diff --git a/src/Plugin.NFC/Plugin.NFC.csproj b/src/Plugin.NFC/Plugin.NFC.csproj
index e1f631b..0c629fe 100644
--- a/src/Plugin.NFC/Plugin.NFC.csproj
+++ b/src/Plugin.NFC/Plugin.NFC.csproj
@@ -2,7 +2,8 @@
 
   <PropertyGroup>
     <!--Work around so the conditions work below-->
-    <TargetFrameworks>netstandard1.0;netstandard2.0;Xamarin.iOS10;MonoAndroid10.0;net8.0;net8.0-android;net8.0-ios</TargetFrameworks>
+    <!--<TargetFrameworks>netstandard1.0;netstandard2.0;Xamarin.iOS10;MonoAndroid10.0;net8.0;net8.0-android;net8.0-ios</TargetFrameworks>-->
+    <TargetFrameworks>net8.0;net8.0-android;net8.0-ios</TargetFrameworks>
 
     <AssemblyName>Plugin.NFC</AssemblyName>
     <RootNamespace>Plugin.NFC</RootNamespace>
diff --git a/src/WorkFlowCheck.API/Controllers/UserController.cs b/src/WorkFlowCheck.API/Controllers/UserController.cs
index 3de56b2..5ec0994 100644
--- a/src/WorkFlowCheck.API/Controllers/UserController.cs
+++ b/src/WorkFlowCheck.API/Controllers/UserController.cs
@@ -9,9 +9,15 @@ namespace WorkFlowCheck.API.Controllers
     public class UserController : ControllerBase
     {
         [HttpGet]
-        public ActionResult<ResponseDTO> Get()
+        public async Task<ApiResponseDTO<UserDTO>> Get()
         {
-            return new ResponseDTO { Message = "Success" };
+            var userDTO = new UserDTO() { Id = 1, Email = "email", Name = "Name" };
+            var retVal = new ApiResponseDTO<UserDTO>()
+            {
+                IsSuccess = true,
+                Data = userDTO
+            };
+            return retVal;
         }
     }
 }
diff --git a/src/WorkFlowCheck.API/Program.cs b/src/WorkFlowCheck.API/Program.cs
index a2e9be8..8472790 100644
--- a/src/WorkFlowCheck.API/Program.cs
+++ b/src/WorkFlowCheck.API/Program.cs
@@ -4,6 +4,7 @@ using System.Text.Json;
 using System.Text.Json.Serialization;
 using WorkFlowCheck.API;
 using WorkFlowCheck.DL;
+using Microsoft.AspNetCore.Mvc;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -45,12 +46,13 @@ builder.Services.AddSwaggerGen(c =>
     });
 });
 
-// Szolgáltatások hozzáadása
-builder.Services.AddControllers().AddJsonOptions(options =>
-{
-    options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;
-    options.JsonSerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull;
-}); ;
+builder.Services.AddControllers()
+    .AddNewtonsoftJson(options =>
+    {
+        // Itt konfigurálhatod az egyedi beállításokat
+        options.SerializerSettings.NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore;
+        options.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
+    });
 
 var app = builder.Build();
 // Swagger middleware
diff --git a/src/WorkFlowCheck.API/WorkFlowCheck.API.csproj b/src/WorkFlowCheck.API/WorkFlowCheck.API.csproj
index 625b164..68a71bf 100644
--- a/src/WorkFlowCheck.API/WorkFlowCheck.API.csproj
+++ b/src/WorkFlowCheck.API/WorkFlowCheck.API.csproj
@@ -14,6 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.11" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 
diff --git a/src/WorkFlowCheck.BL/DTO/ApiResponseDTO.cs b/src/WorkFlowCheck.BL/DTO/ApiResponseDTO.cs
new file mode 100644
index 0000000..d5d4176
--- /dev/null
+++ b/src/WorkFlowCheck.BL/DTO/ApiResponseDTO.cs
@@ -0,0 +1,39 @@
+using System.Text.Json.Serialization;
+
+namespace WorkFlowCheck.BL.DTO
+{
+    public class ApiResponseBaseDTO
+    {
+        public bool IsSuccess { get; set; }
+        public IEnumerable<string> Errors { get; set; }
+        public bool HandleError { get; set; }
+        public string Error
+        {
+            get
+            {
+                if (Errors == null || Errors.Count() == 0) return string.Empty;
+                return string.Join(';', Errors);
+            }
+        }
+    }
+    
+    public class ApiResponseDTO : ApiResponseBaseDTO
+    {
+        public object Data { get; set; }
+    }
+    
+    public interface IApiResponseDTO<out T>
+    {
+
+    }
+    
+    public class ApiResponseDTO<T> : ApiResponseBaseDTO, IApiResponseDTO<T>
+    {
+        public T Data { get; set; }
+    }
+    public class ApiResponseListDTO<T> : ApiResponseBaseDTO
+    {
+        public T[] Data { get; set; }
+        public int Total { get; set; }
+    }
+}
diff --git a/src/WorkFlowCheck.BL/DTO/ResponseDTO.cs b/src/WorkFlowCheck.BL/DTO/ResponseDTO.cs
deleted file mode 100644
index 1c81727..0000000
--- a/src/WorkFlowCheck.BL/DTO/ResponseDTO.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace WorkFlowCheck.BL.DTO
-{
-    [JsonSerializable(typeof(ResponseDTO))]
-    public class ResponseDTO
-    {
-        public string Message { get; set; } = null!;
-    }
-}
diff --git a/src/WorkFlowCheck.BL/DTO/UserDTO.cs b/src/WorkFlowCheck.BL/DTO/UserDTO.cs
new file mode 100644
index 0000000..2ebece0
--- /dev/null
+++ b/src/WorkFlowCheck.BL/DTO/UserDTO.cs
@@ -0,0 +1,9 @@
+namespace WorkFlowCheck.BL.DTO
+{
+    public class UserDTO
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = null!;
+        public string Email { get; set; } = null!;
+    }
+}
diff --git a/src/WorkFlowCheck.MAUI/Services/UserService.cs b/src/WorkFlowCheck.MAUI/Services/UserService.cs
new file mode 100644
index 0000000..51b6466
--- /dev/null
+++ b/src/WorkFlowCheck.MAUI/Services/UserService.cs
@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http.Json;
+using System.Text;
+using System.Threading.Tasks;
+using WorkFlowCheck.BL.DTO;
+
+namespace WorkFlowCheck.MAUI.Services
+{
+    public class UserService
+    {
+        private readonly HttpClient _httpClient;
+        public UserService(HttpClient httpClient)
+        {
+            _httpClient = httpClient;
+
+            // Alapértelmezett fejléc beállítása az API-kulccsal
+            _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");
+        }
+        public async Task<ApiResponseDTO<UserDTO>> GetUserAsync()
+        {
+            try
+            {
+                // Az API végpont meghatározása
+                string endpoint = "api/user";
+
+                // HTTP GET kérés küldése
+                var response = await _httpClient.GetFromJsonAsync<ApiResponseDTO<UserDTO>>(endpoint);
+
+                return response ?? new ApiResponseDTO<UserDTO>
+                {
+                    IsSuccess = false,
+                };
+            }
+            catch (Exception ex)
+            {
+                // Hiba visszaadása
+                return new ApiResponseDTO<UserDTO>
+                {
+                    IsSuccess = false
+                };
+            }
+        }
+    }
+}
diff --git a/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj b/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
index 8561f7f..0145488 100644
--- a/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
+++ b/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
@@ -57,6 +57,8 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.2" />
+		<PackageReference Include="Microsoft.Extensions.Configuration.Json" 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" />
@@ -64,6 +66,7 @@
 
 	<ItemGroup>
 	  <ProjectReference Include="..\Plugin.NFC\Plugin.NFC.csproj" />
+	  <ProjectReference Include="..\WorkFlowCheck.BL\WorkFlowCheck.BL.csproj" />
 	</ItemGroup>
 
 </Project>