To cancel Grok, make sure you do it through the exact billing channel you first...
https://victor-wiki.win/index.php/Is_xAI_API_Billing_Separate_from_SuperGrok_Subscription_Billing%3F
To cancel Grok, make sure you do it through the exact billing channel you first subscribed with—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