iOS universal links not working?

Question

I\'m having trouble getting universal links to work

• We have added the json content to our site https://couchsurfing.com/apple-app-site-association
• I have

Answer 1

As some sort of completion to the answers above (took me hours to find out):

The app needs to be installed AFTER you added your "apple-app-site-association" file to the server, as the file initially got fetched / checked after the installation.