diff --git a/app/src/Middleware/API.php b/app/src/Middleware/API.php
index e8f300a..1b05692 100644
--- a/app/src/Middleware/API.php
+++ b/app/src/Middleware/API.php
@@ -107,6 +107,11 @@ class API
                 }
             }
         }
+        $this->logger->warning("Failed to validate external key", [
+            'path' => $request->getUri()->getPath(),
+            'headers' => $request->getHeaders(),
+            'token' => $this->externalPaths[$basePath][$subPath]
+        ]);
         return false;
     }
 }