What Is The Swagger In .NET MVC

Swagger is a tool for creating, using, and documenting RESTful APIs. Swagger can be used with.NET MVC (Model-View-Controller) to provide interactive API documentation and automatically create client libraries in a number of programming languages. This documentation makes it simpler for developers to use and comprehend your API by giving a clear and brief description of its endpoints, request/response formats, status codes, and security requirements. Swagger also has a user-friendly UI that enables you to test your API endpoints right from the documentation. The Swashbuckle NuGet package, which offers a collection of middleware components to produce the Swagger documentation and UI, may be used to integrate Swagger into a.NET MVC application.

Using Swagger in a.NET MVC application is illustrated simply in the following example:

  1. In your.NET MVC project, instal the Swashbuckle NuGet package.
  2. Add the following code to the Startup class to setup Swagger:
  • Add the Swagger generating service to the list of services:
services.AddSwaggerGen(c =>
   c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });
  • Utilize the Swagger middleware in the request pipeline:
app.UseSwaggerUI(c =>
   c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");

3.Your API activities should be annotated with Swagger attributes to offer more details like anticipated request/response formats and endpoint descriptions:

[SwaggerOperation(Summary = "Get a list of values",
                  Description = "This API action returns a list of sample values")]
[SwaggerResponse(200, Type = typeof(IEnumerable<string>))]
public IActionResult Get()
   return Ok(new string[] { "value1", "value2" });

4.Run your.NET MVC application, then use your browser to go to /swagger to interact with your API documentation and observe the Swagger UI.

This is a simple example to get you started with Swagger in.NET MVC. If more sophisticated annotations and customizations are required for your particular API, you may add them to your Swagger setup.



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