Microsoft.AspNetCore.OpenApi 9.0.0

Prefix Reserved
dotnet add package Microsoft.AspNetCore.OpenApi --version 9.0.0                
NuGet\Install-Package Microsoft.AspNetCore.OpenApi -Version 9.0.0                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.0" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Microsoft.AspNetCore.OpenApi --version 9.0.0                
#r "nuget: Microsoft.AspNetCore.OpenApi, 9.0.0"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Microsoft.AspNetCore.OpenApi as a Cake Addin
#addin nuget:?package=Microsoft.AspNetCore.OpenApi&version=9.0.0

// Install Microsoft.AspNetCore.OpenApi as a Cake Tool
#tool nuget:?package=Microsoft.AspNetCore.OpenApi&version=9.0.0                

About

Microsoft.AspNetCore.OpenApi is a NuGet package that provides built-in support for generating OpenAPI documents from minimal or controller-based APIs in ASP.NET Core.

Key Features

  • Supports viewing generated OpenAPI documents at runtime via a parameterized endpoint (/openapi/{documentName}.json)
  • Supports generating an OpenAPI document at build-time
  • Supports customizing the generated document via document transformers

How to Use

To start using Microsoft.AspNetCore.OpenApi in your ASP.NET Core application, follow these steps:

Installation

dotnet add package Microsoft.AspNetCore.OpenApi

Configuration

In your Program.cs file, register the services provided by this package in the DI container and map the provided OpenAPI document endpoint in the application.

var builder = WebApplication.CreateBuilder();

// Registers the required services
builder.Services.AddOpenApi();

var app = builder.Build();

// Adds the /openapi/{documentName}.json endpoint to the application
app.MapOpenApi();

app.Run();

For more information on configuring and using Microsoft.AspNetCore.OpenApi, refer to the official documentation.

Main Types

The main types provided by this library are:

  • OpenApiOptions: Options for configuring OpenAPI document generation.
  • IDocumentTransformer: Transformer that modifies the OpenAPI document generated by the library.

Feedback & Contributing

Microsoft.AspNetCore.OpenApi is released as open-source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Product Compatible and additional computed target framework versions.
.NET net9.0 is compatible. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (338)

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Package Downloads
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Package Description

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GitHub repositories (127)

Showing the top 5 popular GitHub repositories that depend on Microsoft.AspNetCore.OpenApi:

Repository Stars
jasontaylordev/CleanArchitecture
Clean Architecture Solution Template for ASP.NET Core
dotnet/AspNetCore.Docs
Documentation for ASP.NET Core
dodyg/practical-aspnetcore
Practical samples of ASP.NET Core 9, 8.0, 7.0, 6.0, 5.0, 3.1, 2.2, and 2.1,projects you can use. Readme contains explanations on all projects.
RicoSuter/NSwag
The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.
dotnet/eShop
A reference .NET application implementing an eCommerce site
Version Downloads Last updated
9.0.0 126,854 11/12/2024
9.0.0-rc.2.24474.3 35,714 10/8/2024
9.0.0-rc.1.24452.1 23,201 9/10/2024
9.0.0-preview.7.24406.2 10,194 8/13/2024
9.0.0-preview.6.24328.4 8,122 7/9/2024
9.0.0-preview.5.24306.11 9,851 6/11/2024
9.0.0-preview.4.24267.6 3,902 5/21/2024
9.0.0-preview.3.24172.13 10,245 4/11/2024
9.0.0-preview.2.24128.4 4,979 3/12/2024
9.0.0-preview.1.24081.5 2,489 2/13/2024
8.0.11 98,222 11/12/2024
8.0.10 1,300,061 10/8/2024
8.0.8 2,200,376 8/13/2024
8.0.7 1,922,214 7/9/2024
8.0.6 2,808,305 5/28/2024
8.0.5 954,865 5/14/2024
8.0.4 2,097,406 4/9/2024
8.0.3 2,223,368 3/12/2024
8.0.2 2,074,556 2/13/2024
8.0.1 2,392,200 1/9/2024
8.0.0 4,243,626 11/14/2023
8.0.0-rc.2.23480.2 94,566 10/10/2023
8.0.0-rc.1.23421.29 47,077 9/12/2023
8.0.0-preview.7.23375.9 55,486 8/8/2023
8.0.0-preview.6.23329.11 37,585 7/11/2023
8.0.0-preview.5.23302.2 15,103 6/13/2023
8.0.0-preview.4.23260.4 92,355 5/16/2023
8.0.0-preview.3.23177.8 13,400 4/11/2023
8.0.0-preview.2.23153.2 7,809 3/14/2023
8.0.0-preview.1.23112.2 4,996 2/21/2023
7.0.20 138,038 5/28/2024
7.0.19 66,670 5/14/2024
7.0.18 124,029 4/9/2024
7.0.17 125,468 3/12/2024
7.0.16 192,005 2/13/2024
7.0.15 297,487 1/9/2024
7.0.14 629,675 11/14/2023
7.0.13 1,149,610 10/24/2023
7.0.12 849,419 10/10/2023
7.0.11 1,324,450 9/12/2023
7.0.10 1,760,360 8/8/2023
7.0.9 1,516,796 7/11/2023
7.0.8 685,828 6/22/2023
7.0.7 966,977 6/13/2023
7.0.5 3,169,030 4/11/2023
7.0.4 1,360,672 3/14/2023
7.0.3 1,597,287 2/14/2023
7.0.2 1,448,810 1/10/2023
7.0.1 965,451 12/13/2022
7.0.0 1,566,748 11/7/2022
7.0.0-rc.2.22476.2 26,334 10/11/2022
7.0.0-rc.1.22427.2 23,619 9/14/2022
7.0.0-preview.7.22376.6 10,588 8/9/2022
7.0.0-preview.6.22330.3 7,733 7/12/2022
7.0.0-preview.5.22303.8 9,090 6/14/2022
7.0.0-preview.4.22251.1 6,843 5/10/2022