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

https://seo.edu.rs/blog/why-your-indexing-tool-says-indexed-but-gsc-says-otherwise-11102

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