I have $37 credit in my API account but I cancelled my API keys, what happens to that credited amount in my account?

I have $37 credit in my API account but I cancelled my API keys, what happens to that credited amount in my account?

API credits expire one year after purchase.

Just generate a new API key in a project, or use the chat Playground, and you are using the API again…

API keys can be revoked and generated on-demand, as they are just the authentication method to make API calls.