openai / openai/codex

unexpected status 404 Not Found: Unknown error, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: a355b4151fb6f1f8-KHH

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app bug connectivity
Dominant language
Rust
Stars
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Forks
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Description

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

owered by Codex & OWL 版本 26.825.51511 发布于 Aug 30, 2026

What subscription do you have?

$200

What platform is your computer?

Mac M1

What issue are you seeing?

unexpected status 404 Not Found: Unknown error, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: a355b4151fb6f1f8-KHH

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What steps can reproduce the bug?
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What is the expected behavior?
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Additional information
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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 at https://chatgpt.com/backend-api/codex/responses using Codex App version 26.825.51511 on a Mac M1 with the reported subscription. Inspect the request path and attached reproduction screenshots; done means the reported workflow no longer returns the unexpected 404 response.

Written by the indexing model from the issue text.

Assessment

Tech stack
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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