Updated on 2026-09-03 GMT+08:00

Adding Tags to a Cluster

Function

Tags are cluster identifiers. You can add tags to clusters to identify and manage cluster resources.

This API is used to add tags to a cluster.

Constraints

Each cluster can have a maximum of 20 tags.

Calling Method

For details, see Calling APIs.

URI

POST /v1.0/{project_id}/{resource_type}/{cluster_id}/tags

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID. For details about how to obtain the project ID and name, see Obtaining the Project ID and Name. Constraints N/A Range Project ID of an account. The value contains 32 characters, consisting of lowercase letters and digits. Default Value N/A
cluster_id	Yes	String	Definition ID of the cluster that you want to add tags to. For details about how to obtain the cluster ID, see Obtaining the Cluster ID. Constraints N/A Range The value is a UUID containing 36 characters. Default Value N/A
resource_type	Yes	String	Definition: Resource type. Currently, its value can only be css-cluster. Constraints: N/A Value range: css-cluster: Indicates the cluster type. Default value: N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
tag	Yes	Tag object	Definition: Tag object you want to add. Constraints: N/A Value range: N/A Default value: N/A

**Table 3** Tag
Parameter	Mandatory	Type	Description
key	Yes	String	Definition: Tag key. Constraints: The key cannot be empty. Its length is 1 to 128 characters. The value can contain UTF-8 letters, digits, spaces, and special characters _ . : = + - @. Tags starting with sys are system tags and cannot be used by tenants. Do not use spaces to start or end the key. Value range: N/A Default value: N/A
value	Yes	String	Definition: Tag value. Constraints: The value contains 0 to 255 characters. The value can contain UTF-8 letters, digits, spaces, and special characters _.://=+-@ Value range: N/A Default value: N/A

Response Parameters

Status code: 204

Request succeeded.

None

Example Requests

Add tags to a cluster.

POST https://{Endpoint}/v1.0/{project_id}/css-cluster/4f3deec3-efa8-4598-bf91-560aad1377a3/tags

{
  "tag" : {
    "key" : "K1",
    "value" : "V1"
  }
}

Example Responses

None

Status Codes

Status Code	Description
204	Request succeeded.
400	Invalid request. The client should modify the request instead of re-initiating it.
409	The request could not be completed due to a conflict with the current state of the resource. This status code indicates that the resource that the client attempts to create already exits, or the requested update failed due to a conflict.
412	The server did not meet one of the preconditions contained in the request.

Error Codes

See Error Codes.

Parent topic: Tag Management