How can I pass header and parameter with HttpClient in .NET Core

Question

This is my code using the RestSharp library:

var client = new RestClient("https://example.com/api");
client.Timeout = -1;

var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer token...");
request.AddHeader("Content-Type", "text/plain");
request.AddParameter("text/plain", "{{\"post\":{{\"contact\":{{\"isActive\":true,\"phone\":\"99999999\"}}", ParameterType.RequestBody);

IRestResponse response = await client.ExecuteAsync(request);
// Console.WriteLine(response.Content);
// var res = response.Content;

How can I convert it to HttpClient using best practices?

It is not a http client , please fix the title

Serge
– Serge

2021-12-27 18:25:49 +00:00
Commented Dec 27, 2021 at 18:25 — Serge
– Serge, Commented Dec 27, 2021 at 18:25

sa-es-ir · Accepted Answer · 2022-01-14 17:46:39Z

2

You can use this:

var client = new HttpClient()
{
    BaseAddress = new Uri("https://example.com"),
    Timeout = TimeSpan.FromMinutes(5) //default is 90 seconds
};

client.DefaultRequestHeaders.Add("Authorization", "Bearer token...");
var body = new StringContent("{{\"post\":{{\"contact\":{{\"isActive\":true,\"phone\":\"99999999\"}}",Encoding.UTF8, "text/plain");

var response = await client.PostAsync("api", body);

var responseString = await response.Content.ReadAsStringAsync();

And for using the HttpClient in the right way I highly recommend to see this link.

edited Jan 14, 2022 at 17:46

answered Dec 27, 2021 at 19:33

sa-es-ir

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2 Comments

Alexey Zimarev Over a year ago

I would recommend specifying the content type in the StringContent constructor rather than adding it as a header.

sa-es-ir Over a year ago

Yes you are right answer updated.

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