Okay, but neither of those options works in this case, as he has specified “With only user auth token”. At the moment, there is no way to get the UserID using the New API, you have to use the root of the v5 API.
Okay, but neither of those options works in this case, as he has specified “With only user auth token”. At the moment, there is no way to get the UserID using the New API, you have to use the root of the v5 API.