Notes/Controllers/ApiController.cs

using Microsoft.AspNetCore.Mvc;
using BinaryDad.Notes.Services;

namespace BinaryDad.Notes.Controllers
{
    [ApiController]
    public class ApiController : ControllerBase
    {
        private readonly INoteService noteService;

        public ApiController(INoteService noteService) => this.noteService = noteService;

        [Route("note/{noteName}")]
        public string Note(string noteName) => noteService.GetNote(noteName);
    }
}