diff --git a/API_SQLuedo/API/Program.cs b/API_SQLuedo/API/Program.cs
index cf07659..e3828ff 100644
--- a/API_SQLuedo/API/Program.cs
+++ b/API_SQLuedo/API/Program.cs
@@ -17,7 +17,8 @@ builder.Services.AddControllers();
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
-builder.Services.AddScoped<IDataService<UserDTO>, DataBase>();
+builder.Services.AddScoped<IUserDataService<UserDTO>, UserDataService>();
+builder.Services.AddScoped<IDataService<UserDTO?>, DataService>();
 builder.Services.AddScoped<IUserDataService<User>, DbDataManager>();
 builder.Services.AddDbContext<DbContext, UserDbContext>();
 builder.Services.AddDbContext<WebAPIDbContext>(options => options.UseInMemoryDatabase("appDb"));
diff --git a/API_SQLuedo/Services/DataBase.cs b/API_SQLuedo/Services/DataService.cs
similarity index 67%
rename from API_SQLuedo/Services/DataBase.cs
rename to API_SQLuedo/Services/DataService.cs
index 63778c1..cb0e072 100644
--- a/API_SQLuedo/Services/DataBase.cs
+++ b/API_SQLuedo/Services/DataService.cs
@@ -9,9 +9,13 @@ using Shared;
 
 namespace Services
 {
-    public class DataBase : IDataService<UserDTO>
+    public class DataService : IDataService<UserDTO>
     {
         public IUserDataService<UserDTO?> UserService { get; }
+        public DataService(IUserDataService<UserDTO?> userDataService) 
+        {
+            UserService = userDataService;
+        }
 
         public IInquiryDataService InquiryDataService { get; }
 
diff --git a/API_SQLuedo/Services/UserDataService.cs b/API_SQLuedo/Services/UserDataService.cs
index 141b251..f46d725 100644
--- a/API_SQLuedo/Services/UserDataService.cs
+++ b/API_SQLuedo/Services/UserDataService.cs
@@ -15,8 +15,8 @@ namespace Services
 {
     public class UserDataService : IUserDataService<UserDTO?>
     {
-        private readonly IDataServiceEF dataServiceEF;
-        public UserDataService(IDataServiceEF dataServiceEF) 
+        private readonly IUserDataService<User> dataServiceEF;
+        public UserDataService(IUserDataService<User> dataServiceEF) 
         {
             this.dataServiceEF = dataServiceEF;
         }
diff --git a/API_SQLuedo/Shared/IUserDataService.cs b/API_SQLuedo/Shared/IUserDataService.cs
index fc5bca7..16cfacc 100644
--- a/API_SQLuedo/Shared/IUserDataService.cs
+++ b/API_SQLuedo/Shared/IUserDataService.cs
@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 using Services;
 using Model.DTO;
 using Shared;
+using Model.Business;
 
 namespace Services
 {