diff --git a/App.razor.cs b/App.razor.cs
index 9e6d168..71af80f 100644
--- a/App.razor.cs
+++ b/App.razor.cs
@@ -3,35 +3,40 @@ using System.Net.Http.Json;
 using Microsoft.AspNetCore.Components;
 using Microsoft.JSInterop;
 
+using Front.Program.Models;
+using Front.Program.Services;
+
 namespace Front;
 
 public partial class App : ComponentBase
 {
-    [Inject] HttpClient Http { get; set; } = default!;
-    [Inject] IJSRuntime JS { get; set; } = default!;
+    // [Inject] private HttpClient Http { get; set; } = default;
+    [Inject] private APIService API { get; set; } = default!;
+    [Inject] private CookieService Cookie { get; set; } = default!;
+    
     
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         if (firstRender)
         {
-            // Web_AM_Connect_Key 쿠키를 가져오는 JavaScript 함수를 호출합니다.
-            var header = await JS.InvokeAsync<string>("blazorGetCookie", "Web_AM_Connect_Key");
+            var cookie = await Cookie.GetCookieAsync("Web_AM_Connect_Key");
 
             // 값 없으면 API 호출
-            if (string.IsNullOrEmpty(header))
+            if (string.IsNullOrEmpty(cookie))
             {
-                var response = await Http.GetFromJsonAsync<ApiResult>("/api/v1/in/app?type=W&specific=Web_Connect&project=AcaMate");
-                Console.WriteLine($"COOKIE: {response.header}");
-                if (!string.IsNullOrEmpty(response?.header))
+                var response = await API.GetJsonAsync<APIHeader, AppHeader>(
+                    "/api/v1/in/app",
+                    new AppHeader() 
+                    {
+                        type = "W",
+                        specific = "Web_Connect",
+                        project = "AcaMate"
+                    });
+                if (!string.IsNullOrEmpty(response.data.header))
                 {
-                    Console.WriteLine($"NO?");
-                    await JS.InvokeVoidAsync("blazorSetCookie", "Web_AM_Connect_Key", response.header, 1);
+                    await Cookie.SetCookieAsync("Web_AM_Connect_Key", response.data.header);
                 }
             }
         }
     }
-    public class ApiResult
-    {
-        public string header { get; set; }
-    }
 }
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
index 439c3b7..1b19831 100644
--- a/Program.cs
+++ b/Program.cs
@@ -25,5 +25,6 @@ builder.Services.AddScoped(sp => //new HttpClient
 
 // SCOPED 으로 등록된 서비스는 DI 컨테이너에 등록된 서비스의 인스턴스를 사용합니다.
 builder.Services.AddScoped<APIService>();
+builder.Services.AddScoped<CookieService>();
 
 await builder.Build().RunAsync();
diff --git a/Program/Models/APIResponse.cs b/Program/Models/APIResponse.cs
new file mode 100644
index 0000000..316e1f9
--- /dev/null
+++ b/Program/Models/APIResponse.cs
@@ -0,0 +1,32 @@
+using System.Text.Json;
+
+namespace Front.Program.Models
+{
+    public class APIResponseStatus<T>
+    {
+        public Status status { get; set; }
+        public T? data { get; set; }
+    
+        public string JsonToString()
+        {
+            return JsonSerializer.Serialize(this);
+        }
+    }
+
+    public class Status
+    {
+        public string code { get; set; }
+        public string message { get; set; }
+
+    }
+
+    public class AppHeader
+    {
+        public string type { get; set; }
+        public string specific { get; set; }
+        public string project { get; set; }
+    }
+    
+    
+    
+}
\ No newline at end of file
diff --git a/Program/Models/AppModel.cs b/Program/Models/AppModel.cs
new file mode 100644
index 0000000..7a68a63
--- /dev/null
+++ b/Program/Models/AppModel.cs
@@ -0,0 +1,6 @@
+namespace Front.Program.Models;
+
+public class APIHeader
+{
+    public string header { get; set; } = string.Empty;
+}
\ No newline at end of file
diff --git a/Program/Services/APIService.cs b/Program/Services/APIService.cs
index 4b4952d..51f3845 100644
--- a/Program/Services/APIService.cs
+++ b/Program/Services/APIService.cs
@@ -1,12 +1,31 @@
+using System.Net.Http.Json;
+using Front.Program.Models;
+
 namespace Front.Program.Services;
 
 public class APIService
 {
     private readonly HttpClient _http;
+    
 
     public APIService(HttpClient http)
     {
         _http = http;
     }
+
     
+    private string ChangeToString<T>(T data)
+    {
+        if (data == null) return string.Empty;
+        var properties = typeof(T).GetProperties();
+        var value = properties.Select(p => $"{p.Name}={p.GetValue(data)}");
+        return string.Join("&", value);
+    }
+    
+    public async Task<APIResponseStatus<TResponse>?> GetJsonAsync<TResponse,TRequest>(string url, TRequest value)
+    {
+        string parameter = ChangeToString(value);
+        var response = await _http.GetFromJsonAsync<APIResponseStatus<TResponse>>($"{url}?{parameter}");
+        return response;
+    }
 }
\ No newline at end of file
diff --git a/Program/Services/CookieService.cs b/Program/Services/CookieService.cs
new file mode 100644
index 0000000..ecd419c
--- /dev/null
+++ b/Program/Services/CookieService.cs
@@ -0,0 +1,24 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
+
+namespace Front.Program.Services;
+
+public class CookieService
+{
+    private readonly IJSRuntime _js;
+
+    public CookieService(IJSRuntime js)
+    {
+        _js = js;
+    }
+    
+    public async Task SetCookieAsync(string key, string value)
+    {
+        await _js.InvokeVoidAsync("setCookie", key, value, 1);
+    }
+    
+    public async Task<string?> GetCookieAsync(string key)
+    {
+        return await _js.InvokeAsync<string>("getCookie", key);
+    }
+}
\ No newline at end of file
diff --git a/wwwroot/index.html b/wwwroot/index.html
index 6dcc12c..e794aae 100644
--- a/wwwroot/index.html
+++ b/wwwroot/index.html
@@ -34,6 +34,7 @@
 
 <!-- Blazor WASM 로딩 스크립트 -->
 <script src="_framework/blazor.webassembly.js" autostart="false"></script>
+
 <script>
   const MIN_LOADING_MS = 2700;
   const loadingStart = performance.now();
@@ -49,14 +50,13 @@
     console.error("❌ Blazor 로딩 실패", err);
   });
 </script>
+
 <script>
-  window.blazorGetCookie = function (name) {
-    alert("blazorGetCookie 호출됨");
+  window.getCookie = function (name) {
     const v = document.cookie.match('(^|;)\\s*' + name + '\\s*=\\s*([^;]+)');
     return v ? v.pop() : '';
   };
-  window.blazorSetCookie = function (name, value, days) {
-    alert("blazorSetCookie 호출됨");
+  window.setCookie = function (name, value, days) {
     let expires = "";
     if (days) {
       const date = new Date();
@@ -64,7 +64,6 @@
       expires = "; expires=" + date.toUTCString();
     }
     document.cookie = name + "=" + (value || "")  + expires + "; path=/";
-    console.log("쿠키 생성됨:", document.cookie);
   };
 </script>
 </body>