diff --git a/DiagrammeDeClasseAPI.md b/DiagrammeDeClasseAPI.md
new file mode 100644
index 0000000..75678a8
--- /dev/null
+++ b/DiagrammeDeClasseAPI.md
@@ -0,0 +1,52 @@
+```mermaid
+classDiagram
+
+class Player{
+	- Pseudo : string
+}
+
+class Stats{
+	- NbWin : int
+    - NbPlayed : int
+    - MaxChain : int
+    - MaxZone : int
+    - MaxPoints : int
+}
+
+Player --> "1" Stats : Stats
+
+class  Game{
+	- Duration : TimeSpan
+    - Date : DateOnly
+    - Grilles : Dictionary~Player,Grille~
+    - Scores : Dictionary~Player,int~
+}
+
+Game --> "*" Player : Players
+
+class GameMode{
+	- Name : int
+}
+
+Game --> "1" GameMode : GameMode
+
+class Turn{
+	- DiceValue1 : int
+    - DiceValue2 : int
+}
+
+Game --> "*" Turn : Turns
+
+class Grille {
+	- NbChaine : int
+    - NbZone : int
+    - MaxChain : int
+    - MaxZone : int
+}
+
+class Case {
+	- Valeur : int
+}
+
+Grille --> "*" Case : Cases
+```
\ No newline at end of file