Official Instagram API Information
If you need to get the latest posts from a user, the official way to do it is as follows:
https://www.instagram.com/cats_in_food/?__a=1
Make sure the account is public and replace "cats_in_food" with the account's name.
This is the official way to do it.
The response is a big json object with all sorts of information you could use. It is perfect. No need to look any further.
This probably doesn't work anymore, but it worked one time