diff --git a/WF-WebAdmin/WF-WebAdmin/Service/IQuoteService.cs b/WF-WebAdmin/WF-WebAdmin/Service/IQuoteService.cs
new file mode 100644
index 0000000..e4a165e
--- /dev/null
+++ b/WF-WebAdmin/WF-WebAdmin/Service/IQuoteService.cs
@@ -0,0 +1,27 @@
+using WF_WebAdmin.Model;
+
+namespace WF_WebAdmin.Service
+{
+    public interface IQuoteService
+    {
+        public void addQuote(Quote quote);
+
+        public void removeQuote(Quote quote);
+
+        public void validQuote(Quote quote);
+
+        public void updateQuote(Quote quote);
+
+        public List<Quote> getAllQuote();
+
+        public List<Quote> getSomeQuote(int nb, int page);
+
+        public Quote getOnequote(int id);
+
+        public List<Quote> reserchQuote(string reserch, List<string> argument);
+
+        public List<Quote> getAllQuoteInvalid();
+
+        public List<Quote> getSomeQuoteInvalid(int nb, int page);
+    }
+}
diff --git a/WF-WebAdmin/WF-WebAdmin/Service/IUserService.cs b/WF-WebAdmin/WF-WebAdmin/Service/IUserService.cs
new file mode 100644
index 0000000..1742e10
--- /dev/null
+++ b/WF-WebAdmin/WF-WebAdmin/Service/IUserService.cs
@@ -0,0 +1,21 @@
+using WF_WebAdmin.Model;
+
+namespace WF_WebAdmin.Service
+{
+    public interface IUserService
+    {
+        public void removeUser(User user);
+
+        public void updateRole(User user);
+
+        public void downgradeRole(User user);
+
+        public List<User> getAllUser();
+
+        public List<User> getSomeUser(int nb, int page);
+
+        public User getOneUser(int id);
+
+        public List<User> reserchUsers(string reserch, List<string> args);
+    }
+}
diff --git a/WF-WebAdmin/WF-WebAdmin/Service/QuoteServiceStub.cs b/WF-WebAdmin/WF-WebAdmin/Service/QuoteServiceStub.cs
new file mode 100644
index 0000000..74cf398
--- /dev/null
+++ b/WF-WebAdmin/WF-WebAdmin/Service/QuoteServiceStub.cs
@@ -0,0 +1,65 @@
+using Microsoft.AspNetCore.Components;
+using WF_WebAdmin.Model;
+using static System.Net.WebRequestMethods;
+
+namespace WF_WebAdmin.Service
+{
+    public class QuoteServiceStub : IQuoteService
+    {
+        [Inject]
+        public HttpClient Http { get; set; }
+
+        [Inject]
+        public NavigationManager NavigationManager { get; set; }
+
+        public void addQuote(Quote quote)
+        {
+            
+        }
+
+        public  List<Quote> getAllQuote()
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<Quote> getAllQuoteInvalid()
+        {
+            throw new NotImplementedException();
+        }
+
+        public Quote getOnequote(int id)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<Quote> getSomeQuote(int nb, int page)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<Quote> getSomeQuoteInvalid(int nb, int page)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void removeQuote(Quote quote)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<Quote> reserchQuote(string reserch, List<string> argument)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void updateQuote(Quote quote)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void validQuote(Quote quote)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}