diff --git a/scripts/rest_client.py b/scripts/rest_client.py
index 3cf2199fb..3a8823672 100755
--- a/scripts/rest_client.py
+++ b/scripts/rest_client.py
@@ -232,6 +232,14 @@ class FtRestClient():
         """
         return self._delete(f"trades/{trade_id}")
 
+    def cancel_open_order(self, trade_id):
+        """Cancel open order for trade.
+
+        :param trade_id: Cancels open orders for this trade.
+        :return: json object
+        """
+        return self._delete(f"trades/{trade_id}/open-order")
+
     def whitelist(self):
         """Show the current whitelist.