ROAS of Whatsapp Business

Has anyone found a way or knows a tool that can send promotional messages over WhatsApp without using the WhatsApp API?

Any leads / workaround would be helpful.

Hi, I am Simardeep Singh, an experienced performance marketer. These are the stats to my latest account that I handle for a D2C brand working out of Delhi.

I work for passion & not for much money. I don't bill you until I give you 10x i...

Any marketer who works in retention marketing and/or has tried whatsapp apart from usual email + sms? Just need some advice. A plus if you've worked with both Indian and international brands.