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首先抱歉我的英語不好。 任務是使用API在instagram中進行身份驗證。當我在用戶點擊「確定」後嘗試獲取令牌時，我從HttpWebResponse得到403錯誤，並且無法獲得我的令牌:(。我不知道該怎麼做，請幫助我。在我瀏覽器 - 這是確定從HttpWebResponse 403錯誤Instagram
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create("https://instagram.com" + url);
request.UserAgent = "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36";
request.Method = "POST";
request.CookieContainer = cookies;
request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
request.Headers.Add("Accept-Encoding: gzip, deflate");
request.Headers.Add("Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.6,en;q=0.4");
request.Headers.Add("Cache-Control:max-age=0");
request.ContentType = "application/x-www-form-urlencoded";
request.Host = "instagram.com";
request.Headers.Add("Origin: https://instagram.com");
StreamWriter writer = new StreamWriter(request.GetRequestStream());
writer.Write("csrfmiddlewaretoken=" + par + "&username=LOGIN&password=PASSWORD");
writer.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse(); //403 ERORR