Simple Web API

ApplicationUsersController.cs

[Produces("application/json")]
[Route("api/ApplicationUsers")]
public class ApplicationUsersController : Controller
{
    private readonly ApplicationDbContext _context;

    public ApplicationUsersController(ApplicationDbContext context)
    {
        _context = context;
    }

    // GET: api/ApplicationUsers/5
    [HttpGet("{id}")]
    public async Task<IActionResult> GetApplicationUser([FromRoute] string id)
    {
        var applicationUser = await _context.Users.SingleOrDefaultAsync(m => m.Id == id);

        if (applicationUser == null)
        {
            return NotFound();
        }

        return Ok(applicationUser);
    }
}