Where is Elgg API?

I am trying to search for Elgg API and on the offical website: https://elgg.org/developers.php, the API links to https://elgg.org/2.x/annotated.html, but unfortunately it's a 404 page. Can anyone fix this please? Thanks 

Feedback and Planning

Feedback and Planning

Discussions about the past, present, and future of Elgg and this community site.