error code	Error message	Description
400	ArticleNotFound	Article not found	No relevant constraints are found.
400	Order.ComboInstanceNotAllowOperate	A package instance is not allowed to operate independently.	A package instance is not allowed to operate independently.
400	Price.PricingPlanResultNotFound	Pricing plan price result not found.	Pricing plan price result not found.
400	Order.NoRealNameAuthentication	You have not passed the real-name authentication and do not meet the purchase conditions. Please log in to the user center for real-name authentication.	You have not passed the real-name authentication and do not meet the purchase conditions. Please log in to the user center for real-name authentication.
400	InsufficientAvailableQuota	Your account quota limit is less than 0, please recharge before trying to purchase.	Your account available limit is less than 0, please recharge before trying to purchase.
400	CommodityServiceCalling.Exception	Failed to call commodity service.	Failed to call commodity service return.
400	RegionDissolvedEOM	Dear customer, Alibaba Cloud plans to optimize and adjust the current region. Cloud services in this region will cease operations. You are currently unable to operate new purchase orders. Thank you for your understanding and support.	Hello, Alibaba Cloud plans to optimize and adjust the current region. Cloud services in this region will stop operating. In order to ensure your business continuity and smooth transition of data migration, you are currently unable to operate new purchase orders. Thank you for your understanding and support.
400	Commodity.InvalidComponent	The module you purchased is not legal, please buy it again.	The module you purchased is not legal, please buy it again.
400	RegionEndTimeDissolvedIndia	Cloud services in the India (Mumbai) region will be discontinued. Set the validity date to July 15, 2024 or earlier than July 15, 2024.	Cloud services in the India (Mumbai) region will be discontinued. Set the validity date to July 15, 2024 or earlier than July 15, 2024.
400	RegionEndTimeDissolvedAustralia	Cloud services in the Australia (Sydney) region will be discontinued. Set the validity date to September 30, 2024 or earlier than September 30, 2024.	Cloud services in the Australia (Sydney) region will be discontinued. Set the validity date to September 30, 2024 or earlier than September 30, 2024.
400	Price.CommoditySys	Commodity system call exception.	Commodity system call exception.
400	Pay.InsufficientBalance	Insufficient available balance.	Insufficient available balance.
400	Order.PeriodInvalid	There is a problem with the period you selected, please choose again.	There is a problem with the period you selected, please choose again.
400	pay.noCreditCard	Account not bound to credit card.	-
400	Order.InstHasUnpaidOrder	There is an unpaid order for the service you have purchased. Please pay or void it before placing the order.	There is an unpaid order for the service you have purchased. Please pay or void it before placing the order.
400	noAvailablePaymentMethod	No payment method is specified for your account. We recommend that you add a payment method.	-
400	BasicInfoUncompleted	Your information is incomplete. Complete your information before the operation.	Your basic information is not complete, please complete your basic information before operation.
400	Risk.RiskControlRejection	Your account is abnormal, please contact customer service for details.	Your account is abnormal, please contact customer service for details.
400	BasicInfoUncompleted	Your information is incomplete, Complete your information before the operation.	-
400	System.SaleValidateFailed	Sales expression validation system error.	A system error occurs when the sales expression is verified.
403	OrderStatus.UnPaid	The specified db instance has unpaid order.	The instance has an unpaid order. Please pay first and try again.
404	InvalidDBInstanceName.NotFound	DBInstanceName not found	-