In this article, we'll explain how to create a WhatsApp broadcast list, which allows you to send an identical message to multiple contacts at once, without the recipient knowing that there are other members on the list or that he or she is on the list at all.
How to create a broadcast list in WhatsApp
WhatsApp allows you to create as many Broadcast Lists as you want. However, it limits each list to 256 contacts.
Here's how to create a WhatsApp broadcast list.
Open the WhatsApp app on your iPhone or Android smartphone and tap Chats.