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/backlinks/timeseries_new_lost_summary/live" 
--header "Authorization: Basic ${cred}"  
--header "Content-Type: application/json" 
--data-raw "[
    {
        "target": "dataforseo.com",
        "date_from": "2021-12-01",
        "date_to": "2022-02-01",
        "group_range": "month"
    }
]"



        

<?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/';
// Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access
$client = new RestClient($api_url, null, 'login', 'password');

$post_array = array();
// simple way to set a task
$post_array[] = array(
	"target" => "dataforseo.com",
	"date_from" => "2021-12-01",
	"date_to" => "2022-02-01",
        "group_range" => "month"
);
try {
	// POST /v3/backlinks/timeseries_new_lost_summary/live
	$result = $client->post('/v3/backlinks/timeseries_new_lost_summary/live', $post_array);
	print_r($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(
    target='dataforseo.com',
    date_from='2021-12-01',
    date_to='2022-02-01',
    group_range='month'
)
# POST /v3/backlinks/timeseries_new_lost_summary/live
response = client.post("/v3/backlinks/timeseries_new_lost_summary/live", 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({
  "target": "dataforseo.com",
  "date_from": "2021-12-01",
  "date_to": "2022-02-01",
  "group_range": "month"

});
const axios = require('axios');
axios({
  method: 'post',
  url: 'https://api.dataforseo.com/v3/backlinks/timeseries_new_lost_summary/live',
  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 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 backlinks_timeseries_new_lost_summary_live()
        {
            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>();
            postData.Add(new
            {
                target = "dataforseo.com",
                date_from = "2021-12-01",
                date_to = "2022-02-01",
                group_range = "month"
            });
            // POST /v3/backlinks/timeseries_new_lost_summary/live
            // the full list of possible parameters is available in documentation
            var taskPostResponse = await httpClient.PostAsync("/v3/backlinks/timeseries_new_lost_summary/live", new StringContent(JsonConvert.SerializeObject(postData)));
            var result = JsonConvert.DeserializeObject(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": "0.1.20230825",
  "status_code": 20000,
  "status_message": "Ok.",
  "time": "0.9756 sec.",
  "cost": 0.02009,
  "tasks_count": 1,
  "tasks_error": 0,
  "tasks": [
    {
      "id": "09291742-1535-0460-0000-6a346f24530b",
      "status_code": 20000,
      "status_message": "Ok.",
      "time": "0.9151 sec.",
      "cost": 0.02009,
      "result_count": 1,
      "path": [
        "v3",
        "backlinks",
        "timeseries_new_lost_summary",
        "live"
      ],
      "data": {
        "api": "backlinks",
        "function": "timeseries_new_lost_summary",
        "target": "dataforseo.com",
        "date_from": "2021-12-01",
        "date_to": "2022-02-01",
        "group_range": "month"
      },
      "result": [
        {
          "target": "dataforseo.com",
          "date_from": "2021-12-01",
          "date_to": "2022-02-01",
          "group_range": "month",
          "items_count": 3,
          "items": [
            {
              "type": "backlinks_timeseries_new_lost_summary",
              "date": "2021-12-31 00:00:00 +00:00",
              "new_backlinks": 248,
              "lost_backlinks": 173,
              "new_referring_domains": 121,
              "lost_referring_domains": 31,
              "new_referring_main_domains": 59,
              "lost_referring_main_domains": 31
            },
            {
              "type": "backlinks_timeseries_new_lost_summary",
              "date": "2022-01-31 00:00:00 +00:00",
              "new_backlinks": 196,
              "lost_backlinks": 481,
              "new_referring_domains": 121,
              "lost_referring_domains": 90,
              "new_referring_main_domains": 59,
              "lost_referring_main_domains": 90
            },
            {
              "type": "backlinks_timeseries_new_lost_summary",
              "date": "2022-02-28 00:00:00 +00:00",
              "new_backlinks": 194,
              "lost_backlinks": 190,
              "new_referring_domains": 83,
              "lost_referring_domains": 28,
              "new_referring_main_domains": 39,
              "lost_referring_main_domains": 28
            }
          ]
        }
      ]
    }
  ]
}