openai / openai/codex

unexpected status 404 Not Found: Unknown error, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: a355b27328e937cd-BKK

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app bug connectivity
Dominant language
Rust
Stars
125k
Forks
19.4k
PR merge metrics
PR metrics pending

Description

What version of the Codex App are you using (From “About Codex” dialog)?

Codex 5.6 Terra

What subscription do you have?

Pro

What platform is your computer?

MacOS

What issue are you seeing?

unexpected status 404 Not Found: Unknown error, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: a355b27328e937cd-BKK

What steps can reproduce the bug?

unexpected status 404 Not Found: Unknown error, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: a355b27328e937cd-BKK

What is the expected behavior?

No response

Additional information

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the 404 request from Codex 5.6 Terra on macOS against https://chatgpt.com/backend-api/codex/responses, then inspect the request path and error handling associated with that endpoint. Done means identifying a project-side cause and confirming that the request no longer produces the reported 404, or documenting why it is external to Codex.

Written by the indexing model from the issue text.

Assessment

Tech stack
macos, rust
Domain
api, backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
35/100

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