Since I didn't find any real way to register a user to our Drupal 8 site we are going to be using a little different approach that will have the same results.
So instead of registering a user in traditional sense we are going to create a user. This will be very similar to creating a movie.
I'm also going to show you how to handle success and error messages once the user inputs his/hers data. Because Drupal won't allow you to have a user with the same address etc.
REST UI LINK : https://www.drupal.org/project/restui
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