Getting Documentation Json Instead Of Real Data From Api Calls

           //Get the token with my own OAuth2 class
            var auth = new OAuth2("https://api.shapeways.com/oauth2/token", ConfigurationManager.AppSettings["ShapewaysClientID"], ConfigurationManager.AppSettings["ShapewaysClientSecret"]);
            var tokenResult = auth.GetToken();

            using (var client = new WebClient())
            {
                //Add the access token to the API request
                client.Headers.Add("Authorization", "Bearer " + tokenResult.AccessToken);

                var url = "https://api.shapeways.com/models/v1";

                //Make the request
                var result = client.DownloadString(url);

                //Parse the returned JSON object
                return JObject.Parse(result);
            }