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ApsaraDB RDS:UntagResources

Last Updated:May 11, 2024

Removes tags from one or more instances.

Operation description

Supported database engines

  • MySQL
  • PostgreSQL
  • SQL Server
  • MariaDB

Usage notes

  • You can remove up to 20 tags at a time.
  • If a tag is removed from an instance and is not added to other instances, the tag is automatically deleted.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

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
  • DBInstance
  • rds:ResourceTag

Request parameters


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


The type of the resource. Set the value to INSTANCE.


Specifies whether to delete all tags of the instance. Valid values:

  • true
  • false

Default value: false.

Note This parameter is valid if parameters that contain TagKey.N are not specified.

The instance ID. You can remove tags from N instances at a time. Valid values of N: 1 to 50.


The instance ID.


The list of tag keys. You can delete N tag keys at a time. Valid values of N: 1 to 20. The value of this parameter cannot be an empty string.


The key of the tag.


Response parameters


The response parameters.


The ID of the request.



Sample success responses


  "RequestId": "601B6F25-21E7-4484-99D5-3EF2625C0088"

Error codes

HTTP status codeError codeError messageDescription
400NumberExceed.TagsThe number of parameter Tags is exceed, Valid : 20-
400NumberExceed.ResourceIdsThe number of ResourceIds parameter is exceed , Valid : 50-
400InvalidTagValue.MalformedThe Tag.N.Value parameter is blankThe Tag.N.Value is empty.
400MissingParameterThe parameter - ResourceIds.N should not be null-
400InvalidTagKey.MalformedThe Tag.N.Key parameter is blankThe operation failed. The Tag.N.Key parameter is empty.
400InvalidResourceId.NotFoundResourceId does not refer to an existing DB instance.The operation failed. The value of the ResourceId parameter is not the ID of an existing RDS instance.

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

Change history

Change timeSummary of changesOperation
2022-09-01The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 400 change