diff --git a/openai_pool_orchestrator/server.py b/openai_pool_orchestrator/server.py
index c2ea221..8c238f4 100755
--- a/openai_pool_orchestrator/server.py
+++ b/openai_pool_orchestrator/server.py
@@ -307,6 +307,10 @@ def _normalize_config(cfg: Dict[str, Any]) -> Dict[str, Any]:
     except (TypeError, ValueError):
         cfg["proxy_pool_count"] = 1
     cfg["proxy_pool_country"] = str(cfg.get("proxy_pool_country", "US") or "US").strip().upper() or "US"
+    cpa_base_url = str(cfg.get("cpa_base_url", "") or "").strip().rstrip("/")
+    if cpa_base_url.lower().endswith("/v0"):
+        cpa_base_url = cpa_base_url[:-3].rstrip("/")
+    cfg["cpa_base_url"] = cpa_base_url
     return cfg