To cancel Grok correctly, use the same billing channel where you signed...
https://www.blaze-bookmarks.win/to-cancel-grok-be-sure-to-use-the-same-billing-channel-you-signed-up
To cancel Grok correctly, use the same billing channel where you signed up—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