They provided an option to build it locally and run it yourself. But yeah, I wish there is a common proxy protocol that would allow website accessing private resources without exposing private keys
What alternative would you suggest for a free service that depends on OpenAI APIs? It's easy enough to generate an API key for this service and delete it afterwards.
Because it's bad practice to provide sensitive information to untrusted sources, and if you are an ethical developer, it's an anti-pattern to write software that encourages bad practices.
Your credit card company will reverse any authorized charges. Will you email me all your credit card info?