How to send WhatsApp messages in C# [Updated]

This video demonstrates to you – step by step – how you can send a WhatsApp message in C#.

Video instructions for steps 1 through 3: https://www.youtube.com/watch?v=2YMgFPTgB2o

Written instructions are available at:
https://www.whatsmate.net/whatsapp-gateway-api.html