To cancel your ChatGPT subscription, make sure you do it through the same...

https://domgodwinson38.gumroad.com/p/how-do-i-find-which-email-is-tied-to-my-chatgpt-subscription

To cancel your ChatGPT subscription, make sure you do it through the same billing channel you used to sign up—web/Stripe, Apple, Google Play, Business, or API