unexpected status 401 Unauthorized: Missing Authentication header, url: https://openrouter.ai/api/v1/responses, cf-ray: 9d8b2dd4eb1d5671-AMS
Resolved 💬 2 comments Opened Mar 7, 2026 by ronithrashmikara Closed Mar 7, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of the Codex App are you using (From “About Codex” dialog)?
latest
What subscription do you have?
free
What platform is your computer?
Microsoft Windows NT 10.0.26200.0 x64
What issue are you seeing?
Just Installed the codex application it tries to reconnect and also tried the cli same error
unexpected status 401 Unauthorized: Missing Authentication header, url: https://openrouter.ai/api/v1/responses, cf-ray: 9d8b2dd4eb1d5671-AMS
<img width="575" height="420" alt="Image" src="https://github.com/user-attachments/assets/6e56a6cb-fd90-444f-bc80-2e7fa1e5b5ac" />
What steps can reproduce the bug?
Don't know
I tried clearing all the env variables related to api keys , tried deleting the auth file too didn't work relogged in many times error persists
What is the expected behavior?
_No response_
Additional information
_No response_
2 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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This may be an issue with openrouter, but it might also be #12764.