Is it possible to find out if a person is following another person without the Instagram API?

Question

API

Guys, you need to check if one account is signed to another. For example, there is a login of one and another account, you need to know if the first is subscribed to the second.
There is no access to the Instagram API. Whether it is possible to implement somehow?

Answer 1

If there is a password from the user, you can
If not, then you just take the list of followers and determine from it