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

https://remote-wiki.win/index.php/What_Does_a_Successful_Grok_Cancellation_Look_Like_on_the_Web%3F

To cancel Grok, be sure to use the same billing channel you signed up with—whether that's 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