Startup.cs

namespace API;

public class Startup
{
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddControllers();

        services.AddAuthentication("Bearer")
            .AddJwtBearer("Bearer", options =>
            {
                options.Audience = "api1";
                options.Authority = "https://localhost:5000";
            });
    }

    public void Configure(IApplicationBuilder app)
    {
        app.UseDeveloperExceptionPage();
        app.UseHttpsRedirection();

        app.UseRouting();

        app.UseAuthentication();
        app.UseAuthorization();

        app.UseEndpoints(endpoints => endpoints.MapDefaultControllerRoute());
    }
}