OpenAI API error
OpenAI API 401 IP not authorized: what it means and how to fix it
401 IP not authorizedRetry? Not statedLast verified 1 documented fix1 source
What it means
The request IP does not match the configured IP allowlist for your project or organization.
Causes
- Request sent from an IP address outside the project or organization IP allowlist
How to fix it
- Fix 1.
Send the request from the correct IP, or update your IP allowlist settings.
More OpenAI API errors
All 23 OpenAI API errors400 invalid_request_error (Invalid service_tier argument)Retry? Not stated401 Invalid AuthenticationRetry? Not stated401 Incorrect API key providedRetry? Not stated401 You must be a member of an organization to use the APIRetry? Not stated403 Country, region, or territory not supportedRetry? Not stated429 credit_balance_exhaustedRetry? No429 Rate limit reached for requestsRetry? Yes429 rate_limit_error slow_downRetry? Yes
HTTP 401 at other providers
Compare 401 across providers401 authentication_errorRetry? Not statedAnthropic API401 UnauthorizedRetry? Not statedAzure OpenAI401 UnauthorizedRetry? Not statedCohere API401 - Authentication FailsRetry? Not statedDeepSeek API401 authenticationRetry? NoGemini API401 UnauthorizedRetry? Not statedGroq API401 UnauthorizedRetry? Not statedMistral API401 authenticationRetry? Not statedOpenRouter401 UNAUTHENTICATEDRetry? NoVertex AI401 UnauthorizedRetry? Not statedxAI API
FAQ
What does the OpenAI API error "401 IP not authorized" mean?
The request IP does not match the configured IP allowlist for your project or organization.
How do I fix OpenAI API "401 IP not authorized"?
Send the request from the correct IP, or update your IP allowlist settings.
Should I retry OpenAI API "401 IP not authorized"?
Not stated. The official docs do not say whether this error is retryable.
Which other AI APIs return HTTP 401?
Per their official error docs: Anthropic API (401 authentication_error), Azure OpenAI (401 Unauthorized), Cohere API (401 Unauthorized), DeepSeek API (401 - Authentication Fails), Gemini API (401 authentication), Groq API (401 Unauthorized), Mistral API (401 Unauthorized), OpenRouter (401 authentication), Vertex AI (401 UNAUTHENTICATED), xAI API (401 Unauthorized).
Sources
Last verified against 1 source: OpenAI API's official docs and official SDK repositories.
- developers.openai.comhttps://developers.openai.com/api/docs/guides/error-codes
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