To cancel Grok correctly, use the same billing channel you signed up...
https://www.pop-bookmarks.win/to-cancel-grok-correctly-you-need-to-use-the-same-channel-you-signed-up-with
To cancel Grok correctly, use the same billing channel you signed up with—whether that’s grok.com/Stripe, Apple Subscriptions, Google Play, X Premium on x.com, or your Business/API billing portal at console.x.ai