The 24-Hour conversation window on the WhatsApp Business Platform
A critical concept of the WhatsApp Business Platform is the "24-hour window," which significantly impacts how you can engage with your customers via WhatsApp.
Add an Opt-Out for your WhatsApp Newsletter
Creating an Opt-Out option for your audience will help you to get your newsletters only to contacts which are really interested in your marketing messages.
WhatsApp-Templates are a good way to send Newsletters, Promos, etc. to your audience.