To cancel your ChatGPT subscription, make sure to 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 to do it through the same platform where you signed up, whether that’s the web, Apple, Google Play, Stripe, Business, or API billing