To cancel your ChatGPT subscription, you need to do so through the same channel...

https://www.hotel-bookmarkings.win/to-cancel-your-chatgpt-subscription-be-sure-to-do-it-through-the-same-billing-1

To cancel your ChatGPT subscription, you need to do so through the same channel you used to subscribe—whether that’s the web via Stripe, Apple, Google Play, Business, or API