How can I implement API versioning in ASP.NET Core using headers?

How can I implement API versioning in ASP.NET Core using headers?

You can implement API versioning in ASP.NET Core by using the Microsoft.AspNetCore.Mvc.Versioning package. First, install the package via NuGet. Then, in your Startup.cs, configure the services to use API versioning with headers.

What do I need to add to the Startup.cs file?

In the ConfigureServices method, add services.AddApiVersioning(options => { options.ApiVersionReader = new HeaderApiVersionReader("api-version"); }); This sets up the API versioning to read from the request headers.

How do I specify the version in my controller?

You can specify the version in your controller by using the [ApiVersion] attribute. For example, [ApiVersion("1.0")] above your controller class.

Can I have multiple versions of the same endpoint?

Yes, you can have multiple versions of the same endpoint by creating separate action methods for each version and decorating them with the appropriate [HttpGet] and [ApiVersion] attributes.