to your servers whenever Facebook data you care about changes.Once notified, you can decided how and when to fetch the new, updated data from Facebook.
Koala supports real-time updates with the Realtime Updates class, which contains everything you need to add, update, read and delete your subscriptions to real-time updates.
A Realtime Updates object can be create in one of two ways.
All change notifications will be sent as POST requests and include a JSON payload.
If you need more information about setting up HTTPS for your callback endpoint, check out the Getting Started Guide from Let's Encrypt and the SSL Certificate Installation instructions from Digicert.
Does anybody knows if this normal or if there is a workaround?