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ERROR

401 Unauthorized

Check API key formatting, Authorization header, and whether the key is active.

Quick start

  1. Read the error message and request ID.
  2. Check key group and model compatibility.
  3. Retry with lower concurrency when appropriate.
  4. Contact support with the request ID if the issue persists.

FAQ

Should I retry immediately?

Retry only for transient capacity or rate-limit errors. Authentication and permission errors require configuration changes.

Is FlowAPI OpenAI compatible?

Yes. Use https://www.flowapi.online/v1 as the base URL with your FlowAPI key.

Can I use existing SDKs?

Yes. Most OpenAI-compatible SDKs and tools work by changing the base URL and API key.

Where do I manage keys and usage?

Create keys, monitor usage, and view billing in the FlowAPI dashboard.

Related FlowAPI pages