HttpWebRequest Class

System.Net.HttpWebRequest provides an HTTP-specific implementation of the WebRequest class.

Overview

Members

Example

Namespace

System.Net

Assembly

System.Net.Requests.dll

Inheritance

Object → WebRequest → HttpWebRequest

Implemented Interfaces

None

Properties

Name	Type	Description
Method	`string`	HTTP method (GET, POST, etc.)
RequestUri	`Uri`	Target URI of the request
Headers	`WebHeaderCollection`	Collection of HTTP headers
ContentType	`string`	MIME type of request body
ContentLength	`long`	Length of request body in bytes
Timeout	`int`	Timeout in milliseconds

Methods

Name	Return Type	Description
GetResponse()	`WebResponse`	Sends the request and returns the response
BeginGetResponse	`IAsyncResult`	Begins an asynchronous request
EndGetResponse	`WebResponse`	Ends an asynchronous request
GetRequestStream()	`Stream`	Gets a stream for writing request body

Simple GET request

// Using System;
// Using System.Net;
// Using System.IO;

var request = (HttpWebRequest)WebRequest.Create("https://api.example.com/data");
request.Method = "GET";
request.Accept = "application/json";

using var response = (HttpWebResponse)request.GetResponse();
using var stream = new StreamReader(response.GetResponseStream());
string result = stream.ReadToEnd();

Console.WriteLine(result);

POST request with JSON payload

var url = "https://api.example.com/submit";
var json = "{\"name\":\"John\",\"age\":30}";

var request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/json";
request.ContentLength = System.Text.Encoding.UTF8.GetByteCount(json);

using (var writer = new StreamWriter(request.GetRequestStream()))
{
    writer.Write(json);
}

using var response = (HttpWebResponse)request.GetResponse();
Console.WriteLine($"Status: {response.StatusCode}");