:Obtain a token using an SDK

<dependency>
    <groupId>com.alibaba.nls</groupId>
    <artifactId>nls-sdk-common</artifactId>
    <version>2.1.6</version>
</dependency>
<dependency>
    <groupId>javax.xml.bind</groupId>
    <artifactId>jaxb-api</artifactId>
    <version>2.3.1</version>
</dependency>

import com.alibaba.nls.client.AccessToken;

public class NlsTokenDemo {
    public static void main(String[] args) throws Exception {
        AccessToken request = new AccessToken(
                System.getenv("ALIYUN_AK_ID"),
                System.getenv("ALIYUN_AK_SECRET"),
                "nlsmeta.ap-southeast-1.aliyuncs.com",
                "ap-southeast-1", "2019-07-17");

        request.apply();
        String token = request.getToken();
        long expireTime = request.getExpireTime();
        System.out.println("Token acquired: " + (token != null && !token.isEmpty()));
        System.out.println("ExpireTime (Unix seconds): " + expireTime);
    }
}

<dependency>
    <groupId>com.aliyun</groupId>
    <artifactId>aliyun-java-sdk-core</artifactId>
    <version>3.7.1</version>
</dependency>
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.83</version>
</dependency>
<dependency>
    <groupId>javax.xml.bind</groupId>
    <artifactId>jaxb-api</artifactId>
    <version>2.3.1</version>
</dependency>

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.aliyuncs.CommonRequest;
import com.aliyuncs.CommonResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.http.MethodType;
import com.aliyuncs.http.ProtocolType;
import com.aliyuncs.profile.DefaultProfile;

public class CreateTokenDemo {
    public static void main(String[] args) throws Exception {
        DefaultProfile profile = DefaultProfile.getProfile(
                "ap-southeast-1", System.getenv("ALIYUN_AK_ID"),
                System.getenv("ALIYUN_AK_SECRET"));
        DefaultAcsClient client = new DefaultAcsClient(profile);

        CommonRequest request = new CommonRequest();
        request.setDomain("nlsmeta.ap-southeast-1.aliyuncs.com");
        request.setVersion("2019-07-17");
        request.setAction("CreateToken");
        request.setMethod(MethodType.POST);
        request.setProtocol(ProtocolType.HTTPS);

        CommonResponse response = client.getCommonResponse(request);
        JSONObject result = JSON.parseObject(response.getData()).getJSONObject("Token");
        String token = result.getString("Id");
        long expireTime = result.getLongValue("ExpireTime");
        System.out.println("Token acquired: " + (token != null && !token.isEmpty()));
        System.out.println("ExpireTime (Unix seconds): " + expireTime);
    }
}

pip install aliyun-python-sdk-core

import json
import os

from aliyunsdkcore.client import AcsClient
from aliyunsdkcore.request import CommonRequest

client = AcsClient(
    os.environ["ALIYUN_AK_ID"],
    os.environ["ALIYUN_AK_SECRET"],
    "ap-southeast-1",
)

request = CommonRequest()
request.set_method("POST")
request.set_protocol_type("https")
request.set_domain("nlsmeta.ap-southeast-1.aliyuncs.com")
request.set_version("2019-07-17")
request.set_action_name("CreateToken")

result = json.loads(client.do_action_with_exception(request))
token = result["Token"]["Id"]
expire_time = result["Token"]["ExpireTime"]
print("Token acquired:", bool(token))
print("ExpireTime (Unix seconds):", expire_time)

go get github.com/aliyun/alibaba-cloud-sdk-go/sdk

package main

import (
    "encoding/json"
    "fmt"
    "os"

    "github.com/aliyun/alibaba-cloud-sdk-go/sdk"
    "github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
    "github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
)

func main() {
    credential := credentials.NewAccessKeyCredential(
        os.Getenv("ALIYUN_AK_ID"), os.Getenv("ALIYUN_AK_SECRET"))
    client, err := sdk.NewClientWithOptions("ap-southeast-1", sdk.NewConfig(), credential)
    if err != nil {
        panic(err)
    }

    request := requests.NewCommonRequest()
    request.Scheme = "HTTPS"
    request.Method = "POST"
    request.Domain = "nlsmeta.ap-southeast-1.aliyuncs.com"
    request.ApiName = "CreateToken"
    request.Version = "2019-07-17"
    response, err := client.ProcessCommonRequest(request)
    if err != nil {
        panic(err)
    }

    var result struct {
        Token struct {
            Id string
            ExpireTime int64
        }
    }
    if err := json.Unmarshal(response.GetHttpContentBytes(), &result); err != nil {
        panic(err)
    }
    token := result.Token.Id
    fmt.Println("Token acquired:", token != "")
    fmt.Println("ExpireTime (Unix seconds):", result.Token.ExpireTime)
}

composer require alibabacloud/sdk

<?php
require __DIR__ . '/vendor/autoload.php';

use AlibabaCloud\Client\AlibabaCloud;

AlibabaCloud::accessKeyClient(
    getenv('ALIYUN_AK_ID'), getenv('ALIYUN_AK_SECRET'))
    ->regionId('ap-southeast-1')
    ->asDefaultClient();

$response = AlibabaCloud::rpc()
    ->product('nls-cloud-meta')
    ->version('2019-07-17')
    ->action('CreateToken')
    ->host('nlsmeta.ap-southeast-1.aliyuncs.com')
    ->scheme('https')
    ->method('POST')
    ->request();

$token = $response['Token']['Id'];
$expireTime = $response['Token']['ExpireTime'];
echo 'Token acquired: ' . (!empty($token) ? 'true' : 'false') . PHP_EOL;
echo 'ExpireTime (Unix seconds): ' . $expireTime . PHP_EOL;

npm install @alicloud/pop-core

const { RPCClient } = require('@alicloud/pop-core');

const client = new RPCClient({
  accessKeyId: process.env.ALIYUN_AK_ID,
  accessKeySecret: process.env.ALIYUN_AK_SECRET,
  endpoint: 'https://nlsmeta.ap-southeast-1.aliyuncs.com',
  apiVersion: '2019-07-17',
});

async function main() {
  const result = await client.request('CreateToken', {}, { method: 'POST' });
  const token = result.Token.Id;
  const expireTime = result.Token.ExpireTime;
  console.log('Token acquired:', Boolean(token));
  console.log('ExpireTime (Unix seconds):', expireTime);
}

main().catch((error) => {
  console.error('CreateToken failed:', error.code || error.name);
  process.exitCode = 1;
});