diff --git a/papi/main.py b/papi/main.py
index 6d320e8..15acf59 100644
--- a/papi/main.py
+++ b/papi/main.py
@@ -28,3 +28,8 @@ def post_sonde(sonde: Sonde):
     print(sonde)
     sondes.append(sonde)
     return
+
+
+@app.get("/sonde/")
+def list_sonde():
+    return [x for x in sondes]
diff --git a/tests/test_papi.py b/tests/test_papi.py
index 6505835..3a6d7c3 100644
--- a/tests/test_papi.py
+++ b/tests/test_papi.py
@@ -25,3 +25,10 @@ def test_creer_sonde():
     response = client.post("/sonde/", json=sonde1)
     assert response.status_code == 200
     assert sonde1 in sondes
+
+
+def test_lister_sondes():
+    sonde1 = {"identifiant": "masonde_001", "nom": "client1"}
+    response = client.get("/sonde/")
+    assert response.status_code == 200
+    assert sonde1 in response.json()