xtekky/gpt4free · error · ValueError
Invalid API key for the specified base_url.
Error message
Invalid API key for the specified base_url.
What it means
Error "Invalid API key for the specified base_url." thrown in xtekky/gpt4free.
Source
Thrown at g4f/Provider/template/OpenaiTemplate.py:118
api_key = AuthManager.load_api_key(cls) or api_key
if base_url is None:
base_url = cls.base_url
if not cls.is_provider_api_key(api_key):
base_url = cls.backup_url
if base_url is None:
raise NotImplementedError(
"No base_url or backup_url specified."
)
if base_url.startswith(SPACE_URL) and not api_key:
api_key = AppConfig.g4f_space_api_key
elif cls.models_needs_auth and not api_key:
raise MissingAuthError("API key is required.")
elif (
not base_url.startswith(SPACE_URL)
and api_key
and (api_key.startswith("g4f_") or api_key.startswith("gfs_"))
):
raise ValueError("Invalid API key for the specified base_url.")
response = requests.get(
f"{base_url}/models",
headers=cls.get_headers(False, api_key),
verify=cls.ssl,
timeout=timeout,
)
response.raise_for_status()
data = response.json()
data = (
data.get("data", data.get("models"))
if isinstance(data, dict)
else data
)
if (not cls.needs_auth or cls.models_needs_auth or api_key) and data:
cls.live += 1
cls.image_models = [
model.get("name")View on GitHub (pinned to 973504e177)
Solutions
- Verify the api_key matches the service behind the configured base_url.
- Regenerate the API key and update the provider configuration.
When it happens
Trigger: Thrown at g4f/Provider/template/OpenaiTemplate.py:118 when the library encounters an invalid state.
Common situations: See trigger scenarios.
Understand the failure class
- Authentication and authorization failures — expired tokens, bad credentials, and missing scopes.
AI-assisted analysis of xtekky/gpt4free@973504e177 (2026-08-14).
Data as JSON: /api/errors/33edfcb31571b2d2.
Report an issue: GitHub.