diff --git a/API/docs/diagram.wsd b/API/docs/diagram.wsd
new file mode 100644
index 0000000..65c7230
--- /dev/null
+++ b/API/docs/diagram.wsd
@@ -0,0 +1,29 @@
+@startuml diagram
+class users {
+    id: text
+    username: text
+    email: email
+    name: text
+    image: file
+    created: date
+    updated: date
+}
+class trashs{
+    id: text
+    value: text
+    author: users
+    created: date
+    updated: date
+}
+class data {
+    id: text
+    value: number
+    poubelle_id: trashs
+    unit: text
+    status: bool
+    created: date
+    updated: date
+}
+users "1" <-- trashs
+trashs "1" <-- data
+@enduml
\ No newline at end of file