diff --git a/API_SQLuedo/API/Controllers/InquiriesController.cs b/API_SQLuedo/API/Controllers/InquiriesController.cs
index ae9c46a..5b8c864 100644
--- a/API_SQLuedo/API/Controllers/InquiriesController.cs
+++ b/API_SQLuedo/API/Controllers/InquiriesController.cs
@@ -37,7 +37,7 @@ namespace API.Controllers
             return Ok(inquiries);
         }
 
-        [HttpGet("inquiry/{id}")]
+        [HttpGet("inquiry/{id:int}")]
         [ProducesResponseType(typeof(InquiryDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetInquiryById(int id)
@@ -54,7 +54,7 @@ namespace API.Controllers
             }
         }
 
-        [HttpGet("inquiry/{title}")]
+        [HttpGet("inquiry/{title:alpha}")]
         [ProducesResponseType(typeof(InquiryDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetInquiryByTitle(string title)
diff --git a/API_SQLuedo/API/Controllers/LessonsController.cs b/API_SQLuedo/API/Controllers/LessonsController.cs
index 2401a6c..eaaec1b 100644
--- a/API_SQLuedo/API/Controllers/LessonsController.cs
+++ b/API_SQLuedo/API/Controllers/LessonsController.cs
@@ -13,11 +13,11 @@ namespace API.Controllers
     [ApiController]
     public class LessonsController : Controller
     {
-        private ILessonDataService _lessonDataService;
+        private ILessonService<LessonDTO> _lessonDataService;
 
         private readonly ILogger<LessonsController> _logger;
 
-        public LessonsController(ILessonDataService lessonDataService, ILogger<LessonsController> logger)
+        public LessonsController(ILessonService<LessonDTO> lessonDataService, ILogger<LessonsController> logger)
         {
             _lessonDataService = lessonDataService;
             _logger = logger;
@@ -38,7 +38,7 @@ namespace API.Controllers
             return Ok(_lessonDataService.GetLessons(page, number, orderCriteria));
         }
 
-        [HttpGet("lesson/{id}")]
+        [HttpGet("lesson/{id:int}")]
         [ProducesResponseType(typeof(LessonDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetLessonById(int id)
@@ -55,7 +55,7 @@ namespace API.Controllers
             }
         }
 
-        [HttpGet("lesson/{title}")]
+        [HttpGet("lesson/{title:alpha}")]
         [ProducesResponseType(typeof(LessonDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetLessonByTitle(string title)
diff --git a/API_SQLuedo/API/Controllers/ParagraphsController.cs b/API_SQLuedo/API/Controllers/ParagraphsController.cs
index 8cde6f1..9196e21 100644
--- a/API_SQLuedo/API/Controllers/ParagraphsController.cs
+++ b/API_SQLuedo/API/Controllers/ParagraphsController.cs
@@ -13,11 +13,11 @@ namespace API.Controllers
     [ApiController]
     public class ParagraphsController : Controller
     {
-        private IParagraphDataService _paragraphDataService;
+        private IParagraphService<ParagraphDTO> _paragraphDataService;
 
         private readonly ILogger<ParagraphsController> _logger;
 
-        public ParagraphsController(IParagraphDataService paragraphDataService, ILogger<ParagraphsController> logger)
+        public ParagraphsController(IParagraphService<ParagraphDTO> paragraphDataService, ILogger<ParagraphsController> logger)
         {
             _paragraphDataService = paragraphDataService;
             _logger = logger;
@@ -38,7 +38,7 @@ namespace API.Controllers
             return Ok(_paragraphDataService.GetParagraphs(page, number, orderCriteria));
         }
 
-        [HttpGet("paragraph/{id}")]
+        [HttpGet("paragraph/{id:int}")]
         [ProducesResponseType(typeof(ParagraphDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetParagraphById(int id)
@@ -54,7 +54,7 @@ namespace API.Controllers
             }
         }
 
-        [HttpGet("paragraph/{title}")]
+        [HttpGet("paragraph/{title:alpha}")]
         [ProducesResponseType(typeof(ParagraphDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetParagraphByTitle(string title)
diff --git a/API_SQLuedo/API/Controllers/SuccessesController.cs b/API_SQLuedo/API/Controllers/SuccessesController.cs
index a335f0f..09df742 100644
--- a/API_SQLuedo/API/Controllers/SuccessesController.cs
+++ b/API_SQLuedo/API/Controllers/SuccessesController.cs
@@ -13,11 +13,11 @@ namespace API.Controllers
     [ApiController]
     public class SuccessesController : Controller
     {
-        private ISuccessDataService _successDataService;
+        private ISuccessService<SuccessDTO> _successDataService;
 
         private readonly ILogger<SuccessesController> _logger;
 
-        public SuccessesController(ISuccessDataService successDataService, ILogger<SuccessesController> logger)
+        public SuccessesController(ISuccessService<SuccessDTO> successDataService, ILogger<SuccessesController> logger)
         {
             _successDataService = successDataService;
             _logger = logger;
@@ -38,7 +38,7 @@ namespace API.Controllers
             return Ok(_successDataService.GetSuccesses(page, number, orderCriteria));
         }
 
-        [HttpGet("success/{id}")]
+        [HttpGet("success/user/{id:int}")]
         [ProducesResponseType(typeof(SuccessDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetSuccessByUserId(int userId)
@@ -54,7 +54,7 @@ namespace API.Controllers
             }
         }
 
-        [HttpGet("success/{inquiryId}")]
+        [HttpGet("success/inquiry/{inquiryId:int}")]
         [ProducesResponseType(typeof(SuccessDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult GetSuccessByInquiryId(int inquiryId)
diff --git a/API_SQLuedo/API/Controllers/UserController.cs b/API_SQLuedo/API/Controllers/UserController.cs
index b90fd11..4982054 100644
--- a/API_SQLuedo/API/Controllers/UserController.cs
+++ b/API_SQLuedo/API/Controllers/UserController.cs
@@ -28,7 +28,6 @@ namespace API.Controllers
             logger.LogInformation("[INFORMATION] {nb} Utilisateur(s) trouvé(s)", users.Count);
             return Ok(users);
         }
-
         [HttpGet("user/id/{id}")]
         [ProducesResponseType(typeof(UserDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
@@ -45,8 +44,7 @@ namespace API.Controllers
                 return NotFound();
             }
         }
-
-        [HttpGet("user/username/{username}")]
+        [HttpGet("user/{username:alpha}")]
         [ProducesResponseType(typeof(UserDTO), 200)]
         [ProducesResponseType(typeof(string), 404)]
         public async Task<IActionResult> GetUserByUsername(string username)
diff --git a/API_SQLuedo/StubbedContextLib/StubbedContext.cs b/API_SQLuedo/StubbedContextLib/StubbedContext.cs
index 541bc48..58cc5b7 100644
--- a/API_SQLuedo/StubbedContextLib/StubbedContext.cs
+++ b/API_SQLuedo/StubbedContextLib/StubbedContext.cs
@@ -48,12 +48,7 @@ public class StubbedContext : UserDbContext
                 prf: KeyDerivationPrf.HMACSHA256,
                 iterationCount: 100000,
                 numBytesRequested: 256 / 8)), "Victor.GABORIT@etu.uca.fr", true));
-
-        modelBuilder.Entity<InquiryEntity>().HasData(
-            new InquiryEntity(1, "L'enquête de la carotte", "La description de l'inquiry1", true, 1, 1),
-            new InquiryEntity(2, "L'enquête sur les orang outan", "The new description", false, 2, 2),
-            new InquiryEntity(3, "L'enquête sur les parapluies", "Il pleuvait", false, 3, 3));
-
+        
         modelBuilder.Entity<InquiryTableEntity>().HasData(
             new InquiryTableEntity(1, "Inquiry1",
                 "Server=localhost;Database=Inquiry1;Trusted_Connection=True;MultipleActiveResultSets=true"),
@@ -66,5 +61,10 @@ public class StubbedContext : UserDbContext
             new SolutionEntity(1, "Maxime", "Sapountzis", "La cuisine", "Le couteau", "Parce que c'est Maxime"),
             new SolutionEntity(2, "Johnny", "Ratton", "La cuisine", "Le couteau", "Parce que il est ra****"),
             new SolutionEntity(3, "Erwan", "Menager", "La salle de bain", "L'arachide", "Parce que c'est Erwan"));
+        
+        modelBuilder.Entity<InquiryEntity>().HasData(
+            new InquiryEntity(1, "L'enquête de la carotte", "La description de l'inquiry1", true, 1, 1),
+            new InquiryEntity(2, "L'enquête sur les orang outan", "The new description", false, 2, 2),
+            new InquiryEntity(3, "L'enquête sur les parapluies", "Il pleuvait", false, 3, 3));
     }
 }
\ No newline at end of file
diff --git a/API_SQLuedo/TestConsoleAPI/Program.cs b/API_SQLuedo/TestConsoleAPI/Program.cs
index b4a0be4..d24aea0 100644
--- a/API_SQLuedo/TestConsoleAPI/Program.cs
+++ b/API_SQLuedo/TestConsoleAPI/Program.cs
@@ -26,7 +26,7 @@ ILogger<SuccessesController> successLogger = factory.CreateLogger<SuccessesContr
 using (var context = new UserDbContext(options))
 {
     var userController = new UsersController(userLogger, new DataService<UserDTO, LessonDTO, InquiryDTO, ParagraphDTO, SuccessDTO>(context, new Shared.UserDataService(context), new LessonDataService(context), new InquiryDataService(context), new ParagraphDataService(context), new SuccessDataService(context)));
-    var inquiryController = new InquiriesController(new InquiryDataService(context), inquiryLogger);
+    var inquiryController = new InquiriesController(new DataService<UserDTO, LessonDTO, InquiryDTO, ParagraphDTO, SuccessDTO>(context, new Shared.UserDataService(context), new LessonDataService(context), new InquiryDataService(context), new ParagraphDataService(context), new SuccessDataService(context)), inquiryLogger);
     var paragraphController = new ParagraphsController(new ParagraphDataService(context), paragraphLogger);
     var lessonController = new LessonsController(new LessonDataService(context), lessonLogger);
     var successController = new SuccessesController(new SuccessDataService(context), successLogger);
@@ -41,10 +41,10 @@ using (var context = new UserDbContext(options))
         }
     }
 
-    void PrintInquiries()
+    async void PrintInquiries()
     {
         Console.WriteLine();
-        var inquiries = inquiryController.GetInquiries(1, 10, InquiryOrderCriteria.None) as OkObjectResult;
+        var inquiries = await inquiryController.GetInquiries(1, 10, InquiryOrderCriteria.None) as OkObjectResult;
         foreach (var item in inquiries.Value as IEnumerable<InquiryDTO>)
         {
             Console.WriteLine(item);