Instead of ‘login’ and ‘password’ use your credentials from https://app.dataforseo.com/api-access

            

# Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access \
login="login" \
password="password" \
cred="$(printf ${login}:${password} | base64)" \
curl --location --request POST "https://api.dataforseo.com/v3/keywords_data/google_trends/explore/task_post" \
--header "Authorization: Basic ${cred}"  \
--header "Content-Type: application/json" \
--data-raw "[
    {
        "date_from": "2019-01-01",
        "date_to": "2020-01-01",
	"type": "youtube",
	"category_code": 3,
        "keywords": [
            "seo api",
            "rank api"
        ]
    }
]"


        

<?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();
}
$post_array = array();
// simple way to set a task
$post_array[] = array(
	"location_name" => "United States",
	"date_from" => "2019-01-01",
	"date_to" => "2020-01-01",
	"keywords" => array(
		"seo api"
	)
);
// after a task is completed, we will send a GET request to the address you specify
// instead of $id and $tag, you will receive actual values that are relevant to this task
$post_array[] = array(
	"location_name" => "United States",
	"date_from" => "2019-01-01",
	"date_to" => "2020-01-01",
	"type" => "youtube",
	"category_code" => 3,
	"keywords" => array(
		"seo api",
		"rank api"
	),
	"tag" => "some_string_123",
	"pingback_url" => 'https://your-server.com/pingscript?id=$id&tag=$tag'
);
// after a task is completed, we will send a GET request to the address you specify
// instead of $id and $tag, you will receive actual values that are relevant to this task
$post_array[] = array(
	"location_name" => "United States",
	"date_from" => "2019-01-01",
	"date_to" => "2020-01-01",
	"type" => "youtube",
	"category_code" => 3,
	"keywords" => array(
		"seo api",
		"rank api"
	),
	"postback_url" => "https://your-server.com/postbackscript"
);
try {
	// POST /v3/keywords_data/google_trends/explore/task_post
	$result = $client->post('/v3/keywords_data/google_trends/explore/task_post', $post_array);
	print_r($result);
	// do something with post 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;
?>

            

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")
post_data = dict()
# simple way to set a task
post_data[len(post_data)] = dict(
    location_name="United States",
    date_from="2019-01-01",
    date_to="2020-01-01",
    keywords=[
        "seo api"
    ]
)
# after a task is completed, we will send a GET request to the address you specify
# instead of $id and $post_id, you will receive actual values that are relevant to this task
post_data[len(post_data)] = dict(
    location_name="United States",
    date_from="2019-01-01",
    date_to="2020-01-01",
    type="youtube",
    category_code=3,
    keywords=[
        "seo api",
        "rank api"
    ],
    tag="some_string_123",
    pingback_url="https://your-server.com/pingscript?id=$id&post_id=$post_id"
)
# after a task is completed, we will send a GET request to the address you specify
# instead of $id and $post_id, you will receive actual values that are relevant to this task
post_data[len(post_data)] = dict(
    location_name="United States",
    date_from="2019-01-01",
    date_to="2020-01-01",
    type="youtube",
    category_code=3,
    keywords=[
        "seo api",
        "rank api"
    ],
    postback_url="https://your-server.com/postbackscript"
)
# POST /v3/keywords_data/google_trends/explore/task_post
response = client.post("/v3/keywords_data/google_trends/explore/task_post", post_data)
# you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
if response["status_code"] == 20000:
    print(response)
    # do something with result
else:
    print("error. Code: %d Message: %s" % (response["status_code"], response["status_message"]))


        

            

const post_array = [];

post_array.push({
  "location_name": "United States",
  "date_from": "2019-01-01",
  "date_to": "2020-01-01",
  "type": "youtube",
  "category_code": 3,
  "keywords": ["seo api", "rank api"]
});

const axios = require('axios');

axios({
  method: 'post',
  url: 'https://api.dataforseo.com/v3/keywords_data/google_trends/explore/task_post',
  auth: {
    username: 'login',
    password: 'password'
  },
  data: post_array,
  headers: {
    'content-type': 'application/json'
  }
}).then(function (response) {
  var result = response['data']['tasks'];
  // Result data
  console.log(result);
}).catch(function (error) {
  console.log(error);
});


        

            

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 keywords_data_trends_task_post()
        {
            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"))) }
            };
            var postData = new List<object>();
            // simple way to set a task
            postData.Add(new
            {
                location_name = "United States",
                date_from = "2019-01-01",
                date_to = "2020-01-01",
                keywords = new[]
                {
                    "seo api"
                }
            });
            // after a task is completed, we will send a GET request to the address you specify
            // instead of $id and $tag, you will receive actual values that are relevant to this task
            postData.Add(new
            {
                location_name = "United States",
                date_from = "2019-01-01",
                date_to = "2020-01-01",
                type = "youtube",
                category_code = 3,
                keywords = new[]
                {
                    "seo api",
                    "rank api"
                },
                tag = "some_string_123",
                pingback_url = "https://your-server.com/pingscript?id=$id&tag=$tag"
            });
            // after a task is completed, we will send a GET request to the address you specify
            // instead of $id and $tag you will receive actual values that are relevant to this task
            postData.Add(new
            {
                location_name = "United States",
                date_from = "2019-01-01",
                date_to = "2020-01-01",
                type = "youtube",
                category_code = 3,
                keywords = new[]
                {
                    "seo api",
                    "rank api"
                },
                tag = "some_string_123",
                postback_url = "https://your-server.com/postbackscript"
            });
            // POST /v3/keywords_data/google_trends/explore/task_post
            var taskPostResponse = await httpClient.PostAsync("/v3/keywords_data/google_trends/explore/task_post", new StringContent(JsonConvert.SerializeObject(postData)));
            var result = JsonConvert.DeserializeObject<dynamic>(await taskPostResponse.Content.ReadAsStringAsync());
            // you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
            if (result.status_code == 20000)
            {
                // do something with result
                Console.WriteLine(result);
            }
            else
                Console.WriteLine($"error. Code: {result.status_code} Message: {result.status_message}");
        }
    }
}

        

The above command returns JSON structured like this:

{
  "version": "0.1.20200130",
  "status_code": 20000,
  "status_message": "Ok.",
  "time": "0.0882 sec.",
  "cost": 0.15,
  "tasks_count": 1,
  "tasks_error": 0,
  "tasks": [
    {
      "id": "02122119-1535-0170-0000-0228cf083d8e",
      "status_code": 20100,
      "status_message": "Task Created.",
      "time": "0.0017 sec.",
      "cost": 0.05,
      "result_count": 0,
      "path": [
        "v3",
        "keywords_data",
         "google_trends",
         "explore",
        "task_post"
      ],
      "data": {
        "api": "keywords_data",
        "function": "explore",
        "se": "google_trends",
        "location_name": "United States",
        "type": "youtube",
        "date_from": "2019-01-15",
        "date_to": "2020-01-01",
        "category_code": 3,
        "keywords": [
          "seo api",
          "rank api"
        ]
      },
      "result": null
    }
  ]
}