System.Net.Http.Json 10.0.0-preview.3.25171.5

About

Provides extension methods for System.Net.Http.HttpClient and System.Net.Http.HttpContent that facilitate serialization and deserialization of HTTP requests using System.Text.Json.

Key Features

  • Extension methods for deserializing HTTP response JSON bodies.
  • Extension methods for serializing HTTP request JSON bodies.
  • Extension methods for deserializing JSON from HttpContent instances.

How to Use

using System.Net.Http.Json;

using var client = new HttpClient();

// Get the list of all books
Book[] books = await client.GetFromJsonAsync<Book[]>("https://api.contoso.com/books");

// Send a POST request to add a new book
var book = new Book(id: 42, "Title", "Author", publishedYear: 2023);
HttpResponseMessage response = await client.PostAsJsonAsync($"https://api.contoso.com/books/{book.id}", book);

if (response.IsSuccessStatusCode)
    Console.WriteLine("Book added successfully.");
else
    Console.WriteLine($"HTTP request failed with status code: {response.StatusCode}");

public record Book(int id, string title, string author, int publishedYear);

Main Types

The main types provided by this library are:

  • HttpClientJsonExtensions
  • HttpContentJsonExtensions

Additional Documentation

Feedback & Contributing

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

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.NET Framework 4.6.2

.NET Standard 2.0

.NET 10.0

  • No dependencies.

.NET 8.0

.NET 9.0

Version Downloads Last updated
10.0.0-preview.3.25171.5 5 04/12/2025
10.0.0-preview.2.25163.2 3 03/23/2025
10.0.0-preview.1.25080.5 5 03/14/2025
9.0.4 3 04/12/2025
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9.0.1 6 01/22/2025
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9.0.0-rc.2.24473.5 13 10/14/2024
9.0.0-rc.1.24431.7 17 09/12/2024
9.0.0-preview.7.24405.7 14 08/14/2024
9.0.0-preview.6.24327.7 19 07/10/2024
9.0.0-preview.5.24306.7 16 06/14/2024
9.0.0-preview.4.24266.19 17 05/24/2024
9.0.0-preview.3.24172.9 23 04/24/2024
9.0.0-preview.2.24128.5 22 03/14/2024
9.0.0-preview.1.24080.9 20 03/14/2024
8.0.1 14 10/14/2024
8.0.0 22 11/15/2023
8.0.0-rc.2.23479.6 16 10/20/2023
8.0.0-rc.1.23419.4 26 09/15/2023
8.0.0-preview.7.23375.6 24 09/21/2023
8.0.0-preview.6.23329.7 28 09/21/2023
8.0.0-preview.5.23280.8 23 06/14/2023
8.0.0-preview.4.23259.5 26 05/19/2023
8.0.0-preview.3.23174.8 73 04/14/2023
8.0.0-preview.2.23128.3 40 04/01/2023
8.0.0-preview.1.23110.8 89 03/06/2023
7.0.1 34 03/29/2023
7.0.0 39 12/02/2022
7.0.0-rc.2.22472.3 50 10/13/2022
7.0.0-rc.1.22426.10 102 09/23/2022
7.0.0-preview.7.22375.6 77 08/13/2022
7.0.0-preview.6.22324.4 75 09/11/2022
7.0.0-preview.5.22301.12 52 09/11/2022
7.0.0-preview.4.22229.4 59 09/11/2022
7.0.0-preview.3.22175.4 68 09/11/2022
7.0.0-preview.2.22152.2 126 09/11/2022
7.0.0-preview.1.22076.8 92 09/11/2022
6.0.2 13 11/24/2024
6.0.2-mauipre.1.22102.15 38 09/11/2022
6.0.2-mauipre.1.22054.8 96 09/23/2022
6.0.1 46 04/05/2023
6.0.0 33,801 06/27/2022
6.0.0-rc.2.21480.5 30 09/11/2022
6.0.0-rc.1.21451.13 95 09/11/2022
6.0.0-preview.7.21377.19 33 09/11/2022
6.0.0-preview.6.21352.12 41 09/11/2022
6.0.0-preview.5.21301.5 35 09/11/2022
6.0.0-preview.4.21253.7 61 09/11/2022
6.0.0-preview.3.21201.4 56 09/11/2022
6.0.0-preview.2.21154.6 84 09/11/2022
6.0.0-preview.1.21102.12 89 09/11/2022
5.0.0 106 09/11/2022
5.0.0-rc.2.20475.5 32 09/11/2022
5.0.0-rc.1.20451.14 48 09/11/2022
5.0.0-preview.8.20407.11 55 09/11/2022
5.0.0-preview.7.20364.11 106 09/11/2022
5.0.0-preview.6.20305.6 63 09/11/2022
5.0.0-preview.5.20278.1 21 09/11/2022
5.0.0-preview.4.20251.6 98 09/11/2022
5.0.0-preview.3.20214.6 90 09/11/2022
3.2.1 41 09/09/2022
3.2.0 88 09/07/2022
3.2.0-rc1.20217.1 70 09/12/2022
3.2.0-preview5.20210.3 61 09/11/2022
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