You can call this operation to unbind a tag from an instance. If the tag is not bound to another instance, it is deleted.

  • You can unbind up to 20 tags at a time.
  • When a tag is unbound from all instances, it is automatically deleted.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes UntagResources

The operation that you want to perform. Set the value to UntagResources.

RegionId String Yes cn-hangzhou

The ID of the region where the instance is deployed. You can call the DescribeDBInstanceAttribute operation to query the region ID.

ResourceId.N RepeatList Yes dds-bpxxxxxxxx

The ID of the instance.

Note N specifies the serial number of the instance. For example, ResourceId.1 specifies the ID of the first instance and ResourceId.2 specifies the ID of the second instance.
ResourceType String Yes INSTANCE

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

TagKey.N RepeatList No Development team

The key of the tag.

Note N specifies the serial number of the tag. For example, TagKey.1 specifies the key of the first tag and TagKey.2 specifies the key of the second tag.
All Boolean No false

Specifies whether to unbind all tags from the instance. Valid values:

  • true: unbinds all tags from the instance.
  • false: does not unbind all tags from the instance.
  • Default value: false.
  • If you specify both this parameter and TagKey.N, this parameter is invalid.
ResourceGroupId String No sg-bpxxxxxxxxxxxxxxxxxx

The ID of the resource group.

Response parameters

Parameter Type Example Description
RequestId String FA3A7F36-DB57-4281-8935-4B9DF61554EB

The ID of the request.


Sample requests

http(s):// Action=UntagResources
&TagKey.1=Development team
&<Common request parameters>

Sample success responses

XML format


JSON format

    "RequestId": "FA3A7F36-DB57-4281-8935-4B9DF61554EB"

Error codes

For a list of error codes, visit the API Error Center.