System.Net.Http.WinHttpHandler 10.0.0-preview.6.25358.103

About

This package provides an HttpMessageHandler implementation backed by Windows HTTP Services (WinHTTP). While the use of the default HttpClientHandler is highly recommended for applications targeting modern .NET, WinHttpHandler might help migration scenarios by providing an alternative HTTP backend for Windows that works consistently accross .NET Framework and modern .NET.

Key Features

  • Enables sending asynchronous HTTP requests with HttpClient on Windows.
  • Handles authentication and credentials.
  • Exposes a subset of WinHTTP options as C# properties on WinHttpHandler.
  • Use custom proxy.
  • Handle cookies.

How to Use

using System.Net;

using WinHttpHandler handler = new()
{
    ServerCredentials = new NetworkCredential("usr", "pwd")
};

using HttpClient client = new(handler);
using HttpRequestMessage request = new(HttpMethod.Get, "https://httpbin.org/basic-auth/usr/pwd");
using HttpResponseMessage response = await client.SendAsync(request);

Console.WriteLine($"Status: {response.StatusCode}");
if (response.IsSuccessStatusCode)
{
    string content = await response.Content.ReadAsStringAsync();
    Console.WriteLine(content);
}

Main Types

The main types provided by this library are:

  • System.Net.Http.WinHttpHandler

Additional Documentation

Feedback & Contributing

System.Net.Http.WinHttpHandler is released as open source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

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Internal implementation package not meant for direct consumption. Please do not reference directly. Provides implementation of System.ServiceModel packages. d9c5ced40255187abfb8f939e83033d15124a2cf When using NuGet 3.x this package requires at least version 3.4.
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Internal implementation package not meant for direct consumption. Please do not reference directly. Provides implementation of System.ServiceModel packages. ef12c524d29edfd2f5db96cf1ac60b2372986790 When using NuGet 3.x this package requires at least version 3.4.
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Internal implementation package not meant for direct consumption. Please do not reference directly. Provides implementation of System.ServiceModel packages. \r\n TFS ID: 1599443, GitHub SHA: https://github.com/dotnet/corefx/tree/eede273a4dfabcea608621f5e1bbf8ad00584cfb
72

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.NET Framework 4.6.2

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Version Downloads Last updated
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10.0.0-rc.1.25451.107 13 09/21/2025
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10.0.0-preview.5.25277.114 8 09/21/2025
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9.0.0-rc.2.24473.5 22 10/14/2024
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9.0.0-preview.7.24405.7 31 08/14/2024
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8.0.0-rc.2.23479.6 40 10/19/2023
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8.0.0-preview.7.23375.6 42 08/31/2023
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8.0.0-preview.1.23110.8 66 03/06/2023
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7.0.0-preview.6.22324.4 98 12/10/2022
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7.0.0-preview.4.22229.4 48 09/24/2022
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6.0.0-preview.1.21102.12 125 12/10/2022
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5.0.0-rc.2.20475.5 46 12/19/2022
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5.0.0-preview.8.20407.11 129 09/25/2022
5.0.0-preview.7.20364.11 50 09/21/2022
5.0.0-preview.6.20305.6 100 09/22/2022
5.0.0-preview.5.20278.1 69 09/24/2022
5.0.0-preview.4.20251.6 54 09/24/2022
5.0.0-preview.3.20214.6 122 09/22/2022
5.0.0-preview.2.20160.6 78 09/26/2022
5.0.0-preview.1.20120.5 119 09/23/2022
4.7.2 58 09/21/2022
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4.7.0-preview3.19551.4 108 09/22/2022
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4.6.0-preview8.19405.3 73 09/26/2022
4.6.0-preview7.19362.9 110 09/24/2022
4.6.0-preview6.19303.8 82 09/24/2022
4.6.0-preview6.19264.9 87 10/13/2022
4.6.0-preview5.19224.8 51 09/23/2022
4.6.0-preview4.19212.13 125 09/23/2022
4.6.0-preview3.19128.7 83 10/13/2022
4.6.0-preview.19073.11 100 09/23/2022
4.6.0-preview.18571.3 63 10/13/2022
4.5.4 75 09/24/2022
4.5.3 111 09/24/2022
4.5.2 54 09/22/2022
4.5.2-servicing-27114-05 107 09/21/2022
4.5.1 115 09/22/2022
4.5.0 118 10/13/2022
4.5.0-rc1 49 09/23/2022
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4.5.0-preview1-26216-02 57 10/13/2022
4.4.0 58 09/26/2022
4.4.0-preview2-25405-01 77 10/13/2022
4.4.0-preview1-25305-02 111 09/21/2022
4.3.3 73 09/21/2022
4.3.2 118 09/23/2022
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4.3.0-preview1-24530-04 36 10/13/2022
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4.0.1 78 10/13/2022
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