To cancel your ChatGPT subscription, be sure to do so 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 so through the same billing channel you used to buy it—whether that’s web/Stripe, Apple, Google Play, Business, or API