Unbinds and deletes a tag from a resource.


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


RegionId String Yes cn-hangzhou

The ID of the region where the resource is located.

ResourceId.N RepeatList Yes alikafka_post-cn-v0h1fgs2****

The ID of the resource whose tag you want to delete. The resource ID follows these rules:

  • The resource ID of an instance is the value of the instanceId parameter.
  • The resource ID of a topic is the value of the Kafka_instanceId_topic parameter.
  • The resource ID of a consumer group is the value of the Kafka_instanceId_consumerGroup parameter.

For example, the resources from which the tag will be unbound include the alikafka_post-cn-v0h1fgs2xxxx instance, the test-topic topic, and the test-consumer-group consumer group. In this case, their resource IDs are alikafka_post-cn-v0h1fgs2xxxx, Kafka_alikafka_post-cn-v0h1fgs2xxxx_test-topic, and Kafka_alikafka_post-cn-v0h1fgs2xxxx_test-consumer-group, respectively.

ResourceType String Yes instance

The type of the resource. Valid values:

  • Instance
  • Topic
  • Consumer Group
TagKey.N RepeatList No FinanceDept

The key of the resource tag.

  • Valid values of N: 1 to 20.
  • If you do not set this parameter and set All to true, all tag keys are matched.
  • The tag key can be up to 128 characters in length. It cannot start with aliyun or acs:, or contain http:// or https://.
All Boolean No false

Specifies whether to delete all the tags bound to the resource. This parameter takes effect only when the TagKey.N parameter is not specified. Default value: false.

Response parameters

Parameter Type Example Description
RequestId String C46FF5A8-C5F0-4024-8262-B16B639225A0

The ID of the request.


Sample requests

http(s)://[Endpoint]/? Action=UntagResources
&<Common request parameters>

Sample success responses

XML format


JSON format

    "RequestId": "C46FF5A8-C5F0-4024-8262-B16B639225A0"

Error codes

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