A customer is suggesting we implement a feature to limit ChatGPT exposure for certain customer/set daily token limit per user or bot.

"We are using chatfuel on our lean english application to help customers with general Q and A. It works well for this purpose however some customers have worked out it can be used also for english learning and exhaust the credits . Is there a way we can limit the chat per customer somehow to avoid this issue? I think just a setting to limit the amount of tokens per any chat. Any reasonable use of a chat is not likely to exceed a certain number of tokens or time"