This application only works with WhatsApp Business APIs. To apply for WhatsApp Business APIs, visit our website https://wati.io Message Sender for WhatsApp 1. Select WhatsApp numbers from "Google" sheet. 2. Enter the "endPoint" and "apiKey" 3. Select a template message from the list. 4. Fill in the edit box.(Just click on every edit box, and select cells from "Google" sheet.) 5. To send message now, click on "Send now" or click on "Schedule..." to schedule sending message.