diff --git a/code/API_definitions/qod-api.yaml b/code/API_definitions/qod-api.yaml
index bd228c82a9..5cdc164d3d 100644
--- a/code/API_definitions/qod-api.yaml
+++ b/code/API_definitions/qod-api.yaml
@@ -244,6 +244,8 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/SessionInfo"
+        "400":
+          $ref: "#/components/responses/Generic400"
         "401":
           $ref: "#/components/responses/Generic401"
         "403":
@@ -275,6 +277,8 @@ paths:
       responses:
         "204":
           description: Session deleted
+        "400":
+          $ref: "#/components/responses/Generic400"
         "401":
           $ref: "#/components/responses/Generic401"
         "403":