diff --git a/categories/category.schema.json b/categories/category.schema.json
new file mode 100644
index 0000000..4884ae8
--- /dev/null
+++ b/categories/category.schema.json
@@ -0,0 +1,14 @@
+{
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+    "type": "object",
+    "properties": {
+        "type": {
+            "type": "string",
+	    "enum": ["category"]
+        },
+        "name": {
+            "type": "string"
+        }
+    },
+    "required": ["name"]
+}
diff --git a/equipment.schema.json b/equipment.schema.json
index 1f38c1e..0df6ed6 100644
--- a/equipment.schema.json
+++ b/equipment.schema.json
@@ -2,6 +2,10 @@
     "$schema": "https://json-schema.org/draft/2020-12/schema",
     "type": "object",
     "properties": {
+        "type": {
+	    "type": "string",
+	    "enum": ["equipment"]
+	},
         "category" : {
             "type": "string"
         },
diff --git a/mouvements/movement.schema.json b/mouvements/movement.schema.json
new file mode 100644
index 0000000..bd579f1
--- /dev/null
+++ b/mouvements/movement.schema.json
@@ -0,0 +1,43 @@
+{
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+    "type": "object",
+    "properties": {
+        "type": {
+	    "type": "string",
+	    "enum": ["movement"]
+	},
+        "direction" : {
+            "description": "Entrée ou sortie",
+            "type": "string",
+            "enum": ["entrée", "sortie"]
+        },
+        "inputNature": {
+            "description": "Nature de l'entrée",
+            "type": "string",
+            "enum": ["Achat", "Don", "Récupération", "Location / Prêt"]
+        },
+        "outputNature": {
+            "description": "Nature de la sortie",
+            "type": "string",
+            "enum": ["Vente", "Don", "Besoin", "Autre (perte, vol, ...)", "Location / Prêt"]
+        },
+        "amount": {
+            "description": "Quantité ajoutée ou retirée",
+            "type": "integer",
+            "minimum": 1
+        }
+        "equipment": {
+            "type": "string"
+        }
+        "date" : {
+            "description": "Date de l'opération",
+            "type": "string",
+            "format": "datetime"
+        }
+        "comment": {
+            "description": "Commentaire additionnel",
+            "type": "string"
+        }
+    },
+    "required": ["direction", "inputNature", "outputNature", "amount", "equipment", "date", "comment"]
+}