To cancel your ChatGPT subscription, be sure to do it through the same billing...

https://www.scribd.com/document/1061172344/Why-Can-I-Not-See-Billing-in-ChatGPT-Business-218986

To cancel your ChatGPT subscription, be sure to do it through the same billing channel you used to subscribe—whether that’s the web (Stripe), Apple App Store, Google Play, Business account, or API