Search Discourse Topics Via API and C#

SearchForum

private List<DiscoursSearchResult> SearchForum(string term)
{
    List<DiscoursSearchResult> results = new List<DiscoursSearchResult>();
    if (string.IsNullOrEmpty(term))
        return results;
    string url = ConfigurationManager.AppSettings["DiscourseUrl"] + "/search.json?include_blurbs=true&type_filter=topic&api_key=" + ConfigurationManager.AppSettings["DiscourseAPIKey"] + "&api_username=" + ConfigurationManager.AppSettings["DiscourseUrl"] + "&term=" + term;
    HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
    req.Method = WebRequestMethods.Http.Get;
    req.Accept = "application/json";

    try
    {
        using (var response = (HttpWebResponse)req.GetResponse())
        {
            using (var reader = new StreamReader(response.GetResponseStream()))
            {
                string responseString = reader.ReadToEnd();
                var jsonObj = JArray.Parse(responseString);
                var r = (JArray)jsonObj[0]["results"];
                foreach (var item in r)
                {
                    results.Add(new DiscoursSearchResult()
                    {
                        Id = Convert.ToInt32((string)item["id"]),
                        Title = (string)item["title"],
                        Url = ConfigurationManager.AppSettings["DiscourseUrl"] + (string)item["url"],
                        Blurb = (string)item["blurb"]
                    });
                }
            }
        }
    }
    catch (Exception error)
    {
        //not throwing ... no forum responses or bad request not logged on purpose
    }
    return results;
}