Updated on 2026-09-01 GMT+08:00

Delete an Instance Tag

Function

Deleting an instance tag.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, no identity policy-based permission required for calling this API.

URI

POST /v5/iot/{project_id}/iotda-instances/{instance_id}/unbind-tags

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Parameter description : project ID. For details, see Obtaining a Project ID.

instance_id

Yes

String

Parameter description: instance ID.

Value: Enter up to 36 characters, including lowercase letters (a-f), digits, and hyphens (-).

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

tags

Yes

Array of Tag objects

Parameter description: instance tag.

Table 3 Tag

Parameter

Mandatory

Type

Description

key

Yes

String

Parameter description: tag key. Use letters, digits, spaces, and special characters (_.:=+-@). No space is allowed at the beginning or end.

value

No

String

Parameter description: tag value, which can be an empty string or null. Use letters, digits, spaces, and special characters (_.:=+-@).

Response Parameters

Status code: 200

OK

None

Example Requests

POST https://{endpoint}/v5/iot/{project_id}/iotda-instances/{instance_id}/unbind-tags

{
  "tags" : [ {
    "key" : "testTagName",
    "value" : "testTagValue"
  } ]
}

Example Responses

None

SDK Sample Code

The SDK sample code is as follows.

Java

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.iotdm.v5.region.IoTDMRegion;
import com.huaweicloud.sdk.iotdm.v5.*;
import com.huaweicloud.sdk.iotdm.v5.model.*;

import java.util.List;
import java.util.ArrayList;

public class UnbindInstanceTagsSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        IoTDMClient client = IoTDMClient.newBuilder()
                .withCredential(auth)
                .withRegion(IoTDMRegion.valueOf("<YOUR REGION>"))
                .build();
        UnbindInstanceTagsRequest request = new UnbindInstanceTagsRequest();
        request.withInstanceId("{instance_id}");
        UnbindInstanceTags body = new UnbindInstanceTags();
        List<Tag> listbodyTags = new ArrayList<>();
        listbodyTags.add(
            new Tag()
                .withKey("testTagName")
                .withValue("testTagValue")
        );
        body.withTags(listbodyTags);
        request.withBody(body);
        try {
            UnbindInstanceTagsResponse response = client.unbindInstanceTags(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Python

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkiotdm.v5.region.iotdm_region import IoTDMRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkiotdm.v5 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = IoTDMClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(IoTDMRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = UnbindInstanceTagsRequest()
        request.instance_id = "{instance_id}"
        listTagsbody = [
            Tag(
                key="testTagName",
                value="testTagValue"
            )
        ]
        request.body = UnbindInstanceTags(
            tags=listTagsbody
        )
        response = client.unbind_instance_tags(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Go

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    iotdm "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/iotdm/v5"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/iotdm/v5/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/iotdm/v5/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth, err := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        SafeBuild()

    if err != nil {
        fmt.Println(err)
        return
    }

    hcClient, err := iotdm.IoTDMClientBuilder().
         WithRegion(region.ValueOf("<YOUR REGION>")).
         WithCredential(auth).
         SafeBuild()


    if err != nil {
        fmt.Println(err)
        return
    }

    client := iotdm.NewIoTDMClient(hcClient)

    request := &model.UnbindInstanceTagsRequest{}
	request.InstanceId = "{instance_id}"
	valueTags:= "testTagValue"
	var listTagsbody = []model.Tag{
        {
            Key: "testTagName",
            Value: &valueTags,
        },
    }
	request.Body = &model.UnbindInstanceTags{
		Tags: listTagsbody,
	}
	response, err := client.UnbindInstanceTags(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

More

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

OK

400

Bad Request

401

Unauthorized

403

Forbidden

Error Codes

See Error Codes.