To link your Business Instagram account, Facebook requires an Instagram Business account to be linked to a Facebook page. If you have this setup, your Instagram Business Account will be available in the prompts when you connect your Facebook account. 

Click HERE for a list of steps to follow to ensure your Business Instagram and Business Facebook page are properly linked.

If you have a Business Instagram and it is linked to Facebook but you do not see your Instagram page as an option when connecting to Facebook click HERE.