diff --git a/src/WorkFlowCheck.API/ApiKeyMiddleware.cs b/src/WorkFlowCheck.API/ApiKeyMiddleware.cs
index 1420a9d..d20346b 100644
--- a/src/WorkFlowCheck.API/ApiKeyMiddleware.cs
+++ b/src/WorkFlowCheck.API/ApiKeyMiddleware.cs
@@ -15,6 +15,7 @@
             if (!context.Request.Headers.TryGetValue(ApiKeyHeaderName, out var extractedApiKey))
             {
                 context.Response.StatusCode = 401; // Unauthorized
+                context.Response.ContentType = "text/html; charset=utf-8";
                 await context.Response.WriteAsync("API Key hiányzik.");
                 return;
             }
@@ -25,6 +26,7 @@
             if (!apiKey.Equals(extractedApiKey))
             {
                 context.Response.StatusCode = 403; // Forbidden
+                context.Response.ContentType = "text/html; charset=utf-8";
                 await context.Response.WriteAsync("Helytelen API Key.");
                 return;
             }
diff --git a/src/WorkFlowCheck.API/Properties/launchSettings.json b/src/WorkFlowCheck.API/Properties/launchSettings.json
index 08a8bf8..55f2dec 100644
--- a/src/WorkFlowCheck.API/Properties/launchSettings.json
+++ b/src/WorkFlowCheck.API/Properties/launchSettings.json
@@ -6,7 +6,7 @@
       "dotnetRunMessages": true,
       "launchBrowser": true,
       "launchUrl": "todos",
-      "applicationUrl": "http://localhost:5069",
+      "applicationUrl": "https://localhost:5069",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
diff --git a/src/WorkFlowCheck.API/appsettings.json b/src/WorkFlowCheck.API/appsettings.json
index e753dd1..6e69caf 100644
--- a/src/WorkFlowCheck.API/appsettings.json
+++ b/src/WorkFlowCheck.API/appsettings.json
@@ -2,7 +2,7 @@
   "DefaultConnection": {
     "ConnectionString": "Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=WorkFlowCheckDB;Integrated Security=True;Connect Timeout=30;Encrypt=False;Trust Server Certificate=False;Application Intent=ReadWrite;Multi Subnet Failover=False"
   },
-  "ApiKey": "YOUR_SECRET_API_KEY",
+  "ApiKey": "RUJeLSpSMzVASUdaRCEzUyYxRSE0VyFISFRSJC0zRzhLM1hCSDU=",
   "Logging": {
     "LogLevel": {
       "Default": "Information",
diff --git a/src/WorkFlowCheck.MAUI/App.xaml.cs b/src/WorkFlowCheck.MAUI/App.xaml.cs
index 83841dd..93e166a 100644
--- a/src/WorkFlowCheck.MAUI/App.xaml.cs
+++ b/src/WorkFlowCheck.MAUI/App.xaml.cs
@@ -1,12 +1,19 @@
-namespace WorkFlowCheck.MAUI
+using Microsoft.Extensions.DependencyInjection;
+using WorkFlowCheck.MAUI.Services;
+
+namespace WorkFlowCheck.MAUI
 {
     public partial class App : Application
     {
-        public App()
+        public App(IServiceProvider serviceProvider)
         {
             InitializeComponent();
 
-            MainPage = new AppShell();
+            //MainPage = new AppShell();
+            var mainPage = new MainPage();
+            mainPage.Initialize(serviceProvider.GetRequiredService<IUserService>());
+            MainPage = mainPage;
+            
         }
     }
 }
diff --git a/src/WorkFlowCheck.MAUI/MainPage.xaml b/src/WorkFlowCheck.MAUI/MainPage.xaml
index 18d8034..aac399c 100644
--- a/src/WorkFlowCheck.MAUI/MainPage.xaml
+++ b/src/WorkFlowCheck.MAUI/MainPage.xaml
@@ -7,14 +7,15 @@
         <VerticalStackLayout
             Padding="30,0"
             Spacing="25">
-            <Image
+            <!--<Image
                 Source="dotnet_bot.png"
                 HeightRequest="185"
                 Aspect="AspectFit"
-                SemanticProperties.Description="dot net bot in a race car number eight" />
+                SemanticProperties.Description="dot net bot in a race car number eight" />-->
 
             <Label
                 Text="Hello, World!"
+                x:Name="WelcomeLabel"
                 Style="{StaticResource Headline}"
                 SemanticProperties.HeadingLevel="Level1" />
 
@@ -24,9 +25,15 @@
                 SemanticProperties.HeadingLevel="Level2"
                 SemanticProperties.Description="Welcome to dot net Multi platform App U I" />
 
+            <Button
+                x:Name="ButtonGetUser"
+                Text="Get user info" 
+                SemanticProperties.Hint="Get user info"
+                Clicked="OnButtonGetUser"
+                HorizontalOptions="Fill" />
             <Button
                 x:Name="CounterBtn"
-                Text="Click me" 
+                Text="Hahó II." 
                 SemanticProperties.Hint="Counts the number of times you click"
                 Clicked="OnCounterClicked"
                 HorizontalOptions="Fill" />
diff --git a/src/WorkFlowCheck.MAUI/MainPage.xaml.cs b/src/WorkFlowCheck.MAUI/MainPage.xaml.cs
index bbdc138..07e12ce 100644
--- a/src/WorkFlowCheck.MAUI/MainPage.xaml.cs
+++ b/src/WorkFlowCheck.MAUI/MainPage.xaml.cs
@@ -1,14 +1,20 @@
-namespace WorkFlowCheck.MAUI
+using WorkFlowCheck.BL.DTO;
+using WorkFlowCheck.MAUI.Services;
+namespace WorkFlowCheck.MAUI
 {
     public partial class MainPage : ContentPage
     {
         int count = 0;
+        private IUserService _userService;
 
         public MainPage()
         {
             InitializeComponent();
         }
-
+        public void Initialize(IUserService userService)
+        {
+            _userService = userService;
+        }
         private void OnCounterClicked(object sender, EventArgs e)
         {
             count++;
@@ -20,6 +26,23 @@
 
             SemanticScreenReader.Announce(CounterBtn.Text);
         }
+        private async void OnButtonGetUser(object sender, EventArgs e)
+        {
+            var response = await _userService.GetUserAsync();
+            if (response != null)
+            {
+                try
+                {
+                    WelcomeLabel.Text = response.Data.Name;
+                }
+                catch (Exception ex)
+                {
+
+                    WelcomeLabel.Text = ex.Message;
+                }
+                
+            }
+        }
     }
 
 }
diff --git a/src/WorkFlowCheck.MAUI/MauiProgram.cs b/src/WorkFlowCheck.MAUI/MauiProgram.cs
index 7a7bd63..9d1c406 100644
--- a/src/WorkFlowCheck.MAUI/MauiProgram.cs
+++ b/src/WorkFlowCheck.MAUI/MauiProgram.cs
@@ -1,4 +1,8 @@
-using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using WorkFlowCheck.MAUI.Services;
+using Microsoft.Extensions.Http;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace WorkFlowCheck.MAUI
 {
@@ -7,6 +11,19 @@ namespace WorkFlowCheck.MAUI
         public static MauiApp CreateMauiApp()
         {
             var builder = MauiApp.CreateBuilder();
+            var configuration = new ConfigurationBuilder()
+            .SetBasePath(FileSystem.AppDataDirectory)  // A konfigurációs fájl betöltése az alkalmazás adat könyvtárából
+            .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
+            .Build();
+            builder.Services.AddSingleton<IConfiguration>(configuration);
+            builder.Services.AddHttpClient<UserService>(client =>
+            {
+                var apiUrl = configuration["ApiBaseUrl"]; // API-cím betöltése a konfigurációból
+                client.BaseAddress = new Uri(apiUrl);
+            });
+
+            builder.Services.AddSingleton<IUserService, UserService>();
+            
             builder
                 .UseMauiApp<App>()
                 .ConfigureFonts(fonts =>
@@ -18,8 +35,16 @@ namespace WorkFlowCheck.MAUI
 #if DEBUG
     		builder.Logging.AddDebug();
 #endif
+            // HttpClient regisztrálása az alap API-címmel
+            
 
-            return builder.Build();
+            var app = builder.Build();
+
+            // Szolgáltató tárolása globálisan
+            ServiceProvider = app.Services;
+
+            return app;
         }
+        public static IServiceProvider ServiceProvider { get; private set; }
     }
 }
diff --git a/src/WorkFlowCheck.MAUI/Resources/Raw/appsettings.json b/src/WorkFlowCheck.MAUI/Resources/Raw/appsettings.json
new file mode 100644
index 0000000..92e3bb3
--- /dev/null
+++ b/src/WorkFlowCheck.MAUI/Resources/Raw/appsettings.json
@@ -0,0 +1,4 @@
+{
+  "ApiBaseUrl": "https://localhost:5069",
+  "ApiKey": "RUJeLSpSMzVASUdaRCEzUyYxRSE0VyFISFRSJC0zRzhLM1hCSDU="
+}
diff --git a/src/WorkFlowCheck.MAUI/Services/IUserService.cs b/src/WorkFlowCheck.MAUI/Services/IUserService.cs
new file mode 100644
index 0000000..3f26349
--- /dev/null
+++ b/src/WorkFlowCheck.MAUI/Services/IUserService.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WorkFlowCheck.BL.DTO;
+
+namespace WorkFlowCheck.MAUI.Services
+{
+    public interface IUserService
+    {
+        Task<ApiResponseDTO<UserDTO>> GetUserAsync();
+    }
+}
diff --git a/src/WorkFlowCheck.MAUI/Services/UserService.cs b/src/WorkFlowCheck.MAUI/Services/UserService.cs
index 51b6466..9183984 100644
--- a/src/WorkFlowCheck.MAUI/Services/UserService.cs
+++ b/src/WorkFlowCheck.MAUI/Services/UserService.cs
@@ -1,4 +1,5 @@
-using System;
+using Microsoft.Extensions.Configuration;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net.Http.Json;
@@ -8,24 +9,27 @@ using WorkFlowCheck.BL.DTO;
 
 namespace WorkFlowCheck.MAUI.Services
 {
-    public class UserService
+    public class UserService : IUserService
     {
         private readonly HttpClient _httpClient;
-        public UserService(HttpClient httpClient)
+        public UserService(HttpClient httpClient, IConfiguration configuration)
         {
             _httpClient = httpClient;
 
+            var apiBaseUrl = configuration["ApiBaseUrl"]; // API-cím elérése a konfigurációból
+            _httpClient.BaseAddress = new Uri("https://192.168.50.128:5069");
+
             // Alapértelmezett fejléc beállítása az API-kulccsal
-            _httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", "YOUR_API_KEY");
+            //_httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", "YOUR_API_KEY");
             // Ha egyéni fejlécet használsz:
-            // _httpClient.DefaultRequestHeaders.Add("X-Api-Key", "YOUR_API_KEY");
+            _httpClient.DefaultRequestHeaders.Add("X-Api-Key", "RUJeLSpSMzVASUdaRCEzUyYxRSE0VyFISFRSJC0zRzhLM1hCSDU=");
         }
         public async Task<ApiResponseDTO<UserDTO>> GetUserAsync()
         {
             try
             {
                 // Az API végpont meghatározása
-                string endpoint = "api/user";
+                string endpoint = $"{_httpClient.BaseAddress}api/User";
 
                 // HTTP GET kérés küldése
                 var response = await _httpClient.GetFromJsonAsync<ApiResponseDTO<UserDTO>>(endpoint);
diff --git a/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj b/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
index 0145488..095239c 100644
--- a/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
+++ b/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
@@ -57,8 +57,10 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.2" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
+		<PackageReference Include="Microsoft.Extensions.Http" Version="8.0.1" />
 		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
 		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.1" />