diff --git a/bfxapi/rest/endpoints/rest_auth_endpoints.py b/bfxapi/rest/endpoints/rest_auth_endpoints.py
index 658e182..551389c 100644
--- a/bfxapi/rest/endpoints/rest_auth_endpoints.py
+++ b/bfxapi/rest/endpoints/rest_auth_endpoints.py
@@ -121,12 +121,12 @@ class RestAuthEndpoints(Middleware):
 
     def cancel_order_multi(self,
                            *,
-                           ids: Optional[List[int]] = None,
-                           cids: Optional[List[Tuple[int, str]]] = None,
-                           gids: Optional[List[int]] = None,
+                           id: Optional[List[int]] = None,
+                           cid: Optional[List[Tuple[int, str]]] = None,
+                           gid: Optional[List[int]] = None,
                            all: bool = False) -> Notification[List[Order]]:
         body = {
-            "ids": ids, "cids": cids, "gids": gids, 
+            "id": id, "cid": cid, "gid": gid, 
             "all": all
         }
 
diff --git a/bfxapi/websocket/_client/bfx_websocket_inputs.py b/bfxapi/websocket/_client/bfx_websocket_inputs.py
index 1753f3a..b527b87 100644
--- a/bfxapi/websocket/_client/bfx_websocket_inputs.py
+++ b/bfxapi/websocket/_client/bfx_websocket_inputs.py
@@ -64,12 +64,12 @@ class BfxWebSocketInputs:
 
     async def cancel_order_multi(self,
                                  *,
-                                 ids: Optional[List[int]] = None,
-                                 cids: Optional[List[Tuple[int, str]]] = None,
-                                 gids: Optional[List[int]] = None,
+                                 id: Optional[List[int]] = None,
+                                 cid: Optional[List[Tuple[int, str]]] = None,
+                                 gid: Optional[List[int]] = None,
                                  all: Optional[bool] = None) -> None:
         await self.__handle_websocket_input("oc_multi", {
-            "ids": ids, "cids": cids, "gids": gids,
+            "id": id, "cid": cid, "gid": gid,
             "all": all
         })