Its a very “intrusive” channel quite similar to SMS, but it depends a lot on the market. Where business really runs on WhatsApp, like LATAM, some middle east and parts of Europe, it can work. What I’ve seen is it works much better as a second touch than a cold first one.
Someone who already got your email will reply. A total stranger usually ignores it or reports it, and the number can get blocked fast.
Which market are you thinking about?
