You can see the unused balance on your screen. It just deducts from it on a query by query basis. I believe they accept from all mints. They don’t have their own mint as of now. I chatted with the creator about all this in detail a couple of weeks ago: https://fountain.fm/episode/qqtpshw4vVuez3RLQffz
Discussion
awesome, I'll listen to the episode. I'm asking because I want to integrate OpenAI APIs into Chachi and need to understand how this works so it's compatible too!