diff --git a/hyperliquid/info.py b/hyperliquid/info.py
index a86ac80..2ca7f5b 100644
--- a/hyperliquid/info.py
+++ b/hyperliquid/info.py
@@ -608,11 +608,35 @@ def delegator_history(self, user: str) -> Any:
         """
         return self.post("/info", {"type": "delegatorHistory", "user": user})
 
-    def query_order_by_oid(self, user: str, oid: int) -> Any:
-        return self.post("/info", {"type": "orderStatus", "user": user, "oid": oid})
+    def query_order_by_oid(self, user: str, oid: int, dex: str = "") -> Any:
+        """Query order status by order ID.
 
-    def query_order_by_cloid(self, user: str, cloid: Cloid) -> Any:
-        return self.post("/info", {"type": "orderStatus", "user": user, "oid": cloid.to_raw()})
+        POST /info
+
+        Args:
+            user (str): Onchain address in 42-character hexadecimal format.
+            oid (int): Order ID.
+            dex (str): Optional DEX identifier (defaults to "" for the original DEX).
+
+        Returns:
+            Order status.
+        """
+        return self.post("/info", {"type": "orderStatus", "user": user, "oid": oid, "dex": dex})
+
+    def query_order_by_cloid(self, user: str, cloid: Cloid, dex: str = "") -> Any:
+        """Query order status by client order ID.
+
+        POST /info
+
+        Args:
+            user (str): Onchain address in 42-character hexadecimal format.
+            cloid (Cloid): Client order ID.
+            dex (str): Optional DEX identifier (defaults to "" for the original DEX).
+
+        Returns:
+            Order status.
+        """
+        return self.post("/info", {"type": "orderStatus", "user": user, "oid": cloid.to_raw(), "dex": dex})
 
     def query_referral_state(self, user: str) -> Any:
         return self.post("/info", {"type": "referral", "user": user})