You can now set up Email, WhatsApp, and SMS campaigns straight from the Admin panel, without using any external tools and services.
Everything you need to know is already here:
How to set up WhatsApp Campaigns (Not supported by Meta in the US)
To enable the Campaigns for your business, click the Connect button in Admin panel -> Campaigns.
Once you're connected, feel free to let us know which campaign you'd like to test first, and we'll be happy to hear out your requirements and help you set it up if necessary.
You could also schedule a Campaigns setup call and talk to us directly.