Find a key you connected
No account, no link, no email needed. Paste the key itself — holding it is proof it is yours — and you will see every app that can currently use it, with an off switch beside each one.
The key is checked against a one-way fingerprint and is never stored by this page. It cannot be used here to sign in, to see anything else on the account, or to read a credential back out — only to see and cut off what is spending it.
Connected a ChatGPT subscription rather than a key? There is nothing to paste, so sign in through the app you use it with, or from your account page if you saved an email or a passkey. You can also end the session from ChatGPT’s own security settings, which works no matter what.