ListClasses - ApsaraDB RDS - Alibaba Cloud Documentation Center

Queries the specification details of an instance.

Operation description

Supported database engines

MySQL
PostgreSQL
SQL Server
MariaDB

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Debug

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

Parameter	Type	Required	Description	Example
ClientToken	string	No	The client token that is used to ensure the idempotence of the request. You can use the client to generate the token, but you must make sure that the token is unique among different requests. The token can contain only ASCII characters and cannot exceed 64 characters in length.	ETnLKlblzczshOTUbOCzxxxxxxx
CommodityCode	string	Yes	The commodity code of the instances. bards_intl: The instances are pay-as-you-go primary instances. rds_intl: The instances are subscription primary instances. rords_intl: The instances are pay-as-you-go read-only instances. rds_rordspre_public_intl: The instances are subscription read-only instances.	bards_intl
DBInstanceId	string	No	The instance ID. You can call the DescribeDBInstances operation to query the instance ID. Note If you set the CommodityCode parameter to the commodity code of read-only instances, you must specify this parameter.	rm-uf6wjk5xxxxxxx
OrderType	string	Yes	The type of order that you want to query. Valid values: BUY: specifies the query orders that are used to purchase instances. UPGRADE: specifies the query orders that are used to change the specifications of instances. RENEW: specifies the query orders that are used to renew instances. CONVERT: specifies the query orders that are used to change the billing methods of instances.	BUY
RegionId	string	No	The region ID. You can call the DescribeRegions operation to query the most recent region list. Note If you are using an Alibaba Cloud account on the International site (alibabacloud.com), you must specify this parameter.	cn-hangzhou
Engine	string	No	The database engine of the instance. Valid values: MySQL SQLServer PostgreSQL MariaDB	MySQL

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
RequestId	string	The ID of the request.	CF8D35BF-263D-4F7B-883A-1163B79A9EC6
RegionId	string	The ID of the region.	cn-hangzhou
Items	array<object>	The list of instance specifications.
ClassList	object	The data returned.
MaxIOPS	string	The maximum input/output operations per second (IOPS) that is supported by the instance type. Unit: operations per second.	10000
Cpu	string	The number of CPU cores that are supported by the instance type. Unit: cores.	1
ReferencePrice	string	The fee that you must pay for the instance type. Unit: cents (USD). Note If you set CommodityCode to a value that indicates the pay-as-you-go billing method, the ReferencePrice parameter specifies the hourly fee that you must pay. If you set CommodityCode to a value that indicates the subscription billing method, the ReferencePrice parameter specifies the monthly fee that you must pay.	2500
MaxConnections	string	The maximum number of connections that are supported by the instance type. Unit: connections.	2000
MemoryClass	string	The memory size that is supported by the instance type. Unit: GB.	1 GB (RDS Basic Edition)
ClassCode	string	The code of the instance type. For more information, see Primary ApsaraDB RDS instance types and Read-only ApsaraDB RDS instance types.	mysql.n1.micro.1
ClassGroup	string	The instance family. For more information, see Overview of instance families.	General
MaxIOMBPS	string	The maximum I/O bandwidth that is supported by the instance type. Unit: Mbit/s.	1024Mbps
EncryptedMemory	string	The size of the encrypted memory that is supported by the security-enhanced instance type. Unit: GB.	4
InstructionSetArch	string	The architecture of the instance type. Valid values: If the architecture of the instance type is x86, an empty string is returned by default. If the architecture of the instance type is ARM, arm is returned.	arm
category	string	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 or PostgreSQL AlwaysOn: RDS Cluster Edition for ApsaraDB RDS for SQL Server Finance: RDS Basic Edition for serverless instances Serverless instance serverless_basic: RDS Basic Edition for serverless instances. This edition is available only for instances that run MySQL and PostgreSQL. serverless_standard: RDS High-availability Edition for serverless instances. This edition is available only for instances that run MySQL and PostgreSQL. serverless_ha: RDS High-availability Edition for serverless instances. This edition is available only for instances that run SQL Server.	Basic
storageType	string	The storage type of the instance.	cloud_essd

Examples

Sample success responses

JSONformat

{
  "RequestId": "CF8D35BF-263D-4F7B-883A-1163B79A9EC6",
  "RegionId": "cn-hangzhou",
  "Items": [
    {
      "MaxIOPS": "10000",
      "Cpu": "1",
      "ReferencePrice": "2500",
      "MaxConnections": "2000",
      "MemoryClass": "1 GB (RDS Basic Edition)\n",
      "ClassCode": "mysql.n1.micro.1",
      "ClassGroup": "General\n",
      "MaxIOMBPS": "1024Mbps",
      "EncryptedMemory": "4",
      "InstructionSetArch": "arm",
      "category": "Basic",
      "storageType": "cloud_essd"
    }
  ]
}

Error codes

HTTP status code	Error code	Error message	Description
400	InvalidSecurityIPList.Malformed	The specified parameter SecurityIPList is not valid.	-
400	InvalidSecurityIPList.Duplicate	The Security IP address is not in the available range or occupied.	The IP address is invalid. Specify a valid IP address.
400	InvalidCommodityCode.Malformed	The commodity code is invalid.	The commodity code is invalid.
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 cost and cost 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	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.	Hello customer, this area has been abolished.
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	Api.NotSupport	Specified api is not supported.	The current interface does not support.
400	ContainForbiddenLabelError	There is a label that prohibits placing orders. Please contact your distributor for assistance.	You cannot place the order because a tag indicates that order placement is prohibited. Contact your distributor.
400	InvalidDBInstanceId.NotFound	The DBInstanceId provided does not exist in records.	The DBInstanceId provided does not exist.
400	InvalidInstanceLevel.DiskType	Specified instance level not support request disk type	The current instance type does not support the specified storage type.
400	InvalidParam	Sepcified wal level Parameter is invalid. There are still logical slots in instance, so it can not be set as replica.	The specified wal_level parameter is invalid. There is still a copy slot in the instance, so it cannot be set to replica.
400	KmsApiError	User secret key invalid.	The user key is invalid.
400	System.SaleValidateFailed	Sales expression validation system error.	A system error occurs when the sales expression is verified.
400	Abs.InvalidAccount.NotFound	account is not found.	The account does not exist.
400	SqlExecuteFailedOrTimeout	sql command execution failed or timed out:%s.	SQL command execution failed or timed out
400	ColdData.EngineVersionNotSupport	The current instance engine version not support coldDataEnabled.	The current instance engine version not support coldDataEnabled.
400	ColdData.MinorVersionNotSupport	The current instance minor version not support coldDataEnabled.	The current instance minor version not support coldDataEnabled.
400	IncorrectTargetClasscode	The current instance type does not support this operation.	This operation is not supported by the instance type.
400	InvalidConnectionString.Duplicate	Specified connection string already exists in the RDS.	The link address name is duplicate. Please reset the connection string.
400	RequiredParam.NotFound	Required input param is not found.	-
400	Parameters.Invalid	Parameter error, please check the parameters.	Parameter error, please check the parameters.
400	BackupPolicyNotSupport	Cold Data won't open with CrossBackup or Flash Backup, please check Backup Policy.	Cold Data won't open with CrossBackup or Flash Backup, please check Backup Policy.
400	InvalideStatus.Format	The instance status does not support this operation.	-
400	InvalidReleasedKeepPolicy.Format	Specified Released Keep Policy is not valid.	Specified Released Keep Policy is not valid.
400	InvalidDBInstanceEngineType.Format	the DB instance engine type does not support this operation.	This operation is not supported for the database engine of the instance.
400	Pay.NoCreditCard	No credit cards.	No credit cards.
400	VpcNetworkTypeNotSupport	The vpc network type instance does not support this operation.	The vpc network type instance does not support this operation.
400	MirrorInsExists	Specified DB instance mirror ins already existed.	Specified DB instance mirror ins already existed.
400	UnsupportedClassCode	The specified DB instance class stops selling.	The specified DB instance class stops selling.
400	InvalidBackupSet	The specified database does not exist in the backup set.	The specified database does not exist in the backup set.
400	OrdTCommodityQueryError	Failed to query for product.	Failed to query product.
400	ProductInstanceReleased	The instance has been released. Please check before placing the order.	The instance has been released, please verify and place an order.
400	RegionEndTimeDissolvedIndia	The region is no longer supported.	The region is no longer supported.
403	Forbidden.Authentication	The operation is forbidden by Aliyun Realname Authentication System.	-
403	OrderStatus.UnPaid	The specified db instance has unpaid order.	The instance has an unpaid order. Please pay first and try again.
403	InvalidReduceDiskSize	The storage capacity after the scale-down must be larger than the used amount.	The scale-in target capacity cannot be less than the current storage space usage
403	CloudSSDNotSupport	Cloud ssd does not support this operation, please upgrade to essd.	-
403	InvalidUserOperatorPermission	The user permission does not support this operation.	The user is not authorized to perform this operation.
403	InvalidVswitchId	Specified conn vswitch id is not valid.	-
403	IncorrectMinorVersion	Current engine minor version does not support operations.	This operation is not supported for the current minor engine version.
403	OperationDenied.ZoneResource	There is no available zone for inventory.	There is no available zone for inventory.
403	NotInFlowController	Sorry,no permission.	Sorry,no permission.
403	InvalidKmsKey	Kms key is disabled.	-
403	InvalidInstanceLevel.Malformed	Current DB instance level does not support this operation.	The specified database instance type does not support this operation.
404	GetCommodity.Failed	Get commodity failed.	Failed to obtain commodity information. The value of the CommodityCode parameter is invalid. Check the value of this parameter.
404	InvalidDBInstanceName.NotFound	Invalid DBInstanceId NotFound.	The instance ID cannot be found.
404	InvalidClusterKms	The current instance does not authorized to access the Key Management Service.	The instance does not have permissions to access Key Management Service (KMS).
404	Request.NotFound	The requested resource is not available.	The requested resources are unavailable.
404	HostInfo.NotFound	The specified host info is not found.	-
500	ExternalFailure	The request processing has failed due to external service failure.	The request processing has failed due to external service failure.
500	RequestMetaDataFailed	The service request failed. Please try again later or contact service personnel.	The service request failed. Please try again later or contact service personnel.
500	InvokeProxyFailure	The request processing has failed due to service failure of rds api.	The request failed to be processed due to an RDS API failure.

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

Change history

Change time	Summary of changes	Operation
2024-11-12	API Description Update. The Error code has changed	View Change Details
2024-09-26	The Error code has changed. The request parameters of the API has changed. The response structure of the API has changed	View Change Details
2022-09-13	The Error code has changed	View Change Details
2022-09-13	The Error code has changed	View Change Details