diff --git a/stubs/txzmq/connection.pyi b/stubs/txzmq/connection.pyi
--- a/stubs/txzmq/connection.pyi
+++ b/stubs/txzmq/connection.pyi
@@ -10,7 +10,8 @@ class ZmqEndpointType:
     bind: str = ...
     connect: str = ...
 
-class ZmqEndpoint: ...
+class ZmqEndpoint:
+    def __init__(self, type: str, address: str): ...
 
 class ZmqConnection:
     socketType: Any = ...