The login CTA from aiesec.org takes to the signup page by default. Now we have added an argument called authentication_type which accepts login/signup values. Based on this value the login or signup page will be shown.

AUTH URL - https://auth.aiesec.org/oauth/authorize
Argument - authentication_type
Sample URL - https://auth.aiesec.org/oauth/authorize?client_id=e305a9957ba043d9998a2369064635cab525b4dfb8a7c8eb39035451236ffb67&redirect_uri=https%3A%2F%2Faiesec.org%2F&response_type=code&authentication_type=login