diff --git a/papi/main.py b/papi/main.py
index 58eaffa..3ced1bf 100644
--- a/papi/main.py
+++ b/papi/main.py
@@ -57,6 +57,15 @@ class Notifier:
             {"changes": changes, "status": [x for x in status]}
         )
 
+    def error_sonde(idsonde, kind="perte_contact_api"):
+        notifications[idsonde].append(
+            {
+                "changes": ["perte contact api"],
+                "status": ["Le monitoring est inacessible"],
+            }
+        )
+        breakpoint()
+
 
 Notifier = Notifier()
 
@@ -129,6 +138,17 @@ def list_notification_as_text(request: Request, idsonde: str):
     )
 
 
+@app.post("/sonde/{idsonde}/error")
+def post_sonde_error(
+    idsonde: str, body: dict = Body(...), db: Session = Depends(get_db)
+):
+    if not (sonde := crud.get_sonde(db, idsonde)):
+        return
+
+    Notifier.error_sonde(idsonde)
+    return
+
+
 @app.post("/sonde/{idsonde}/")
 def post_sonde_data(
     idsonde: str, body: dict = Body(...), db: Session = Depends(get_db)