$response = curl_exec($ch);
preg_match_all('/^Set-Cookie:\s*([^;]*)/mi', $response, $matches); $cookies = array(); foreach($matches[1] as $item) { parse_str($item, $cookie); $cookies = array_merge($cookies, $cookie); }

Hangi dil üzerinden istek gönderdiğinizi bilmediğim için php ile bu şekilde çerezleri diziye aktarıp istediğiniz çerezi kullanabilirsiniz.

Yani giriş yaptığınız hesabın çerezlerine ulaşıyorsunuz istediğiniz gibi

bu şekilde deneyin

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://www.instagram.com/api/v1/web/accounts/login/ajax/');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'authority: www.instagram.com',
    'accept: */*',
    'accept-language: tr-TR,tr;q=0.9,en-US;q=0.8,en;q=0.7',
    'content-type: application/x-www-form-urlencoded',
    'origin: https://www.instagram.com',
    'referer: https://www.instagram.com/',
    'sec-ch-prefers-color-scheme: light',
    'sec-ch-ua: "Google Chrome";v="113", "Chromium";v="113", "Not-A.Brand";v="24"',
    'sec-ch-ua-full-version-list: "Google Chrome";v="113.0.5672.127", "Chromium";v="113.0.5672.127", "Not-A.Brand";v="24.0.0.0"',
    'sec-ch-ua-mobile: ?0',
    'sec-ch-ua-platform: "Windows"',
    'sec-ch-ua-platform-version: "10.0.0"',
    'sec-fetch-dest: empty',
    'sec-fetch-mode: cors',
    'sec-fetch-site: same-origin',
    'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36',
    'viewport-width: 1366',
    'x-asbd-id: 198387',
    'x-csrftoken: hqJ3wjPDXa1bzvJomMyVKj3T65BIxYFU',
    'x-ig-app-id: 936619743392459',
    'x-ig-www-claim: 0',
    'x-instagram-ajax: 1007538381',
    'x-requested-with: XMLHttpRequest',
    'accept-encoding: gzip',
]);
curl_setopt($ch, CURLOPT_COOKIE, 'csrftoken=hqJ3wjPDXa1bzvJomMyVKj3T65BIxYFU; mid=ZDc9tAALAAEDNdNk_V8q0gJwQjyf; ig_did=95041F4B-C047-49ED-9277-34586883B48E; ig_nrcb=1; datr=sj03ZE3wrERybv0zaewrp-2g');
curl_setopt($ch, CURLOPT_POSTFIELDS, 'enc_password=%23PWD_INSTAGRAM_BROWSER%3A10%3A1684796826%3AAcxQAH4wGBr7E0HI3pKEROb7oi9SA4vESnZNDjFLWJ8OQf1qtj%2FpbmJo5jn9h4vK5epgYKLUw8pZiQyfbzGeDphiH0dPZgbPxnd9RCpgt4WyFZugiISXUhCioOvq2x%2FDwnqBDvygIqd9cYK3fRUDXw%3D%3D&username=bhguyuggu&queryParams=%7B%7D&optIntoOneTap=false&trustedDeviceRecords=%7B%7D');
$response = curl_exec($ch);
curl_close($ch);
print_r($response);