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ApsaraDB RDS:ModifyDBProxyEndpoint

Last Updated:Aug 27, 2026

Modifies the connection settings for a database proxy endpoint.

Operation description

Supported database engines

  • RDS MySQL
  • RDS PostgreSQL

References

Note Before you call this operation, read the following topics and make sure that you fully understand the prerequisites and impacts of this operation.

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

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:
    • For mandatory resource types, indicate with a prefix of * .
    • 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:ModifyDBProxyEndpoint update
*DBInstance
acs:rds:{#regionId}:{#accountId}:dbinstance/{#dbinstanceId}
  • rds:ResourceTag
none

Request parameters

Parameter Type Required Description Example
DBInstanceId string Yes

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

rm-bp145737x5bi6****
DBProxyEndpointId string No

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

Note
  • If the instance runs MySQL and you set DbEndpointOperator to Delete or Modify, you must specify DBProxyEndpointId.
  • If the instance runs PostgreSQL and you set DbEndpointOperator to Delete, Modify, or Create, you must specify DBProxyEndpointId.
  • gos787jog2wk0y****
    ConfigDBProxyFeatures string No

    The capabilities that you want to enable for the proxy endpoint. If you specify more than one capability, separate the capabilities with semicolons (;). Format: Capability 1:Status;Capability 2:Status;.... Do not add a semicolon (;) at the end of the value.

    Valid capability values:

    • ReadWriteSpliting: read/write splitting
    • ConnectionPersist: connection pooling
    • TransactionReadSqlRouteOptimizeStatus: transaction splitting
    • AZProximityAccess: nearest access
    • CausalConsistRead: read consistency

    Valid status values:

    • 1: enabled
    • 0: disabled
    Note
    • If the instance runs PostgreSQL, you can enable only read/write splitting, which is specified by ReadWriteSpliting.

    • Nearest access is supported only by dedicated database proxies for RDS instances that run MySQL.

    ReadWriteSpliting:1;ConnectionPersist:0
    RegionId string No

    The region ID. You can call the DescribeRegions operation to query the most recent region list.

    cn-hangzhou
    ReadOnlyInstanceMaxDelayTime string No

    The maximum latency threshold that is allowed for read/write splitting. If the latency on a read-only instance exceeds the threshold that you specified, the system no longer forwards read requests to the read-only instance. If you do not specify this parameter, the original value of this parameter is retained. Valid values: 0 to 3600.

    Note
    • You must specify this parameter only when read/write splitting is enabled.

    • If the database proxy endpoint has the read and write attributes, the default value of this parameter is 30 and read/write splitting is supported. If the database proxy endpoint has the read-only attribute, the default value of this parameter is -1 and read/write splitting is not supported. Unit: seconds.

    30
    CausalConsistReadTimeout string No

    The consistency read timeout period. Unit: milliseconds. Default value: 10 Unit: milliseconds. Valid values: 0 to 60000

    10
    ReadOnlyInstanceDistributionType string No

    The policy that is used to allocate read weights. Valid values:

    • Standard (default): The system automatically assigns read weights to the primary and read-only instances based on the specifications of these instances.
    • Custom: You must manually allocate read weights to the primary and read-only instances.
    Note You must specify this parameter when read/write splitting is enabled. For more information about the permission allocation policy, see Modify the latency threshold and read weights of ApsaraDB RDS for MySQL instances and Enable and configure the database proxy feature for an ApsaraDB RDS for PostgreSQL instance.
    Standard
    ReadOnlyInstanceWeight string No

    The read weights of the instance and its read-only instances. A read weight must be a multiple of 100 and cannot exceed 10000. Formats:

    • Standard instance: {"ID of the primary instance":"Weight","ID of the read-only instance":"Weight"...}

      Example: {"rm-uf6wjk5****":"500","rr-tfhfgk5xxx":"200"...}

    • Instance on RDS Cluster Edition: {"ID of the read-only instance":"Weight","DBClusterNode":{"ID of the primary node":"Weight","ID of the secondary node":"Weight","ID of the secondary node":"Weight"...}}

      Example: {"rr-tfhfgk5****":"200","DBClusterNode":{"rn-2z****":"0","rn-2z****":"400","rn-2z****":"400"...}}

      Note DBClusterNode is required if the instance runs RDS Cluster Edition. The DBClusterNode parameter includes information about IDs and weights of the primary and secondary nodes..
    {"rm-uf6wjk5xxxx":"500","rr-tfhfgk5xxx":"200"...}
    DbEndpointOperator string No

    The type of operation that you want to perform. Valid values:

    • Modify: Modify a proxy terminal. This is the default value.
    • Create: Create a proxy terminal.
    • Delete: Delete a proxy terminal.
    Modify
    DbEndpointAliases string No

    The description of the proxy terminal.

    test-proxy
    DbEndpointType string No

    The type of the proxy terminal. This is a reserved parameter. You do not need to specify this parameter.

    RWSplit
    DbEndpointReadWriteMode string No

    The read and write attributes of the proxy terminal. Valid values:

    • ReadWrite: The proxy terminal connects to the primary instance and can receive both read and write requests.
    • ReadOnly: The proxy terminal does not connect to the primary instance and can receive only read requests. This is the default value.
    Note
  • If you set DbEndpointOperator to Create, you must also specify DbEndpointReadWriteMode.
  • If the instance runs MySQL and you change the value of this parameter from ReadWrite to ReadOnly, the transaction splitting feature is disabled.
  • ReadWrite
    DBProxyEngineType string No

    A deprecated parameter. You do not need to specify this parameter.

    normal
    VSwitchId string No

    The ID of the vSwitch in the zone in which the proxy endpoint is specified. The default value is the ID of the vSwitch that corresponds to the default terminal of the database proxy. You can call the DescribeVSwitches operation to query existing vSwitches.

    vsw-uf6adz52c2p****
    EffectiveTime string No

    The effective time. Valid values:

    • Immediate: The effective time is immediate.
    • MaintainTime: The effective time is within the maintenance window. For more information, see ModifyDBInstanceMaintainTime.
    • SpecificTime: The effective time is a specified point in time.

    Default value: MaintainTime.

    MaintainTime
    EffectiveSpecificTime string No

    The point in time that you want to specify. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.

    Note If EffectiveTime is set to SpecificTime, you must specify this parameter.
    2023-05-06T07:08:09Z
    DbEndpointMinSlaveCount string No

    The minimum number of reserved instances.

    2
    VpcId string No

    The VPC ID of the zone in which the proxy endpoint is specified. The default value is the VPC ID that corresponds to the default terminal of the database proxy. You can call the DescribeDBInstanceAttribute operation to query the default VPC of an instance.

    vpc-2zeusejj******

    Response parameters

    Parameter Type Description Example
    object

    The response parameters.

    RequestId string

    The ID of the request.

    6B50D92C-1960-4D4F-A290-AFADD6B1A5C8

    Examples

    Sample success responses

    JSONformat

    {
      "RequestId": "6B50D92C-1960-4D4F-A290-AFADD6B1A5C8"
    }

    Error codes

    HTTP status code Error code Error message Description
    400 InvalidVpcInstanceId The specified VPC instance ID is invalid. -
    400 InvalidEndPoint.Format The specified EndPoint is not valid. -
    400 InvalidEndpointType.Format The specified EndpointType is invalid. The value of the EndpointType parameter is invalid. Check the value of this parameter.
    400 IncorrectDBInstanceNetType The current database instance network type does not support the operation. The operation failed. The operation is not supported for the network type of the RDS instance.
    400 EndpointNum.Error The number of endpoint is invalid. The number of proxy terminals is not supported. Check the maximum number of proxy terminals that are allowed.
    400 EndpointTypeOperation.NotSupport The endpoint type does not support the operation. The operation is not supported for the type of proxy terminal that you configure.
    400 InvalidDBInstanceName Specified 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.
    400 ClusterEndpoint.StatusNotValid The cluster endpoint status is invalid. The status of the endpoint is invalid.
    400 MaxscaleNotSupport Current custins can not support Maxscale. This operation is not supported for instances with maxscale.
    400 InvalidAvZone.Format Specified AvZone is not valid. The value of the AvZone parameter is invalid. Check the value of this parameter.
    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. 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 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.
    400 APICallingFailed Api calling failed. An internal error occurred.
    400 InvalidVSwitchId.Format The specified vswitch Id format is incorrect. -
    403 MaxScaleLevel.NotSupport The current maxscale ins_num does not support this operation. The operation failed. The specifications of the database proxy are low.
    403 ReadDBInstance.NotFound The current database instance does not contain any read only instance. The current database instance does not have a read-only instance.
    403 IncorrectKindCode The current KindCode of the custins does not support the operation. -
    403 IncorrectDBInstanceState The current database instance state does not support the operation. The operation failed. The RDS instance is not running.
    403 IncorrectDBInstanceEngine Current DB Instance engine does not support this operation. The operation failed. The operation is not supported for the database engine that is run on the RDS instance.
    403 IncorrectKindCode Current custins kindCode does not support this operation. The operation failed. The operation is not supported for the database engine that is run on the RDS instance.
    403 IncorrectDBInstanceType Current DB instance type does not support this operation. The operation failed. The RDS instance is not in a ready state.
    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 EndpointConfig.Invalid Please check the endpoint config parameter. Please check the endpoint configuration parameter.
    404 Readins.NotFound The current instance does not contain any read only instance. The operation is not supported. The operation failed. The RDS instance is not attached with read-only RDS instances.
    404 Endpoint.NotFound Specified endpoint is not found. The port that is associated with the dedicated proxy endpoint cannot be found.
    404 EndpointType.NotFound The specified endpoint type is not found. The operation failed. Unknown types of proxy terminals are detected.
    404 InvalidReadDBInstance.NotFound The specified read only database instance does not exist. The read-only RDS instance is not created, or the values of the request parameters are invalid.
    404 InvalidParam The specified Weight is invalid. The weight is invalid.
    404 Maxscale.NotFound The related maxscale instance is not found. The operation failed. No associated MaxScale instances can be found.
    404 IncorrectVswitchId The specified parameter VSwitchId is not valid. The vSwitch ID is invalid.
    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
    2025-02-27 The Error code has changed. The request parameters of the API has changed View Change Details
    2024-12-26 The Error code has changed View Change Details
    2024-12-13 The Error code has changed View Change Details
    2024-11-27 The Error code has changed. The request parameters of the API has changed View Change Details
    2024-10-15 The Error code has changed. The request parameters of the API has changed View Change Details
    2023-12-19 API Description Update. The Error code has changed View Change Details
    2022-06-23 API Description Update. The Error code has changed View Change Details
    2022-06-08 The Error code has changed. The request parameters of the API has changed View Change Details