diff --git a/api/providers.py b/api/providers.py
index 489aedc8..5e9d09a7 100644
--- a/api/providers.py
+++ b/api/providers.py
@@ -701,6 +701,7 @@ _PROVIDER_ENV_VAR: dict[str, str] = {
     "mistralai": "MISTRAL_API_KEY",
     "x-ai": "XAI_API_KEY",
     "xiaomi": "XIAOMI_API_KEY",
+    "neuralwatt": "NEURALWATT_API_KEY",
     "opencode-zen": "OPENCODE_ZEN_API_KEY",
     "opencode-go": "OPENCODE_GO_API_KEY",
     # NOTE: bare "ollama" (local) deliberately omitted — local Ollama is keyless