From f2049a7d9b63a3d44736950dd1635da5635fc6f5 Mon Sep 17 00:00:00 2001
From: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
Date: Wed, 5 Aug 2026 12:37:12 -0700
Subject: [PATCH] fix(proxy): narrow pass-through provider resolution to
 BadRequestError

---
 .../proxy/pass_through_endpoints/passthrough_endpoint_router.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litellm/proxy/pass_through_endpoints/passthrough_endpoint_router.py b/litellm/proxy/pass_through_endpoints/passthrough_endpoint_router.py
index dc53686b3cc..1d2b4504d61 100644
--- a/litellm/proxy/pass_through_endpoints/passthrough_endpoint_router.py
+++ b/litellm/proxy/pass_through_endpoints/passthrough_endpoint_router.py
@@ -116,7 +116,7 @@ class PassthroughEndpointRouter:
                 model=model,
                 custom_llm_provider=litellm_params.get("custom_llm_provider"),
             )
-        except Exception:
+        except litellm.exceptions.BadRequestError:
             return None
         return provider