How to Check an IP Address for Threats in PHP

We can learn a lot about potentially threatening IP addresses by calling a free IP threat detection API with complementary PHP code.

Specifically, we’ll be able to check if IP addresses are known threats including bad IPs, botnets, compromised servers, and more.

To begin structuring our API call, let’s first install the client SDK. We can run the below command from the command line to install with Composer:

composer require cloudmersive/cloudmersive_security_api_client

Next, let’s turn our attention to authorization. We’ll need a free Cloudmersive API key to authorize our requests (this will give us a limit of 800 API calls per month with no additional commitments).

Lastly, we can call the function using the below ready-to-run PHP code examples (we can enter our IP address as a string in the $value request variable):

<?php
require_once(__DIR__ . '/vendor/autoload.php');

// Configure API key authorization: Apikey
$config = Swagger\Client\Configuration::getDefaultConfiguration()->setApiKey('Apikey', 'YOUR_API_KEY');



$apiInstance = new Swagger\Client\Api\NetworkThreatDetectionApi(
    
    
    new GuzzleHttp\Client(),
    $config
);
$value = "value_example"; // string | IP address to check, e.g. \"55.55.55.55\".  The input is a string so be sure to enclose it in double-quotes.

try {
    $result = $apiInstance->networkThreatDetectionIsThreat($value);
    print_r($result);
} catch (Exception $e) {
    echo 'Exception when calling NetworkThreatDetectionApi->networkThreatDetectionIsThreat: ', $e->getMessage(), PHP_EOL;
}
?>

All done — no more code required. Now we can efficiently check IP addresses for known threats using minimal code.