For massive e-commerce sites, direct API integration is your best bet for...

https://qqpipi.com//index.php/Drip-Feed_Indexing_for_Tier_2/3_Links:_A_Technical_Playbook

For massive e-commerce sites, direct API integration is your best bet for near-instant updates. For smaller portfolios, paid indexing services—often costing around $29 for 60 credits—can speed up discovery. Keep in mind that these tools aren't magic