diff --git a/pxy_dashboard/middleware.py b/pxy_dashboard/middleware.py
index 825c126..ad7e898 100644
--- a/pxy_dashboard/middleware.py
+++ b/pxy_dashboard/middleware.py
@@ -100,6 +100,10 @@ EXEMPT_URLS += [
     re.compile(r"^api/bots/template_reply$"),
 ]
 
+# LangChain API (public for bots)
+EXEMPT_URLS += [
+    re.compile(r"^api/langchain/chat/?$"),
+]
 
 
 class LoginRequiredMiddleware(MiddlewareMixin):