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

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
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

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	object []	The list of instance specifications.
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

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"
    }
  ]
}

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 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	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.
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.

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

Change history

Change time

Summary of changes

Operation

2022-09-13

The Error code has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	Error Codes 400 change
	delete Error Codes: 403
	delete Error Codes: 404

2022-09-13

The Error code has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	Error Codes 400 change
	delete Error Codes: 403
	delete Error Codes: 404