diff --git a/vllm/envs.py b/vllm/envs.py
index c3686477d88d1..d93ae8b9c2250 100755
--- a/vllm/envs.py
+++ b/vllm/envs.py
@@ -24,6 +24,7 @@ if TYPE_CHECKING:
     CUDA_VISIBLE_DEVICES: str | None = None
     VLLM_ENGINE_ITERATION_TIMEOUT_S: int = 60
     VLLM_API_KEY: str | None = None
+    VLLM_DEBUG_LOG_API_SERVER_RESPONSE: bool = False
     S3_ACCESS_KEY_ID: str | None = None
     S3_SECRET_ACCESS_KEY: str | None = None
     S3_ENDPOINT_URL: str | None = None