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This endpoint will provide you with the number of new and lost backlinks for the domains, subdomains, and pages specified in the targets array.

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

<?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-dashboard
$client = new RestClient($api_url, null, 'login', 'password');

$post_array = array();
// simple way to set a task
$post_array[] = array(
	"targets" => [
		"forbes.com",
		"cnn.com",
		"bbc.com",
		"yelp.com",
		"https://www.apple.com/iphone/",
		"https://ahrefs.com/blog/",
		"ibm.com",
		"https://variety.com/",
		"https://stackoverflow.com/",
		"www.trustpilot.com"
	],
	"date_from" => "2021-01-01"
);
try {
	// POST /v3/backlinks/bulk_new_lost_backlinks/live
	$result = $client->post('/v3/backlinks/bulk_new_lost_backlinks/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;
?>

The above command returns JSON structured like this:

{
  "version": "0.1.20210917",
  "status_code": 20000,
  "status_message": "Ok.",
  "time": "2.2157 sec.",
  "cost": 0.0203,
  "tasks_count": 1,
  "tasks_error": 0,
  "tasks": [
    {
      "id": "10131639-1535-0349-0000-00ef743e5b24",
      "status_code": 20000,
      "status_message": "Ok.",
      "time": "2.1600 sec.",
      "cost": 0.0203,
      "result_count": 1,
      "path": [
        "v3",
        "backlinks",
        "bulk_new_lost_backlinks",
        "live"
      ],
      "data": {
        "api": "backlinks",
        "function": "bulk_new_lost_backlinks",
        "targets": [
          "forbes.com",
          "cnn.com",
          "bbc.com",
          "yelp.com",
          "https://www.apple.com/iphone/",
          "https://ahrefs.com/blog/",
          "ibm.com",
          "https://variety.com/",
          "https://stackoverflow.com/",
          "www.trustpilot.com"
        ],
        "date_from": "01-01-2021"
      },
      "result": [
        {
          "items_count": 10,
          "items": [
            {
              "target": "www.trustpilot.com",
              "new_backlinks": 28270365,
              "lost_backlinks": 3980406
            },
            {
              "target": "bbc.com",
              "new_backlinks": 8165621,
              "lost_backlinks": 2558739
            },
            {
              "target": "yelp.com",
              "new_backlinks": 19685815,
              "lost_backlinks": 3406010
            },
            {
              "target": "cnn.com",
              "new_backlinks": 14986449,
              "lost_backlinks": 4401835
            },
            {
              "target": "ibm.com",
              "new_backlinks": 3740432,
              "lost_backlinks": 420971
            },
            {
              "target": "forbes.com",
              "new_backlinks": 6468642,
              "lost_backlinks": 1468807
            },
            {
              "target": "https://variety.com/",
              "new_backlinks": 455980,
              "lost_backlinks": 74961
            },
            {
              "target": "https://ahrefs.com/blog/",
              "new_backlinks": 381,
              "lost_backlinks": 221
            },
            {
              "target": "https://www.apple.com/iphone/",
              "new_backlinks": 5916,
              "lost_backlinks": 2191
            },
            {
              "target": "https://stackoverflow.com/",
              "new_backlinks": 1462261,
              "lost_backlinks": 440772
            }
          ]
        }
      ]
    }
  ]
}

All POST data should be sent in the JSON format (UTF-8 encoding). The task setting is done using the POST method. When setting a task, you should send all task parameters in the task array of the generic POST array. You can send up to 2000 API calls per minute.

Below you will find a detailed description of the fields you can use for setting a task.

Description of the fields for setting a task:

Field name Type Description
targets array domains, subdomains or webpages to get new & lost backlinks for
required field
you can set up to 1000 domains, subdomains or webpages
the domain or subdomain should be specified without https:// and www.
the page should be specified with absolute URL (including http:// or https://)
example:
"targets": [
"forbes.com",
"cnn.com",
"bbc.com",
"yelp.com",
"https://www.apple.com/iphone/",
"https://ahrefs.com/blog/",
"ibm.com",
"https://variety.com/",
"https://stackoverflow.com/",
"www.trustpilot.com"
]
date_from string starting date of the time range
optional field
this field indicates the date which will be used as a threshold for new and lost backlinks;
the backlinks that appeared in our index after the specified date will be considered as new;
the backlinks that weren’t found after the specified date, but were present before, will be considered as lost;

default value: today’s date -(minus) one month;
e.g. if today is 2021-10-13, default date_from will be 2021-09-13.
minimum value equals today’s date -(minus) one year;
e.g. if today is 2021-10-13, minimum date_from will be 2020-10-13.

date format: "yyyy-mm-dd"
example:
"2021-01-01"

tag string user-defined task identifier
optional field
the character limit is 255
you can use this parameter to identify the task and match it with the result
you will find the specified tag value in the data object of the response

As a response of the API server, you will receive JSON-encoded data containing a tasks array with the information specific to the set tasks.

Description of the fields in the results array:

Field name Type Description
version string the current version of the API
status_code integer general status code
you can find the full list of the response codes here
Note: we strongly recommend designing a necessary system for handling related exceptional or error conditions
status_message string general informational message
you can find the full list of general informational messages here
time string execution time, seconds
cost float total tasks cost, USD
tasks_count integer the number of tasks in the tasks array
tasks_error integer the number of tasks in the tasks array returned with an error
tasks array array of tasks
        id string task identifier
unique task identifier in our system in the UUID format
        status_code integer status code of the task
generated by DataForSEO; can be within the following range: 10000-60000
you can find the full list of the response codes here
        status_message string informational message of the task
you can find the full list of general informational messages here
        time string execution time, seconds
        cost float cost of the task, USD
        result_count integer number of elements in the result array
        path array URL path
        data object contains the same parameters that you specified in the POST request
        result array array of results
            targets object targets from a POST array
            total_count integer total amount of results relevant the request
            items_count integer the number of results returned in the items array
            items array contains relevant backlinks and referring domains data
                    target string domain, subdomain or webpage from a POST array
                    new_backlinks integer number of new backlinks
number of new backlinks pointing to the target
                    lost_backlinks integer number of lost backlinks
number of lost backlinks of the target

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