Orai Notification app makes it easier for you to share your whatsapp messages easily using your own Twilio and Kaleyra account api keys. Just fill the data in the sheet and select the type of service from the drop list and fill your api key details and send. Message will be sent on whatsapp. You can also send pdf files. You can watch the demo of the usage of this add on over here. https://www.youtube.com/embed/Mq2q4aXliXY