You may want to authenticate users on the backend, so that they aren't just rate limited. If you don't check authentication on the backend then the "premium" is useless, since people could just request directly to the API you've set-up and exposed very conveniently.
You may want to authenticate users on the backend, so that they aren't just rate limited. If you don't check authentication on the backend then the "premium" is useless, since people could just request directly to the API you've set-up and exposed very conveniently.