Basic API Setup

application_controller.rb

class Api::ApplicationController < ActionController::Metal
  include ActionView::Layouts
  include ActionController::Helpers
  include ActionController::Rescue
  include ActionController::Redirecting
  include AbstractController::Rendering
  include ActionController::Renderers::All
  include ActionController::ImplicitRender
  include ActionController::MimeResponds
  include ActionController::ConditionalGet
  include AbstractController::Callbacks
  include ActionController::StrongParameters
  include ActionController::Caching
  include Rails.application.routes.url_helpers

  respond_to :json

  rescue_from NoMethodError, with: :no_method
  rescue_from StandardError, with: :standard_error
  rescue_from ActiveRecord::RecordNotFound, with: :record_not_found
  rescue_from ActionView::MissingTemplate, with: :missing_template

  append_view_path "#{Rails.root}/app/views"

  # ...
end