The stackauth.com sites query is not returning stackapps.com at all:
http://stackauth.com/0.8/sites?type=jsontext
{ "api_sites": [ { "name": "Stack Overflow", "logo_url": "http://sstatic.net/so/img/logo.png", "api_endpoint": "http://api.stackoverflow.com", "site_url": "http://stackoverflow.com", "description": "Q&A for programmers", "icon_url": "http://sstatic.net/so/apple-touch-icon.png" }, { "name": "Server Fault", "logo_url": "http://sstatic.net/sf/img/logo.png", "api_endpoint": "http://api.serverfault.com", "site_url": "http://serverfault.com", "description": "Q&A for system administrators and IT professionals", "icon_url": "http://sstatic.net/sf/apple-touch-icon.png" }, { "name": "Super User", "logo_url": "http://sstatic.net/su/img/logo.png", "api_endpoint": "http://api.superuser.com", "site_url": "http://superuser.com", "description": "Q&A for computer enthusiasts and power users", "icon_url": "http://sstatic.net/su/apple-touch-icon.png" }, { "name": "Stack Overflow Meta", "logo_url": "http://sstatic.net/mso/img/logo.png", "api_endpoint": "http://api.meta.stackoverflow.com", "site_url": "http://meta.stackoverflow.com", "description": "Q&A about Stack Overflow, Server Fault, and Super User", "icon_url": "http://sstatic.net/mso/apple-touch-icon.png" } ] }