If you’re managing a small site, stick to Google Search Console’s manual...
https://alpha-wiki.win/index.php/Can_You_Use_Google_Search_Console_to_Index_a_URL_You_Don%27t_Own%3F
If you’re managing a small site, stick to Google Search Console’s manual request—it's free and precise. For high-volume e-commerce, API integrations are the standard, often confirming signals in under two minutes