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OpenRouter error

OpenRouter 403 refusal: what it means and how to fix it

Error message
403 refusal

Retry? Not statedLast verified 1 documented fix1 source

What it means

The provider reported a model refusal as an error rather than as output. error.message carries the provider's explanation when available. A refusal the model returns as completed output is not an error.

Causes

  • Provider returned a refusal or usage-policy error envelope

How to fix it

  1. Fix 1.

    Read error.message and metadata.provider_name for the provider's explanation; fallback to another model runs before output is returned when routing allows it.

More OpenRouter errors

All 32 OpenRouter errors

HTTP 403 at other providers

Compare 403 across providers

FAQ

What does the OpenRouter error "403 refusal" mean?

The provider reported a model refusal as an error rather than as output. error.message carries the provider's explanation when available. A refusal the model returns as completed output is not an error.

How do I fix OpenRouter "403 refusal"?

Read error.message and metadata.provider_name for the provider's explanation; fallback to another model runs before output is returned when routing allows it.

Should I retry OpenRouter "403 refusal"?

Not stated. The official docs do not say whether this error is retryable.

Which other AI APIs return HTTP 403?

Per their official error docs: Amazon Bedrock (403 AccessDeniedException; 403 InvalidClientTokenId; 403 MPAgreementBeingCreated; 403 AWS Marketplace Agreement Failed within 15 minutes; 403 AWS Marketplace Agreement Pending after 15 minutes), Anthropic API (403 permission_error), Azure OpenAI (403 Forbidden (network access denied); 403 Forbidden (resource has been temporarily blocked)), Gemini API (403 permission_denied; 403 PERMISSION_DENIED), Groq API (403 Forbidden), Mistral API (403 Forbidden), OpenAI API (403 Country, region, or territory not supported; 403 PermissionDeniedError), Vertex AI (403 PERMISSION_DENIED), xAI API (403 Forbidden).

Sources

Last verified against 1 source: OpenRouter's official docs and official SDK repositories.

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