To cancel Grok, make sure you do it through the same channel you subscribed...

https://weekly-wiki.win/index.php/How_Do_I_Stop_xAI_API_Charges_from_Auto-Recharge%3F

To cancel Grok, make sure you do it through the same channel you subscribed with—whether that’s grok.com via Stripe, Apple Subscriptions, Google Play, X Premium on x.com, console.x.ai for Business, or console.x.ai Billing for API auto-recharge