An example of GET request using HttpClient in C#

get_using_httpclient.cs

namespace API.Controllers
{
    public class GithubController : ApiController
    {
        private const string _address = "https://api.github.com/users/tdshipley";
        private const string _userAgent = "TestApp";

        // GET api/<controller>
        public async Task<string> Get()
        {
            var result = await GetAsync(_address);

            return result.ToString();
        }

        private async Task<JObject> GetAsync(string uri)
        {
            HttpClient client = new HttpClient();

            client.DefaultRequestHeaders.Add("Authorization", "token ADD YOUR OAUTH TOKEN");
            client.DefaultRequestHeaders.Add("User-Agent", _userAgent);
            var content = await client.GetStringAsync(uri);

            return JObject.Parse(content);
        }
    }
}