ValuesController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
namespace Skeleton.WebAPI.Controllers
{
   // [Authorize]
    public class ValuesController : ApiController
    {
        private static List<string> values = new List<string>();
        // GET api/values
        public IEnumerable<string> Get()
        {
            return values;
        }
        // GET api/values/5
        public string Get(int index)
        {
            return values.ElementAtOrDefault(index);
        }
        // POST api/values
        public void Post([FromBody]string value)
        {
            values.Add(value);
        }
        // PUT api/values/5
        public void Put(int index, [FromBody]string value)
        {
            if (values.Count > index) values[index] = value;
            else Post(value);
        }
        // DELETE api/values/5
        public void Delete(int index)
        {
            if (values.Count > index) values.RemoveAt(index);
        }
    }
}