Indexing tools are best for nudging Google to re-check fresh content or new...

https://www.4shared.com/office/mg3w3V-sge/pdf-29834-5493.html

Indexing tools are best for nudging Google to re-check fresh content or new backlinks. For high-volume sites, API-based services offer efficiency, often pricing around $29 for 60 credits to automate your submission workflow. Use these sparingly