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

https://stateofseo.com/what-is-feed-injection-and-why-does-it-matter-for-indexing-tools/

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