Once you have registered for Whatsapp Business API (WABA) service, you can use any bot inside the TARS builder as a Whatsapp bot. Here's an article on how to get started with a WABA account.
Follow the steps below to learn how to configure:
> Once your account has been created, all you need to do is go to the distribute/share section of in account.
> Select 360dialog from the dropdown
> Enter all the fields that comes e.g. Account SID, AuthToken etc. which you get once your WABA account is confirmed
Once the Whatsapp section has been setup, drop a text in the whatsapp business number to get the conversation started