FromHeaderParamsController.cs

using Microsoft.AspNetCore.Mvc;

namespace Basic.Controllers
{
    [Produces("application/json")]
    public class FromHeaderParamsController
    {
        [HttpGet("country/validate")]
        public IActionResult Get(
            [FromHeader]string accept,
            [FromHeader(Name = "Content-Type")] string contentType,
            [FromHeader] string authorization,
            [FromQuery] string country)
        {
            return new NoContentResult();
        }
    }
}