RapidAPI. You can consume multiple API's from one account and as a developer it's a good way to monetize an API if there isn't too much competition in your nich

RapidAPI. You can consume multiple API's from one account and as a developer it's a good way to monetize an API if there isn't too much competition in your niche. Not sure what you mean by firewalling but RapidAPI does authenticate their requests to your endpoint so as a developer you can do access control in this way.