Accessing http headers in .NET Core 3.0 Api

Question

Inject IHttpContextAccessor through constructor.

       private readonly IHttpContextAccessor _httpContextAccessor;
       public Handler(IHttpContextAccessor httpContextAccessor) 
            {
                _userManager = userManager;
                _httpContextAccessor = httpContextAccessor;
            }  

Answer 1

//access header values.
var header = _httpContextAccessor.HttpContext.Request.Headers["Authorization"];