Click SABNZBD on sonarr/radarr download client 

set ip to 127.0.0.1

set pott to 65080 or the port listed in SABnzbd Port on the SAB app under sabnzbd/config/general/

type your username seedit4me

and your seedbox password in 

No SSL

and take the API key from the Sab app and click test it should now connect