diff --git a/lightrag/api/routers/query_routes.py b/lightrag/api/routers/query_routes.py
index 6fe86f79..6ac8943d 100644
--- a/lightrag/api/routers/query_routes.py
+++ b/lightrag/api/routers/query_routes.py
@@ -78,6 +78,11 @@ class QueryRequest(BaseModel):
         description="Number of complete conversation turns (user-assistant pairs) to consider in the response context.",
     )
 
+    ids: list[str] | None = Field(
+        default=None,
+        description="List of ids to filter the results."
+    )
+
     user_prompt: Optional[str] = Field(
         default=None,
         description="User-provided prompt for the query. If provided, this will be used instead of the default value from prompt template.",