If your content is helpful, GSC is usually enough. For massive sites or...

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

If your content is helpful, GSC is usually enough. For massive sites or time-sensitive link building, indexing services like IndexJump (typically $19-$29 for 100+ URLs) can speed up discovery to under two minutes. However, don’t use these as a crutch