SitemapKit + PHP

<?php
$apiKey = 'YOUR_API_KEY';

$ch = curl_init('https://sitemapkit.com/api/v1/sitemap/full');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => [
        'Content-Type: application/json',
        "x-api-key: $apiKey",
    ],
    CURLOPT_POSTFIELDS => json_encode(['url' => 'example.com']),
]);

$response = curl_exec($ch);
curl_close($ch);

$data = json_decode($response, true);
echo "Found " . count($data['sitemaps']) . " sitemaps\n";
echo "Extracted " . count($data['urls']) . " URLs\n";

// Filter blog posts
$blogUrls = array_filter($data['urls'], function($u) {
    return strpos($u['loc'], '/blog/') !== false;
});