Value cannot be null. Parameter name: entity USING HTTPPOST METHODE

Question

Hello when i use Post methode using Web API i was not able to add it to database. I used Jquery to call api POST METHODE
While using postman i was able to post some data to database. I guess the problem in the view or in the Jquery. Any help please

MVC CONTROLLER

        public ActionResult New(Customers customers)
    {
       
        return View(customers);
    }

API CONTROLLER FOR POST

        [HttpPost]
    public IHttpActionResult CreateCustomer(Customers CustomerDTO)
    {
        if (!ModelState.IsValid)
        {
            return BadRequest();
        }
      
        _context.Customerss.Add(CustomerDTO);
        _context.SaveChanges();

        return Created(new Uri(Request.RequestUri + "/" + CustomerDTO.Id), CustomerDTO);

    }

VIEW

    @model API.Models.Customers


@{
    ViewBag.Title = "New";
    Layout = "~/Views/Shared/_Layout.cshtml";
}

<h2>New Form</h2>

<div id="container">
    <form>
        <div class="form-group" id="NameGroup">
            @Html.LabelFor(m => m.Name)
            @Html.TextBoxFor(m => m.Name, new { @class = "form-control", id = "Name" })
        </div>
        <button type="submit" class="btn btn-primary js-Add">Save</button>
    </form>
</div>


@section scripts {

    <script type="text/javascript">
        $(document).ready(function () {
            
            $("#container .js-Add").on("click", function (e) {
                e.preventDefault();

                if (confirm("Are you sure you want to ADD this customer?")) {

                    var input = $("Name").val();

                    $.ajax({
                        url: "../api/Customer",
                        type: "POST",
                        data: JSON.stringify(input),
                        contentType: "application/json; charset=utf-8",
                        dataType: "json",
                        success: function (response) {
                            alert('HELLO' + response.Name);
                        }
                    });
                }
            });
        });
    </script>
}

CLASS CUSTOMER

    public class Customers
{
    public int Id { get; set; }

    [Required]
    public string Name { get; set; }
}

ANY HELP PLEASE OR ANY ADVISE THANK YOU!!