Does ChatGPT actually come with an official API as of now? Also, regarding that extension: Is that currently using the API key of the person who developed the

Does ChatGPT actually come with an official API as of now? Also, regarding that extension: Is that currently using the API key of the person who developed the extension? I believe OpenAI used to have a rule in their terms of service which forbids applications that essentially hand the reins of the API key owner over to third parties.