diff --git a/packages/langbase/src/langbase/langbase.ts b/packages/langbase/src/langbase/langbase.ts
index b7dfd2e..c6cfa8d 100644
--- a/packages/langbase/src/langbase/langbase.ts
+++ b/packages/langbase/src/langbase/langbase.ts
@@ -197,6 +197,7 @@ interface PipeBaseOptions {
 	memory?: {
 		name: string;
 	}[];
+	response_format?: ResponseFormat;
 }
 
 export interface PipeListResponse {