JSON API Errors

errors.json

{
  "errors": [
    {
      "status": "400",
      "source": { "pointer": "/data/attributes" },
      "title": "parameter missing",
      "detail": "parameter missed or empty: /data/attributes"
    }
  ]
}

users_controller.rb

class UsersController < ApplicationController
  def create
    begin
      render json: UserFactory.run(user_params), status: :created
    rescue ActionController::ParameterMissing => e
      return render json: {
        errors: [
          {
            status: "422",
            source: { pointer: e.param },
            title: "parameter missing",
            detail: "#{e.param} missed"
          }
        ]
      }, status: :unprocessable_entity
    end
  end

  def user_params
    params
      .require(:data)
      .require(:attributes)
      .permit(:mobile, :email, :password)
  end
end