diff --git a/backend/app/proxy_client.py b/backend/app/proxy_client.py
index 1f2514d..80a8e55 100644
--- a/backend/app/proxy_client.py
+++ b/backend/app/proxy_client.py
@@ -18,6 +18,9 @@ class ProxiedAirwallexClient(AirwallexClient):
     Uses stdlib http.client for auth to bypass Cloudflare fingerprinting.
     """
 
+    # Override __module__ so SDK's __getattr__ finds api modules under 'airwallex' package
+    __module__ = "airwallex.client"
+
     def __init__(self, proxy_url: str | None = None, login_as: str | None = None, **kwargs):
         self._proxy_url = proxy_url
         self._login_as = login_as