To cancel Grok properly, stop your subscription through the original billing...
https://atavi.com/share/xxqa3fz9cnxp
To cancel Grok properly, stop your subscription through the original billing channel you used: Grok.com (Stripe), Apple Subscriptions, Google Play, X Premium on x.com, console.x.ai for Business, or console.x.ai Billing for API auto-recharge