Updated on 2025-08-07 GMT+08:00

Obtaining API Versions

Function

This API is used to query all API versions supported by the DNS service.

Calling Method

For details, see Calling APIs.

URI

GET /

Request Parameters

None

Response Parameters

Status code: 200

Table 1 Response body parameters

Parameter

Type

Description

versions

valuesItem object

Definition

API version list

Range

N/A

Table 2 valuesItem

Parameter

Type

Description

values

Array of ListApiVersionsItem objects

Definition

List of all versions

Range

N/A

Table 3 ListApiVersionsItem

Parameter

Type

Description

status

String

Definition

Version status

Range

  • CURRENT: This version is a primary version.

  • SUPPORTED: This version is an earlier version that is still supported.

  • DEPRECATED: The version is a deprecated version, which may be deleted later.

id

String

Definition

Version

Range

v2

links

Array of LinksItem objects

Definition

URL of the current version

Range

N/A

Table 4 LinksItem

Parameter

Type

Description

href

String

Definition

Shortcut link

Range

N/A

rel

String

Definition

Shortcut link marker name

Range

N/A

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

code

String

Definition

Error code

Range

N/A

message

String

Definition

Error description

Range

N/A

Status code: 404

Table 6 Response body parameters

Parameter

Type

Description

code

String

Definition

Error code

Range

N/A

message

String

Definition

Error description

Range

N/A

Status code: 500

Table 7 Response body parameters

Parameter

Type

Description

code

String

Definition

Error code

Range

N/A

message

String

Definition

Error description

Range

N/A

Example Requests

Querying all API versions supported by the DNS service.

GET https://{endpoint}/

Example Responses

Status code: 200

Response of querying API versions

{
  "versions" : {
    "values" : [ {
      "status" : "CURRENT",
      "id" : "v2",
      "links" : [ {
        "href" : "https://Endpoint/v2",
        "rel" : "self"
      } ]
    } ]
  }
}

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.dns.v2.region.DnsRegion;
import com.huaweicloud.sdk.dns.v2.*;
import com.huaweicloud.sdk.dns.v2.model.*;


public class ListApiVersionsSolution {

    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");

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

        DnsClient client = DnsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DnsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListApiVersionsRequest request = new ListApiVersionsRequest();
        try {
            ListApiVersionsResponse response = client.listApiVersions(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 huaweicloudsdkdns.v2.region.dns_region import DnsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdns.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"]

    credentials = BasicCredentials(ak, sk)

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

    try:
        request = ListApiVersionsRequest()
        response = client.list_api_versions(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"
    dns "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dns/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dns/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dns/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")

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := dns.NewDnsClient(
        dns.DnsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListApiVersionsRequest{}
	response, err := client.ListApiVersions(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

Response of querying API versions

400

Error response

404

Error response

500

Error response

Error Codes

See Error Codes.