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Unable to use codex at all – neither via API keys nor via web login #3409

Closed as not planned
Closed as not planned
Unable to use codex at all – neither via API keys nor via web login#3409
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bugSomething isn't working

Description

@rr-
rr-
opened on Sep 10, 2025

What version of Codex is running?

codex-cli 0.31.0

Which model were you using?

codex-mini-latest

What platform is your computer?

Linux 6.15.9-arch1-1 x86_64 unknown

What steps can reproduce the bug?

WEB LOGIN

  1. Run codex
  2. Sign in with ChatGPT
  3. (See the link opened in the browser, OR click it manually, both lead to the same outcome)
  4. Log in with Google
  5. Redirects go brrr
  6. Token exchange failed: error sending request for url (https://auth.openai.com/oauth/token). The CLI continues to wait for a confirmation which never arrives.
Image

API LOGIN

  1. Set OPENAI_API_KEY either to OPENAI_API_KEY=sk-proj-… or OPENAI_API_KEY=sk-mym…
  2. Launch codex
  3. Use preferred_auth_method="apikey" in config.toml OR confirm that yes I want to use pay as I go payment method associated with API keys
  4. Prompt "test"
  5. Wait around 30 s
  6. ⚠️ stream error: error sending request for url (https://api.openai.com/v1/responses); retrying 1/5 in 188ms…

What is the expected behavior?

I can use Codex

What do you see instead?

Currently I'm not able to use Codex in any way

Additional information

No response

Activity

  1. rr-
    added
    bugSomething isn't working
    on Sep 10, 2025

  2. rr- commented on Sep 10, 2025

    @rr-
    rr-
    on Sep 10, 2025
    Author

    ISP issue on my part. Changing my DNS to 8.8.8.8 fixed the issue. Found this out with the help of tcpdump.

  3. rr-
    closed this as not plannedon Sep 10, 2025

  4. Harry-maximum commented on Sep 26, 2025

    @Harry-maximum
    Harry-maximum
    on Sep 26, 2025

    lol the same, has nothing to do with this OAuth shit

  5. kevit-ashish-chandpa commented on Oct 9, 2025

    @kevit-ashish-chandpa
    kevit-ashish-chandpa
    on Oct 9, 2025

    ISP issue on my part. Changing my DNS to 8.8.8.8 fixed the issue. Found this out with the help of tcpdump.

    Thanks @rr- ,
    It’s working as expected for me. If you’re facing issues, please ensure that port 443 is open on your system.

  6. steveepreston commented on Nov 30, 2025

    @steveepreston
    steveepreston
    on Nov 30, 2025

    Issue still exists and not resolved by setting DNS or opening 443 port

    Update: Resolved by turning off the WSL mode

  7. pickmao commented on Feb 23, 2026

    @pickmao
    pickmao
    on Feb 23, 2026

    maybe your system env is wrong.

  8. Harry-maximum commented on Feb 24, 2026

    @Harry-maximum
    Harry-maximum
    on Feb 24, 2026

    maybe your system env is wrong.

    I solved the problem, because of some reasons in China, we cannot use the full Internet, after I open the TUN mode of my clash Verge, codex login succeeded and works fine, thanks for that

  9. andreykaone commented on Jun 5, 2026

    @andreykaone
    andreykaone
    on Jun 5, 2026

    Also have this issue. I use Happ app, and selecting TUN mode in a client helps me resolve this one

    Image
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