<?php
function verifyKlaviyoKey($apiKey) {
    $url = "https://a...content-available-to-author-only...o.com/api/accounts/";
 
    $ch = curl_init($url);
 
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        "Authorization: Klaviyo-API-Key $apiKey",
        "Accept: application/json"
    ]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 
    curl_close($ch);
 
    if ($httpCode === 200) {
        return true;  // ✅ Key is valid
    } else {
        return false; // ❌ Invalid or insufficient permissions
    }
}
 
// Example usage:
$apiKey = "pk_618e84267f485d10a093d8ddd8f82aa67f";
 
if (verifyKlaviyoKey($apiKey)) {
    echo "✅ API Key is valid!";
} else {
    echo "❌ API Key is invalid or unauthorized.";
}
?>
 

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