To cancel Grok properly, make sure you do it through the exact billing channel...

https://domgodwinson38.gumroad.com/p/what-email-addresses-should-i-search-to-find-my-grok-billing-receipt-fast

To cancel Grok properly, make sure you do it through the exact billing channel you used—whether that’s grok.com (Stripe), Apple Subscriptions, Google Play, X Premium on x.com, or the console.x.ai portals for Business or API billing