To cancel Grok, be sure to use the same billing channel you signed up...

https://www.4shared.com/office/Ry_OlxVffa/pdf-67541-51151.html

To cancel Grok, be sure to use the same billing channel you signed up 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