If you’re managing high-volume site updates, use the Google Search Console API...

https://scarlettsuniquedigest.yousher.com/what-is-the-cleanest-white-hat-way-to-get-a-url-indexed

If you’re managing high-volume site updates, use the Google Search Console API for automated, reliable pushes. For stubborn backlinks or niche sites, third-party services can be useful, with some providers processing submissions in under two minutes