[最佳答案] URL was using characters that Alamofire does not like, had to add a line to resolve... var urlString = "https://graph.facebook.com/mpstnews/posts/?access_token=\(apiKey)&date_format=U&fields=comments.limit(0).summary(1),likes.limit(0).summary(1),from,picture,message,story,name,link,created_time,full_picture&limit=5" urlString = urlString.stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedCharacterSet())!