diff --git a/letta/server/rest_api/routers/v1/agents.py b/letta/server/rest_api/routers/v1/agents.py
index 189985da..80b4c260 100644
--- a/letta/server/rest_api/routers/v1/agents.py
+++ b/letta/server/rest_api/routers/v1/agents.py
@@ -437,9 +437,13 @@ def detach_block(
 def list_passages(
     agent_id: str,
     server: "SyncServer" = Depends(get_letta_server),
-    after: Optional[int] = Query(None, description="Unique ID of the memory to start the query range at."),
-    before: Optional[int] = Query(None, description="Unique ID of the memory to end the query range at."),
+    after: Optional[str] = Query(None, description="Unique ID of the memory to start the query range at."),
+    before: Optional[str] = Query(None, description="Unique ID of the memory to end the query range at."),
     limit: Optional[int] = Query(None, description="How many results to include in the response."),
+    search: Optional[str] = Query(None, description="Search passages by text"),
+    ascending: Optional[bool] = Query(
+        True, description="Whether to sort passages oldest to newest (True, default) or newest to oldest (False)"
+    ),
     actor_id: Optional[str] = Header(None, alias="user_id"),  # Extract user_id from header, default to None if not present
 ):
     """
@@ -452,7 +456,9 @@ def list_passages(
         agent_id=agent_id,
         after=after,
         before=before,
+        query_text=search,
         limit=limit,
+        ascending=ascending,
     )
 
 
diff --git a/letta/server/server.py b/letta/server/server.py
index 7f6e59ec..713393b7 100644
--- a/letta/server/server.py
+++ b/letta/server/server.py
@@ -784,6 +784,8 @@ class SyncServer(Server):
         limit: Optional[int] = 100,
         order_by: Optional[str] = "created_at",
         reverse: Optional[bool] = False,
+        query_text: Optional[str] = None,
+        ascending: Optional[bool] = True,
     ) -> List[Passage]:
         # TODO: Thread actor directly through this function, since the top level caller most likely already retrieved the user
         actor = self.user_manager.get_user_or_default(user_id=user_id)
@@ -793,9 +795,10 @@ class SyncServer(Server):
             actor=actor,
             agent_id=agent_id,
             after=after,
+            query_text=query_text,
             before=before,
+            ascending=ascending,
             limit=limit,
-            ascending=not reverse,
         )
         return records