Updated on 2026-02-27 GMT+08:00

Query Regions Supported for a Cloud Vendor

Function

This API is used to query regions supported for a cloud vendor.

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, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    oms::listCloudRegions

    List

    -

    -

    -

    -

URI

GET /v2/{project_id}/objectstorage/data-center

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

The project ID.

Minimum: 1

Maximum: 1024

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

The token used for IAM authentication. Ensure that the project ID in the token matches the project ID in the request URI.

Minimum: 1

Maximum: 16384

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

[items]

Array of ShowRegionInfoResp objects

Response body for querying region information.

Table 4 ShowRegionInfoResp

Parameter

Type

Description

service_name

String

Service name.

Minimum: 0

Maximum: 255

region_list

Array of RegionInfo objects

Region list.

Array Length: 0 - 1024

Table 5 RegionInfo

Parameter

Type

Description

cloud_type

String

Cloud service name.

Minimum: 1

Maximum: 255

value

String

Region name.

Minimum: 1

Maximum: 255

description

String

Region description.

Minimum: 0

Maximum: 1024

Example Requests

None

Example Responses

Status code: 200

The response body for querying region information.

[ {
  "service_name" : "AWS",
  "region_list" : [ {
    "cloud_type" : "AWS",
    "value" : "us-east-1",
    "description" : "US Standard (N. Virginia)"
  }, {
    "cloud_type" : "AWS",
    "value" : "us-west-1",
    "description" : "US West (N. California)"
  }, {
    "cloud_type" : "AWS",
    "value" : "us-west-2",
    "description" : "US West (Oregon)"
  }, {
    "cloud_type" : "AWS",
    "value" : "eu-west-1",
    "description" : "EU (Ireland)"
  }, {
    "cloud_type" : "AWS",
    "value" : "eu-central-1",
    "description" : "EU (Frankfurt)"
  }, {
    "cloud_type" : "AWS",
    "value" : "ap-northeast-1",
    "description" : "Asia Pacific (Tokyo)"
  }, {
    "cloud_type" : "AWS",
    "value" : "ap-northeast-2",
    "description" : "Asia Pacific (Seoul)"
  }, {
    "cloud_type" : "AWS",
    "value" : "ap-southeast-1",
    "description" : "Asia Pacific (Singapore)"
  }, {
    "cloud_type" : "AWS",
    "value" : "ap-southeast-2",
    "description" : "Asia Pacific (Sydney)"
  }, {
    "cloud_type" : "AWS",
    "value" : "ap-south-1",
    "description" : "Asia Pacific (Mumbai)"
  }, {
    "cloud_type" : "AWS",
    "value" : "sa-east-1",
    "description" : "South America (Sao Paulo)"
  }, {
    "cloud_type" : "AWS",
    "value" : "us-east-2",
    "description" : "US East (Ohio)"
  }, {
    "cloud_type" : "AWS",
    "value" : "eu-west-2",
    "description" : "EU (London)"
  }, {
    "cloud_type" : "AWS",
    "value" : "ca-central-1",
    "description" : "Canada (Central)"
  }, {
    "cloud_type" : "AWS",
    "value" : "ap-east-1",
    "description" : "Asia Pacific (Hong Kong)"
  } ]
} ]

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.oms.v2.region.OmsRegion;
import com.huaweicloud.sdk.oms.v2.*;
import com.huaweicloud.sdk.oms.v2.model.*;


public class ShowRegionInfoSolution {

    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);

        OmsClient client = OmsClient.newBuilder()
                .withCredential(auth)
                .withRegion(OmsRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowRegionInfoRequest request = new ShowRegionInfoRequest();
        try {
            ShowRegionInfoResponse response = client.showRegionInfo(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 huaweicloudsdkoms.v2.region.oms_region import OmsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkoms.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 = OmsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(OmsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowRegionInfoRequest()
        response = client.show_region_info(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"
    oms "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/oms/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/oms/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/oms/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 := oms.NewOmsClient(
        oms.OmsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ShowRegionInfoRequest{}
	response, err := client.ShowRegionInfo(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

The response body for querying region information.

Error Codes

See Error Codes.