require 'grape' class GrapeSimple < Grape::API rescue_from :all do |e| error_response({ message: "rescued from #{e.class.name}" }) end get '/json_endpoint' do present({ :test => true }) end get "/break" do raise Exception.new("This should have http status code 500!") end get "/error" do error!("This is a error with 'error'!") end get "/breakstring" do raise "This should have http status code 500!" end end