Rails ‘unmatched’ routes

In every web application, we need to handle unused routes preferably by showing information to the user that what they are requesting does not exist. For a Rails application, this can be achieved very easily. We will discuss how to implement this feature in Rails thoroughly in this article. Route Configuration. To show a 404 page or return a relevant error in the case of an API application, we need to figure out which routes does not support by our application. For that, we need to update config/routes.rb file as follows. This will catch all of the routes that are not defined before in the file for every type of HTTP method like GET, POST, PUT, DELETE and others as well. Then it will be dispatched to the not_found_method in the ApplicationController of the application. For ease of the development process, you might think doing this in the development environment is unwise. If you want...