Twilio is required in order to utilize any of the SMS texting features available.  SMS texting features include:  SMS text Marketing, Transmitting orders to the Merchant via SMS text messaging, Order Acknowledgements, Assigning Orders to Delivery Drivers, SMS Driver Set-up etc...


Account Serial ID - Can be found on the main dashboard of your Twilio Account.


From Number - Can be found by Click on the # button on the left side of the Twilio dashboard.


Auth Token - Can be found in the main dashboard of your Twilio Account.