The Facebook Business Manager ID corresponds to your Business Manager, the central platform where you can manage your ads, manage assets such as Pages and add accounts, and even add an agency or partners to help manage your business; in this case, the WhatsApp Business Profile.It is a 16-digit number that uniquely id

Your business ID corresponds to your Meta Business Manager. Steps to find your business ID can be found below:

1. Go tohttps://business.facebook.com/& log-in with your facebook credentials. If you have not created an Facebook Business Manager account yet,learn how to create it.

2. Go toBusiness Settings.

3. Go toBusiness InfoSection. Once you open this section, you will be able to find Facebook Business Manager ID