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This endpoint will provide you with the total number of backlinks, domains, and pages our database contains for the moment when you make a request. You will also get stats for the last 12 months.

Note that monthly index data is available starting from 2021-10-01; subsequent months will be added over time.

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

<?php
// You can download this file from here https://api.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-dashboard
	$client = new RestClient($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 {
	// using this method you can get information about current user
	// GET /v3/backlinks/index
	$result = $client->get('/v3/backlinks/index');
	print_r($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;
?>

The above command returns JSON structured like this:

{
  "version": "0.1.20210917",
  "status_code": 20000,
  "status_message": "Ok.",
  "time": "25.1309 sec.",
  "cost": 0,
  "tasks_count": 1,
  "tasks_error": 0,
  "tasks": [
    {
      "id": "10251319-1535-0352-0000-108d48e8f381",
      "status_code": 20000,
      "status_message": "Ok.",
      "time": "10.0698 sec.",
      "cost": 0,
      "result_count": 1,
      "path": [
        "v3",
        "backlinks",
        "index"
      ],
      "data": {
        "api": "backlinks",
        "function": "index"
      },
      "result": [
        {
          "total_backlinks": 800620797193,
          "total_pages": 80847129445,
          "total_domains": 770682956,
          "index_history": [
            {
              "date": "2021-10-01",
              "total_backlinks": 565930450176,
              "total_pages": 58044753857,
              "total_domains": 612456690
            }
          ]
        }
      ]
    }
  ]
}

‌‌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 parameters passed in the URL of the GET request
        result array array of results
            total_backlinks integer total number of backlinks our database contains for the moment of checking
            total_pages integer total number of pages our database contains for the moment of checking
            total_domains integer total number of domains our database contains for the moment of checking
            index_history array index volume data for the past 12 months
                    date string date for which index volume data is provided
in the UTC format: “yyyy-mm-dd”
example:
2021-10-01
                    total_backlinks integer total number of backlinks our database contained on the given date
                    total_pages integer total number of pages our database contained on the given date
                    total_domains integer total number of domains our database contained on the given date

‌‌