diff --git a/DoliMiddlewareApi/Exceptions/ApiException.cs b/DoliMiddlewareApi/Exceptions/ApiException.cs
new file mode 100644
index 0000000..b3290b2
--- /dev/null
+++ b/DoliMiddlewareApi/Exceptions/ApiException.cs
@@ -0,0 +1,9 @@
+namespace DoliMiddlewareApi.Exceptions;
+
+public class ApiException : Exception
+
+{
+    public ApiException(string message) : base(message)
+    {
+    }
+}
\ No newline at end of file
diff --git a/DoliMiddlewareApi/Exceptions/BadRequestException.cs b/DoliMiddlewareApi/Exceptions/BadRequestException.cs
new file mode 100644
index 0000000..fbe271b
--- /dev/null
+++ b/DoliMiddlewareApi/Exceptions/BadRequestException.cs
@@ -0,0 +1,8 @@
+namespace DoliMiddlewareApi.Exceptions;
+
+public class BadRequestException : Exception
+{
+    public BadRequestException(string message) : base(message)
+    {
+    }
+}
diff --git a/DoliMiddlewareApi/Exceptions/ForbiddenException.cs b/DoliMiddlewareApi/Exceptions/ForbiddenException.cs
new file mode 100644
index 0000000..f1893f0
--- /dev/null
+++ b/DoliMiddlewareApi/Exceptions/ForbiddenException.cs
@@ -0,0 +1,8 @@
+namespace DoliMiddlewareApi.Exceptions;
+
+public class ForbiddenException : Exception
+{
+    public ForbiddenException(string message) : base(message)
+    {
+    }
+}
diff --git a/DoliMiddlewareApi/Exceptions/NotFoundException.cs b/DoliMiddlewareApi/Exceptions/NotFoundException.cs
new file mode 100644
index 0000000..b4a0013
--- /dev/null
+++ b/DoliMiddlewareApi/Exceptions/NotFoundException.cs
@@ -0,0 +1,8 @@
+namespace DoliMiddlewareApi.Exceptions;
+
+public class NotFoundException : Exception
+{
+    public NotFoundException(string message) : base(message)
+    {
+    }
+}
diff --git a/DoliMiddlewareApi/Exceptions/UnauthorizedException.cs b/DoliMiddlewareApi/Exceptions/UnauthorizedException.cs
new file mode 100644
index 0000000..ccba3c0
--- /dev/null
+++ b/DoliMiddlewareApi/Exceptions/UnauthorizedException.cs
@@ -0,0 +1,8 @@
+namespace DoliMiddlewareApi.Exceptions;
+
+public class UnauthorizedException : Exception
+{
+    public UnauthorizedException(string message) : base(message)
+    {
+    }
+}