Queries the details about the available instance types.
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action
policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resources
is used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
Operation | Access level | Resource type | Condition key | Associated operation |
---|---|---|---|---|
rds:ListClasses | Read |
|
| none |
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 generated 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 |
DBInstanceId | string | No | The ID of the primary instance. You can call the DescribeDBInstances operation to query the ID of the primary instance. NoteIf you use CommodityCode to query the instance types that are available to read-only instances, you must specify the DBInstanceId parameter. | rm-uf6wjk5xxxxxxx |
OrderType | string | Yes | The type of order that you want to query. Valid values:
| BUY |
RegionId | string | No | The ID of the region. You can call the DescribeRegions operation to query the most recent region list. NoteIf you are using an Alibaba Cloud account on the International site (alibabacloud.com), you must specify the RegionId parameter. | cn-hangzhou |
Response parameters
Examples
Sample success responses
JSON
format
{
"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. |
403 | Forbidden.Authentication | The operation is forbidden by Aliyun Realname Authentication System. | - |
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 codes of the API operation change. | |||||||||
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2022-09-13 | The error codes of the API operation change. | |||||||||
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