I use the following endpoint: [url]https://www.bungie.net/platform/destiny/help/HelpDetail/GET?uri=Stats%2fAggregateActivityStats%2f%7bmembershipType%7d%2f%7bdestinyMembershipId%7d%2f%7bcharacterId%7d%2f[/url] You will have to loop the characters and count up the completions. In the response you will have to look for the following activity hashes with the field 'activityCompletions'. "kingsfall" => array(1733556769 => "nm", 3534581229 => "hm"), "vog" => array(2659248071 => "nm", 2659248068 => "hm"), "crota" => array(1836893116 => "nm", 1836893119 => "hm"), "wrathofthemachine" => array(260765522 => "nm", 1387993552 => "hm"), nm = Normal mode hm = Hard mode