How to know if the current user is a subscriber of a certain user?

Question

API

The problem is this: there is an account (~ 13k subscribers), there is a second account.
how to find out (best in 1 request) if the second subscriber is?
if I iterate over all next_links until the first match, I will very quickly exhaust the limit of 5k requests per hour. (which actually happened)

Answer 1

Obviously, there will be fewer requests if you sort out not the subscribers of the first, but the subscriptions of the second.