We've brought back this endpoint:
/accountActiveOrders. You can also fetch via Web Socket. https://apibetadocs.lighter.xyz/reference/accountactiveorders
https://github.com/elliottech/lighter-python/blob/main/lighter/api/order_api.py#L49
LI Lighter API/MM Updates @lighter_api_updates · 1.02K subscribers /accountActiveOrders. You can also fetch via Web Socket.