Hi, Could you please help me about this problem? I try on facebook connect on iphone using phonegap. user can be log in and I can catch access_token. I send these token to my php file to logincheck. Here, I think I must control this access_token is valid and what is this user facebook id? Of course, session is not started on php server side, and alsoI checked "[url removed, login to view]" with curl. But curl gives this error : OAuthException can only call this method on valid test users for your app. I need checking access_token valid and get userid for security. Can you help me? Thank you again.Sincerely.