Facebook and Twitter Posts

How to display in my ionic app Facebook and Twitter posts?

twiter : https://developer.twitter.com/en/docs
on facebook im not sure if there have such an api : https://developers.facebook.com/docs/

The problem is that i can see the post in the browser with ionic serve (i have it in an iframe) but i cannot see it on my phone. It displays a message like this post cannot be loaded. Ihave already register my app in Facebook

whitelist in cordova.xml allready updated?