How to Add WhatsApp API Number in your Facebook Business Manager to Run Ads
Adding a WhatsApp API Number to your Facebook Ad is an innovative and easy way to communicate with customers at their convenience, giving them the freedom to respond when it’s convenient for them. It is an easy way for you to deliver additional information about your brand and products. This will also help you manage real-time customer insight, so that you can engage efficiently and directly with customers.
Ensure that you have admin/owner access to your facebook business manager page.