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Aryan Kumar

Aryan Kumar

29-Aug-2023

The ApiController attribute in .NET Core is used to mark a class as an API controller. API controllers are classes that handle HTTP requests and responses. They are used to create RESTful APIs.

The ApiController attribute has the following properties:

  • RoutePrefix: The route prefix for the controller. This is the part of the URL that will be used to access the controller.
  • ApiVersion: The API version for the controller. This is used to indicate the version of the API that the controller supports.
  • AllowAnonymous: Whether or not anonymous users are allowed to access the controller.

The following is an example of a class that is marked with the ApiController attribute:

C#

[ApiController]
[RoutePrefix("/products")]
public class ProductController : ControllerBase {

  // ...
}

This class is an API controller that can be accessed at the /products endpoint. Anonymous users are allowed to access this controller.

Here are some additional tips for using the ApiController attribute:

  • Use the ApiController attribute on all classes that are API controllers. This will help to ensure that your code is organized and easy to maintain.
  • Use the RoutePrefix property to specify the route prefix for each controller. This will help to keep your URLs organized and easy to understand.
  • Use the ApiVersion property to specify the API version for each controller. This will help to ensure that your API is backward compatible.
  • Use the AllowAnonymous property to control whether or not anonymous users are allowed to access each controller.
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