Hello
The Facebook API let's businesses require Facebook insight data to allow people to do a variety of things. Those could be:
- Marketing API: Create target groups, create ads, automate the process, retrieve insights of these.
- Instagram API: Create ads etc., like posts, follow users, DM etc..
SCRAPING:
In addition to the API you can request to have a scraper build that is the foundation of creating tools such as
- influencer dashboards
- search for Instagram usernames to get a lot of info
- etc.