diff --git a/routstr/core/main.py b/routstr/core/main.py
index 461f8b6d..0cdc6a1f 100644
--- a/routstr/core/main.py
+++ b/routstr/core/main.py
@@ -181,7 +181,7 @@ app.add_middleware(
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],
-    expose_headers=["x-routstr-request-id"],
+    expose_headers=["x-routstr-request-id", "x-cashu"],
 )
 
 # Add logging middleware