There are two types of identifiers on Facebook:
A Facebook ID is a unique, permanent numerical string assigned to every entity on Facebook: personal profiles, business pages, groups, events, and even individual posts. For example, while your Facebook username might be john.doe.7 , your numerical ID could look something like 100012345678901 . facebook id bulma
The browser will display a JSON response (a block of text). It will look something like this: There are two types of identifiers on Facebook: