diff --git a/AIParkingApplication/AIParkingApplication.csproj b/AIParkingApplication/AIParkingApplication.csproj
index 94dbfc7..b892ded 100644
--- a/AIParkingApplication/AIParkingApplication.csproj
+++ b/AIParkingApplication/AIParkingApplication.csproj
@@ -76,6 +76,7 @@
     <Compile Include="AIParkingApplicationForm.Designer.cs">
       <DependentUpon>AIParkingApplicationForm.cs</DependentUpon>
     </Compile>
+    <Compile Include="ApiController.cs" />
     <Compile Include="AppConstant.cs" />
     <Compile Include="C3DeviceController.cs" />
     <Compile Include="Camera.cs" />
diff --git a/AIParkingApplication/ApiController.cs b/AIParkingApplication/ApiController.cs
new file mode 100644
index 0000000..b3eb64a
--- /dev/null
+++ b/AIParkingApplication/ApiController.cs
@@ -0,0 +1,180 @@
+using System;
+using System.Net.Http;
+using System.Threading.Tasks;
+using OpenCvSharp;
+using Newtonsoft.Json;
+
+namespace AIParkingApplication
+{
+    public class ApiController : IDisposable
+    {
+        private HttpClient httpClient;
+        private bool isHttpClientDisposabled;
+        private int numberOfRetry;
+        private ApiPath apiPath;
+
+        public ApiController(string baseAddress, int numberOfRetry = 5)
+        {
+            httpClient = new HttpClient
+            {
+                BaseAddress = new Uri(baseAddress),
+                Timeout = TimeSpan.FromSeconds(5)
+            };
+            isHttpClientDisposabled = false;
+            this.numberOfRetry = numberOfRetry;
+        }
+
+        ~ApiController()
+        {
+            Dispose();
+        }
+
+        //TODO Old API
+        public async Task<LoginResponseModel> Login(LoginModel loginData)
+        {
+            try
+            {
+                HttpResponseMessage response = await httpClient.PostAsJsonAsync("/api/login", loginData);
+                response.EnsureSuccessStatusCode();
+                var loginResult = await response.Content.ReadAsAsync<LoginResponseModel>();
+                return loginResult;
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"SendEngineRequest : {ex.Message}");
+                return new LoginResponseModel
+                {
+                    IsLoggedIn = false
+                };
+            }
+        }
+
+        //TODO For New API
+        //public async Task<LoginResponseModel> Login(LoginModel loginData)
+        //{
+        //    try
+        //    {
+        //        HttpResponseMessage response = await httpClient.PostAsJsonAsync("/api/login", loginData);
+        //        response.EnsureSuccessStatusCode();
+        //        var loginResult = await response.Content.ReadAsAsync<LoginResponseModel>();
+        //        return loginResult;
+        //    }
+        //    catch (Exception ex)
+        //    {
+        //        Console.WriteLine($"SendEngineRequest : {ex.Message}");
+        //        return new LoginResponseModel
+        //        {
+        //            IsLoggedIn = false
+        //        };
+        //    }
+        //}
+
+        public async void GetApiPathFromServer()
+        {
+            try
+            {
+                var request = new PlateRequestEngineModel
+                {
+                };
+                HttpResponseMessage response = await httpClient.PostAsJsonAsync("/get-from-frame", request);
+                response.EnsureSuccessStatusCode();
+                var ocrResult = await response.Content.ReadAsAsync<OcrResult>();
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"SendEngineRequest : {ex.Message}");
+            }
+        }
+
+        public async Task<OcrResult> SaveLogIn(Mat plateImage, PlateType plateType)
+        {
+            string plateImageBase64 = Convert.ToBase64String(plateImage.ToBytes());
+            try
+            {
+                var request = new PlateRequestEngineModel
+                {
+                    Img64 = plateImageBase64,
+                    Mode = plateType == PlateType.Square ? "square" : "long",
+                    Display = "full"
+                };
+                HttpResponseMessage response = await httpClient.PostAsJsonAsync("/get-from-frame", request);
+                response.EnsureSuccessStatusCode();
+                var ocrResult = await response.Content.ReadAsAsync<OcrResult>();
+                return ocrResult;
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"SendEngineRequest : {ex.Message}");
+                return new OcrResult();
+            }
+        }
+
+        public void Dispose()
+        {
+            if (httpClient != null && !isHttpClientDisposabled)
+            {
+                isHttpClientDisposabled = true;
+                httpClient.Dispose();
+            }
+        }
+    }
+
+    public class ApiPath
+    {
+        [JsonProperty("savelogsin")] //wtf is this from server.
+        public string SaveVehicleIn { get; set; }
+    }
+
+    public class LoginModel
+    {
+        [JsonProperty("username")]
+        public string Username { get; set; }
+
+        [JsonProperty("password")]
+        public string Password { get; set; }
+    }
+
+    public class LoginResponseOldModel
+    {
+
+    }
+
+    public class LoginResponseModel
+    {
+        [JsonProperty("")]
+        public bool IsLoggedIn { get; set; }
+    }
+
+    public class PlateLogModel
+    {
+        [JsonProperty("card")]
+        public string CardID { get; set; }
+
+        [JsonProperty("plate")]
+        public string PlateString { get; set; }
+
+        [JsonProperty("type")]
+        public string LaneType { get; set; }
+
+        [JsonProperty("mod")]
+        public string PlateMode { get; set; }    //0 or 1
+
+        [JsonProperty("camera")]
+        public string CameraID { get; set; }
+
+        [JsonProperty("time")]
+        public string Time { get; set; }
+
+        [JsonProperty("plateImage")]
+        public string PlateImageBase64 { get; set; }
+
+        [JsonProperty("plateResultImage")]
+        public string PlateResultImageBase64 { get; set; }
+
+        [JsonProperty("plateFrameImage")]
+        public string PlateFrameImageBase64 { get; set; }
+
+        [JsonProperty("frameImage")]
+        public string FrameImageBase64 { get; set; }
+    }
+}