# Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access 
login="login" 
password="password" 
cred="$(printf ${login}:${password} | base64)" 
id="02261816-2027-0066-0000-c27d02864073" 
curl --location --request GET "https://api.dataforseo.com/v3/serp/youtube/video_subtitles/task_get/advanced/${id}" 
--header "Authorization: Basic ${cred}"  
--header "Content-Type: application/json" 
--data-raw ""

<?php
// You can download this file from here https://cdn.dataforseo.com/v3/examples/php/php_RestClient.zip
require('RestClient.php');
$api_url = 'https://api.dataforseo.com/';
try {
	// Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access
	$client = new RestClient($api_url, null, 'login', 'password');
} catch (RestClientException $e) {
	echo "n";
	print "HTTP code: {$e->getHttpCode()}n";
	print "Error code: {$e->getCode()}n";
	print "Message: {$e->getMessage()}n";
	print  $e->getTraceAsString();
	echo "n";
	exit();
}
try {
	$result = array();
	// #1 - using this method you can get a list of completed tasks
	// GET /v3/serp/youtube/video_subtitles/tasks_ready
	// in addition to 'youtube' and 'video_subtitles' you can also set other search engine and type parameters
	// the full list of possible parameters is available in documentation
	$tasks_ready = $client->get('/v3/serp/youtube/video_subtitles/tasks_ready');
	// you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
	if (isset($tasks_ready['status_code']) AND $tasks_ready['status_code'] === 20000) {
		foreach ($tasks_ready['tasks'] as $task) {
			if (isset($task['result'])) {
				foreach ($task['result'] as $task_ready) {
					// #2 - using this method you can get results of each completed task
					// GET /v3/serp/youtube/video_subtitles/task_get/advanced/$id
					if (isset($task_ready['endpoint_advanced'])) {
						$result[] = $client->get($task_ready['endpoint_advanced']);
					}
					// #3 - another way to get the task results by id
					// GET /v3/serp/youtube/video_subtitles/task_get/advanced/$id
					/*
					if (isset($task_ready['id'])) {
						$result[] = $client->get('/v3/serp/youtube/video_subtitles/task_get/advanced/' . $task_ready['id']);
					}
					*/
				}
			}
		}
	}
	print_r($result);
	// do something with result
} catch (RestClientException $e) {
	echo "n";
	print "HTTP code: {$e->getHttpCode()}n";
	print "Error code: {$e->getCode()}n";
	print "Message: {$e->getMessage()}n";
	print  $e->getTraceAsString();
	echo "n";
}
$client = null;
?>

const task_id = '02231256-2604-0066-2000-57133b8fc54e';

const axios = require('axios');

axios({
    method: 'get',
    url: 'https://api.dataforseo.com/v3/serp/youtube/video_subtitles/task_get/advanced/' + task_id,
    auth: {
        username: 'login',
        password: 'password'
    },
    headers: {
        'content-type': 'application/json'
    }
}).then(function (response) {
    var result = response['data']['tasks'];
    // Result data
    console.log(result);
}).catch(function (error) {
    console.log(error);
});

from client import RestClient
# You can download this file from here https://cdn.dataforseo.com/v3/examples/python/python_Client.zip
client = RestClient("login", "password")
# 1 - using this method you can get a list of completed tasks
# GET /v3/serp/youtube/video_subtitles/tasks_ready
# the full list of possible parameters is available in documentation
response = client.get("/v3/serp/google/images/tasks_ready")
# you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
if response["status_code"] == 20000:
    results = []
    for task in response['tasks']:
        if (task['result'] and (len(task['result']) > 0)):
            for resultTaskInfo in task['result']:
                # 2 - using this method you can get results of each completed task
                # GET /v3/serp/youtube/video_subtitles/task_get/advanced/$id
                if(resultTaskInfo['endpoint_advanced']):
                    results.append(client.get(resultTaskInfo['endpoint_advanced']))
                '''
                # 3 - another way to get the task results by id
                # GET /v3/serp/youtube/video_subtitles/task_get/advanced/$id                
                if(resultTaskInfo['id']):
                    results.append(client.get("/v3/serp/youtube/video_subtitles/task_get/advanced/" + resultTaskInfo['id']))
                '''
    print(results)
    # do something with result
else:
    print("error. Code: %d Message: %s" % (response["status_code"], response["status_message"]))

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

namespace DataForSeoDemos
{
    public static partial class Demos
    {
        public static async Task serp_task_get()
        {
            var httpClient = new HttpClient
            {
                BaseAddress = new Uri("https://api.dataforseo.com/"),
                // Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access
                DefaultRequestHeaders = { Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(Encoding.ASCII.GetBytes("login:password"))) }
            };
            // #1 - using this method you can get a list of completed tasks
            // GET /v3/serp/youtube/video_subtitles/tasks_ready
            // in addition to 'youtube' and 'video_subtitles' you can also set other search engine and type parameters
            // the full list of possible parameters is available in documentation
            var response = await httpClient.GetAsync("/v3/serp/youtube/video_subtitles/tasks_ready");
            var tasksInfo = JsonConvert.DeserializeObject<dynamic>(await response.Content.ReadAsStringAsync());
            var tasksResponses = new List<object>();
            // you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
            if (tasksInfo.status_code == 20000)
            {
                foreach (var tasks in tasksInfo.tasks)
                {
                    if (tasks.First.result != null)
                    {
                        foreach (var task in tasks.First.result)
                        {
                            if (task.endpoint_advanced != null)
                            {
                                // #2 - using this method you can get results of each completed task
                                // GET /v3/serp/youtube/video_subtitles/task_get/advanced/$id
                                var tasksGetResponse = await httpClient.GetAsync((string)task.endpoint_advanced);
                                var tasksResultObj = JsonConvert.DeserializeObject<dynamic>(await tasksGetResponse.Content.ReadAsStringAsync());
                                if (tasksResultObj.tasks != null)
                                {
                                    foreach (var taskResult in tasksResultObj.tasks)
                                    {
                                        var fst = taskResult.First;
                                        // you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
                                        if (fst.status_code >= 40000 || fst.result == null)
                                            Console.WriteLine($"error. Code: {fst.status_code} Message: {fst.status_message}");
                                        else
                                            tasksResponses.Add(fst.result);
                                    }
                                }

                                // #3 - another way to get the task results by id
                                // GET /v3/serp/youtube/video_subtitles/task_get/advanced/$id
                                /*
                                var tasksGetResponse = await httpClient.GetAsync("/v3/serp/youtube/video_subtitles/task_get/advanced/" + (string)task.id);
                                var tasksResultObj = JsonConvert.DeserializeObject<dynamic>(await tasksGetResponse.Content.ReadAsStringAsync());
                                if (tasksResultObj.tasks != null)
                                {
                                    foreach (var taskResult in tasksResultObj.tasks)
                                    {
                                        var fst = taskResult.First;
                                        // you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
                                        if (fst.status_code >= 40000 || fst.result == null)
                                            Console.WriteLine($"error. Code: {fst.status_code} Message: {fst.status_message}");
                                        else
                                            tasksResponses.Add(fst.result);
                                    }
                                }
                                */
                            }
                        }
                    }
                }
                if (tasksResponses.Count > 0)
                    // do something with result
                    Console.WriteLine(String.Join(Environment.NewLine, tasksResponses));
                else
                    Console.WriteLine("No completed tasks");
            }
            else
                Console.WriteLine($"error. Code: {tasksInfo.status_code} Message: {tasksInfo.status_message}");
        }
    }
}