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ApsaraDB RDS:DescribeRegionInfos

Last Updated:Aug 28, 2026

Queries the regions.

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.

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 generated token is unique among different requests. The token can contain only ASCII characters and cannot exceed 64 characters in length.

ETnLKlblzczshOTUbOCz*****
RegionId string No

The region ID.

cn-hangzhou

Response parameters

Parameter Type Description Example
object

The response parameters.

RequestId string

The request ID.

5414A4E5-4C36-4461-95FC-************
Regions array<object>

A list of regions.

RDSRegion object
RegionId string

The region ID.

cn-hangzhou

Examples

Sample success responses

JSONformat

{
  "RequestId": "5414A4E5-4C36-4461-95FC-************",
  "Regions": {
    "RDSRegion": [
      {
        "RegionId": "cn-hangzhou"
      }
    ]
  }
}

Error codes

HTTP status code Error code Error message Description
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 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. Hello customer, this area has been abolished.
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. No payment method has been 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 InvaildEngineInRegion.NotAvailable The Engine in the Region is not available. The database engine is not supported in the region.
403 OperationDenied The resource is out of usage. Insufficient resources. Contact on-duty engineers to increase the inventory.
403 RegionUnauthorized There is no authority to create instance in the specified region. RDS instances cannot create in this region. Specify a different region and try again.
403 QuotaExceeded.CreateInstance The quota of create instance exceeds. The maximum number of instances has been exceeded. Release the instances that are no longer needed.
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 InvalidRegionId.NotFound The provided RegionId does not exist in our records. The region ID cannot be found. Check the region ID.
404 InvalidRegionId.NotFound The DBInstanceId provided does not exist in our records. The instance ID cannot be found. Modify the instance ID and try again.

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

Change history

Change time Summary of changes Operation
2024-11-18 API Description Update. The Error code has changed View Change Details
2022-08-09 The Error code has changed. The request parameters of the API has changed. The response structure of the API has changed View Change Details
2022-06-13 Add Operation View Change Details