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ApsaraDB RDS:ModifyDBProxyEndpointAddress

Last Updated:May 29, 2023

Modifies the endpoint that is used to connect to the dedicated proxies of an instance.

Operation Description

After you enable the database proxy feature, a default proxy endpoint is generated. The proxy terminal feature is bound to the default proxy endpoint. You can create, modify, or delete a proxy endpoint.

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.
OperationAccess levelResource typeCondition keyAssociated operation
  • RDS
  • rds:ResourceTag

Request parameters


The ID of the instance. You can call the DescribeDBInstances operation to query the ID of the instance.


The ID of the proxy endpoint. You can call the DescribeDBProxyEndpoint operation to query the ID of the proxy endpoint.


The new prefix of the proxy endpoint. Enter a prefix.

NoteYou must specify at least one of the DBProxyNewConnectString and DBProxyNewConnectStringPort parameters.

The port number that is associated with the proxy endpoint. Enter a port number.

NoteYou must specify at least one of the DBProxyNewConnectString and DBProxyNewConnectStringPort parameters.

The network type of the proxy endpoint. Valid values:

  • Public: Internet
  • VPC: virtual private cloud (VPC)
  • Classic: classic network

If the instance runs MySQL, the default value of this parameter is Classic.

NoteIf the instance runs PostgreSQL, you must set this parameter to Public or VPC.

An internal parameter. You do not need to specify this parameter.


Response parameters


The ID of the request.



Sample success responses


  "RequestId": "50F6C32B-DD73-4DA1-ADA2-0EAF2B0FCD8A"

Error codes

HTTP status codeError codeError messageDescription
400InvalidConnectionString.FormatSpecified connection string is not valid.The endpoint of the RDS instance is invalid. The prefix of the endpoint must be 5 to 40 characters in length.
400InvalidPort.MalformedSpecified port is not valid.The port number is invalid.
400InvalidConnectionString.DuplicateSpecified connection string already exists in the Aliyun RDS.The endpoint is duplicate. Specify a different endpoint.
400InvalidConnectionStringOrPort.DuplicateSpecified connection string or port want to be modified is the same with current net type.The endpoint or the port number is duplicate. Modify the endpoint or the port number.
400InvalidDBInstanceNameSpecified parameter DBInstanceName is not valid.The value of the DBInstanceName parameter is invalid. Check that the value of this parameter is not null or an empty string.
403ParameterLeastAssociateMust input at least one optional parameter.The point in time or the data backup file cannot be left unspecified. Specify a point in time or a data backup file and try again.
403NetTypeChangeTimesExceededExceeding the daily net type change times of the DB instance.-
404InvalidConnectionString.NotFoundSpecified connection string or net type is not found.The endpoint cannot be found. Check the endpoint.
404InsufficientResourceCapacityThere is insufficient capacity available for the requested instance.-
404Endpoint.NotFoundSpecified endpoint is not found.The port that is associated with the dedicated proxy endpoint cannot be found.

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

Change history

Change timeSummary of changesOperation
2022-06-08The error codes of the API operation change.,The input parameters of the API operation change.
Change itemChange content
Error CodesThe error codes of the API operation change.
    delete Error Codes: 400
    delete Error Codes: 403
    delete Error Codes: 404
Input ParametersThe input parameters of the API operation change.
    Added Input Parameters: DBProxyEngineType