diff --git a/validator_api/serializers.py b/validator_api/serializers.py
index 74e2706c..cdc15a24 100644
--- a/validator_api/serializers.py
+++ b/validator_api/serializers.py
@@ -57,7 +57,8 @@ class CompletionsRequest(BaseModel):
         description="Inference mode to use for the task.",
         example="Reasoning-Fast",
     )
-    json_format: bool = Field(default=False, description="Enable JSON format for the response.", example=True)
+    json_format: bool = (Field(default=False, description="Enable JSON format for the response.", example=True),)
+    stream: bool = Field(default=False, description="Enable streaming for the response.", example=True)
 
 
 class WebRetrievalRequest(BaseModel):