How to use Chat GPT4 Code Interpreter with API key?

I am amazed by GPT4’s Code Interpreter, but I am really sad I can’t use it with my API key. I have a PLUS Account for Chat and a API subscription, but the limits of Chat apply to the Code Interpreter and there is no way for me to use my API budget with the Code Interpreter in Chat or Chat in general. I don’t really understand why - I would gladly pay for the tokens used.