Bulk Keyword difficulty API

Price: 12 credits per request

Description: Quickly discover how hard it is to rank in search for a specific keyword with the keyword difficulty API.  Post up to a 1000 keywords to this API endpoint and receive real-time results. 

Query string parameters

Name Parameter Description
Keyword &keyword=

The keyword or phrase is used by the the algorithm to calculate the keyword difficulty score.

example: seo tools
Language &hl=

The language that is used as input to analyze the relevant Google search results  (full list of the available languages)

example: English
Location &location=

The geographical location that is used as input to analyze the relevant Google search results

example: United States
API key &key= Your private API key

Response elements

Name Description
keyword Input keyword
keyword difficulty The keyword difficulty score (on a 0 – 100 scale)

 

More information: discover more about this API


PHP code example

<?php 

/*
    API documentation for SEO Review Tools.
    API info: https://www.seoreviewtools.com/seo-api/
    API documentation: https://api.seoreviewtools.com/documentation/
    LinkedIn: https://www.linkedin.com/company/seo-review-tools
*/



function curlFunction ($toolRequestUrl, $curlData){

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $toolRequestUrl);
    curl_setopt( $ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,false); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $curlData);
    $html = curl_exec($ch);
    $curlInfo = curl_getinfo($ch);

    return($html);
}


// API key 
$apiKey = 'YOUR-API-KEY';

// Location
$location = "United States"; 

// Language
$language = "English";  

// input keywords
$data = json_encode(['keywords' => ['SEO', 'search', 'Google']]);


$toolRequestUrl = 'https://api.seoreviewtools.com/bulk-keyword-difficulty/?location='.urlencode($location).'&hl='.urlencode($language).'&key='.$apiKey;

// get data from API
$dataJson = curlFunction($toolRequestUrl, $data); 

// convert JSON to PHP array
$dataArray = json_decode($dataJson, true);

// check if API call is success or failed
// (just some basic validation)

// API call fail
if ($dataArray['status'] !== 'ok'){

    // return error message
    echo 'Error message: '.$dataArray['error message'];

// API call success    
} else {
    print_r($dataArray['data']['data']);
} 



?>   

JSON response example






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