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Cohere API error

Cohere API 401 Unauthorized: what it means and how to fix it

Error message
401 Unauthorized

Retry? Not statedLast verified 1 documented fix1 source

What it means

401 responses are sent when the API key is missing, invalid or has expired.

Causes

  • No API key supplied ("no api key supplied")
  • Invalid API key ("invalid api token")
  • Expired API key ("Your API key has expired. Please create a production key at dashboard.cohere.com or reach out to your contact at Cohere to continue usage.")

How to fix it

  1. Fix 1.

    Ensure that you are providing a valid API key.

More Cohere API errors

HTTP 401 at other providers

Compare 401 across providers

FAQ

What does the Cohere API error "401 Unauthorized" mean?

401 responses are sent when the API key is missing, invalid or has expired.

How do I fix Cohere API "401 Unauthorized"?

Ensure that you are providing a valid API key.

Should I retry Cohere API "401 Unauthorized"?

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), DeepSeek API (401 - Authentication Fails), Gemini API (401 authentication), Groq API (401 Unauthorized), Mistral API (401 Unauthorized), OpenAI API (401 Invalid Authentication; 401 Incorrect API key provided; 401 You must be a member of an organization to use the API; 401 IP not authorized), OpenRouter (401 authentication), Vertex AI (401 UNAUTHENTICATED), xAI API (401 Unauthorized).

Sources

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

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