Great question. Currently our analytics only count data that is used in our video player (or if you incorporate our analytics libraries into your player:
without the analytics package, there is currently no way to differentiate users. We are working on the ability to offer multiple API keys per account which might solve your issue, which should be ready early 2022.
Multiple api keys would really solve the problem of the billing multiple clients, I can always find a way to track the individual viewing time if it’s not provided by the api, can you keep me posted when this feature is available?