gistfile1.lua

local twilio = require 'twilio'

local AUTHTOKEN = '[auth_token]'

if twilio.verify(request, AUTHTOKEN) then
  return {['Content-Type']='application/xml'},
    [[<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n
    <Response>
        <Say>Hello, Monkey</Say>
    </Response>]]
else
  return 403
end