Updated on 2025-08-15 GMT+08:00

Querying a Topic Quota

Function

This API is used to query a topic-level quota task.

Calling Method

For details, see Calling APIs.

URI

GET /v2/kafka/{project_id}/instances/{instance_id}/kafka-topic-quota

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

instance_id

Yes

String

Definition:

Instance ID. You can call the API for querying all instances to obtain the instance ID. The instance ID is in the response body.

Constraints:

N/A

Range:

N/A

Default Value:

N/A

project_id

Yes

String

Parameter description:

Project ID. For details, see Obtaining a Project ID.

Constraints:

N/A

Value range:

N/A

Default value:

N/A

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

type

No

String

Parameter description:

Query type.

Constraints:

A query type must start with a letter and can only contain letters, hyphens (-), underscores (_), and digits.

Value range:

The default value is topic.

Default value:

topic

limit

No

String

Parameter description:

Number of quotas displayed on each page.

Constraints:

N/A

Value range:

N/A

Default value:

N/A

offset

No

String

Parameter description:

Number of pages.

Constraints:

N/A

Value range:

N/A

Default value:

N/A

keyword

No

String

Parameter description:

Query keyword.

Constraints:

A query keyword must start with a letter and can only contain letters, hyphens (-), underscores (_), and digits.

Value range:

N/A

Default value:

N/A

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

quotas

Array of KafkaTopicQuota objects

Topic quota configuration.

count

Integer

Number of topic quotas.

Table 4 KafkaTopicQuota

Parameter

Type

Description

topic

String

Topic name.

producer-byte-rate

Integer

Producer rate.

consumer-byte-rate

Integer

Consumer rate.

Example Requests

Querying a topic quota

GET https://{endpoint}/v2/{engine}/{project_d}/instances/{instance_id}/kafka-user-client-quota?type=topic&offset=0&limit=10&keyword=topic-02

Example Responses

Status code: 200

Topic quota queried.

{
  "quotas" : [ {
    "topic" : "topic-001",
    "producer-byte-rate" : 1024,
    "consumer-byte-rate" : 2048
  } ],
  "count" : 1
}

SDK Sample Code

The SDK sample code is as follows.

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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.kafka.v2.region.KafkaRegion;
import com.huaweicloud.sdk.kafka.v2.*;
import com.huaweicloud.sdk.kafka.v2.model.*;


public class ShowKafkaTopicQuotaSolution {

    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);

        KafkaClient client = KafkaClient.newBuilder()
                .withCredential(auth)
                .withRegion(KafkaRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowKafkaTopicQuotaRequest request = new ShowKafkaTopicQuotaRequest();
        request.withInstanceId("{instance_id}");
        try {
            ShowKafkaTopicQuotaResponse response = client.showKafkaTopicQuota(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());
        }
    }
}
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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkkafka.v2.region.kafka_region import KafkaRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkkafka.v2 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 = KafkaClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(KafkaRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowKafkaTopicQuotaRequest()
        request.instance_id = "{instance_id}"
        response = client.show_kafka_topic_quota(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    kafka "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2/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 := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := kafka.NewKafkaClient(
        kafka.KafkaClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ShowKafkaTopicQuotaRequest{}
	request.InstanceId = "{instance_id}"
	response, err := client.ShowKafkaTopicQuota(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

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

Topic quota queried.

Error Codes

See Error Codes.