how to get tokens

Question

I have to create web api in asp.net core console application and want to check api is created?

 

and want to create token for a web api but unable to create it.

 

please help me to create token and consume api in console app

// code for token
string result = string.Empty;
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(baseAddress);
httpWebRequest.ContentType = "application/json; charset=utf-8";
httpWebRequest.Method = "Get";
httpWebRequest.Accept = "application/json";
httpWebRequest.Headers.Add("Authorization", "Bearer " + accessToken);
// method for consume api
public string GET(string url)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
StreamReader reader;
try
{
WebResponse response = request.GetResponse();
using (Stream responseStream = response.GetResponseStream())
{
reader = new StreamReader(responseStream, System.Text.Encoding.UTF8);
return reader.ReadToEnd();
}
}
catch (WebException ex)
{
WebResponse errorResponse = ex.Response;
using (Stream responseStream = errorResponse.GetResponseStream())
{
reader = new StreamReader(responseStream, System.Text.Encoding.GetEncoding("utf-8"));
String errorText = reader.ReadToEnd();
}
throw;
}
}