Updated on 2026-07-30 GMT+08:00

Querying API Versions

Function

Querying API versions

Calling Method

For details, see Calling APIs.

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

GET /

Request Parameters

None

Response Parameters

Status code: 200

Table 1 Response body parameters

Parameter

Type

Description

versions

Array of VersionDetail objects

Definition

Version list, including the ID, status, and release time of each API version. For details, see the VersionDetail data structure.

Table 2 VersionDetail

Parameter

Type

Description

id

String

Definition

Version ID (version number).

Range

The value starts with v and ends with a digit, for example, v1.0 or v2.

links

Array of Link objects

Definition

API links for version information, including the API URLs and link relations. For details, see the Link data structure.

version

String

Definition

Microversion supported by the API.

The current cloud service does not support microversions. Therefore, an empty value is returned.

Range

N/A

status

String

Definition

Version status.

Range

  • CURRENT: indicates that the version is the primary version.

  • SUPPORTED: indicates that the version is an earlier version but is still supported.

  • DEPRECATED: indicates that the version is deprecated and may be deleted later.

updated

String

Definition

Version release time in UTC format, for example, 2016-12-09T00:00:00Z.

Range

N/A

min_version

String

Definition

Earliest microversion number supported.

The current cloud service does not support microversions. Therefore, an empty value is returned.

Range

N/A

Status code: 400

Table 4 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 5 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 404

Table 6 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 7 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 405

Table 8 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 9 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 406

Table 10 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 11 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 409

Table 12 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 13 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 410

Table 14 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 15 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 412

Table 16 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 17 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 429

Table 18 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 19 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 500

Table 20 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 21 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 501

Table 22 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 23 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Status code: 503

Table 24 Response body parameters

Parameter

Type

Description

error

RespErrorMessage object

Definition

Error message in the response.

Table 25 RespErrorMessage

Parameter

Type

Description

error_code

String

Definition

Error code. For details about the error codes of the corresponding cloud service, see Error Codes.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

Example Requests

Querying API versions

GET https://{Endpoint}/

Example Responses

Status code: 200

OK

{
  "versions" : [ {
    "id" : "v1.0",
    "links" : [ {
      "rel" : "self",
      "href" : "https://{Endpoint}/v1.0"
    } ],
    "version" : "",
    "status" : "CURRENT",
    "updated" : "2016-12-09T00:00:00Z",
    "min_version" : ""
  } ]
}

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.GlobalCredentials;
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.tms.v1.region.TmsRegion;
import com.huaweicloud.sdk.tms.v1.*;
import com.huaweicloud.sdk.tms.v1.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 GlobalCredentials()
                .withAk(ak)
                .withSk(sk);

        TmsClient client = TmsClient.newBuilder()
                .withCredential(auth)
                .withRegion(TmsRegion.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());
        }
    }
}

Python

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import GlobalCredentials
from huaweicloudsdktms.v1.region.tms_region import TmsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdktms.v1 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 = GlobalCredentials(ak, sk)

    client = TmsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(TmsRegion.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)

Go

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/global"
    tms "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/tms/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/tms/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/tms/v1/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, err := global.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        SafeBuild()

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

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


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

    client := tms.NewTmsClient(hcClient)

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

404

Not Found

405

Method Not Allowed

406

Not Acceptable

409

Conflict

410

Gone

412

Precondition Failed

429

Too Many Requests

500

Internal Server Error

501

Not Implemented

503

Service Unavailable

Error Codes

See Error Codes.