Help Center/ CodeArts Req/ API Reference/ API/ Project Information/ Checking Whether the Project Name Exists
Updated on 2025-08-25 GMT+08:00

Checking Whether the Project Name Exists

Function

This API is used to check whether the project name exists.

Calling Method

For details, see Calling APIs.

URI

POST /v4/projects/check-name

Request Parameters

Table 1 Request body parameters

Parameter

Mandatory

Type

Description

project_name

Yes

String

Definition:

Project name.

Constraints:

Minimum length: 1 character. Maximum length: 128 characters.

Options:

N/A

Default value:

N/A

Response Parameters

Status code: 200

Table 2 Response body parameters

Parameter

Type

Description

exist

Boolean

Definition:

Whether the same project name already exists. The options are true (exist) and false (not exist).

Options:

true and false

Status code: 400

Table 3 Response body parameters

Parameter

Type

Description

error_code

String

Error Codes

error_msg

String

Description

Status code: 401

Table 4 Response body parameters

Parameter

Type

Description

error_code

String

Error Codes

error_msg

String

Description

Example Requests

Post https://{endpoint}/v4/projects/check-name

{
  "project_name" : "testDemo"
}

Example Responses

Status code: 200

OK

{
  "exist" : true
}

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.projectman.v4.region.ProjectManRegion;
import com.huaweicloud.sdk.projectman.v4.*;
import com.huaweicloud.sdk.projectman.v4.model.*;


public class CheckProjectNameV4Solution {

    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);

        ProjectManClient client = ProjectManClient.newBuilder()
                .withCredential(auth)
                .withRegion(ProjectManRegion.valueOf("<YOUR REGION>"))
                .build();
        CheckProjectNameV4Request request = new CheckProjectNameV4Request();
        CheckProjectNameRequestV4 body = new CheckProjectNameRequestV4();
        body.withProjectName("testDemo");
        request.withBody(body);
        try {
            CheckProjectNameV4Response response = client.checkProjectNameV4(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 huaweicloudsdkprojectman.v4.region.projectman_region import ProjectManRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkprojectman.v4 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 = ProjectManClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(ProjectManRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = CheckProjectNameV4Request()
        request.body = CheckProjectNameRequestV4(
            project_name="testDemo"
        )
        response = client.check_project_name_v4(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"
    projectman "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/projectman/v4"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/projectman/v4/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/projectman/v4/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 := projectman.NewProjectManClient(
        projectman.ProjectManClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CheckProjectNameV4Request{}
	request.Body = &model.CheckProjectNameRequestV4{
		ProjectName: "testDemo",
	}
	response, err := client.CheckProjectNameV4(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

Error Codes

See Error Codes.