PHP API Integration

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.whoisfreaks.com/v2.0/dns/live?apiKey=API_KEY&domainName=whoisfreaks.com&ipAddress=8.8.8.8&type=all");
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
echo $response;
curl_close($ch);

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.whoisfreaks.com/v2.0/dns/historical?apiKey=API_KEY&domainName=whoisfreaks.com&type=all&page=1");
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
echo $response;
curl_close($ch);

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.whoisfreaks.com/v2.1/dns/reverse?apiKey=API_KEY&format=json&value=8.8.8.8&type=a");
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
echo $response;
curl_close($ch);

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.whoisfreaks.com/v2.0/dns/bulk/live?apiKey=API_KEY&type=all&format=json");
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Content-Type: application/json",
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, '{"domainNames": ["whoisfreaks.com","jfreaks.com"],"ipAddresses": ["1.1.1.1","8.8.8.8"]}');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
echo $response;
curl_close($ch);