[BUG]
Preflight Checklist
- [x] I have searched existing issues and this hasn't been reported yet
- [ ] This is a single bug report (please file separate reports for different bugs)
- [x] I am using the latest version of Claude Code
What's Wrong?
API Error (503 upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, transport failure reason: delayed connect error: Connection refused) · Retrying in 4 seconds… (attempt 4/10)
What Should Happen?
API Error (503 upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, transport failure reason: delayed connect error: Connection refused) · Retrying in 4 seconds… (attempt 4/10)
Error Messages/Logs
API Error (503 upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, transport failure reason: delayed connect error: Connection refused) · Retrying in 4 seconds… (attempt 4/10)Steps to Reproduce
API Error (503 upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, transport failure reason: delayed connect error: Connection refused) · Retrying in 4 seconds… (attempt 4/10)
Claude Model
None
Is this a regression?
Yes, this worked in a previous version
Last Working Version
v2.0.5 Sonnet 4.5 · Claude Max
Claude Code Version
v2.0.5 Sonnet 4.5 · Claude Max
Platform
Anthropic API
Operating System
Ubuntu/Debian Linux
Terminal/Shell
Windows Terminal
Additional Information
_No response_
17 Comments
Getting this error as well
Same
m stuck now !
same
API Error (api.anthropic.com | 525: SSL handshake failed) · Retrying in 4 seconds… (attempt 4/10)
⎿ API Error (api.anthropic.com | 522: Connection timed out) · Retrying in 8 seconds… (attempt 5/10)
⎿ API Error (api.anthropic.com | 522: Connection timed out) · Retrying in 17 seconds… (attempt 6/10)
⎿ API Error (api.anthropic.com | 522: Connection timed out) · Retrying in 35 seconds… (attempt 7/10)
⎿ API Error (api.anthropic.com | 520: Web server is returning an unknown error) · Retrying in 38 seconds… (attempt 8/10)
https://status.claude.com/
<img width="889" height="888" alt="Image" src="https://github.com/user-attachments/assets/8e1c466f-df3b-4d22-91eb-f8339de94da2" />
From https://status.claude.com/:
Does not seem to have fixed Claude Code, I'm getting the same 503 errors as OP.
I'll be fired without Claude Code 🥹 HELP
<img width="1034" height="417" alt="Image" src="https://github.com/user-attachments/assets/c2f8950b-af83-4337-8d32-5686122467c0" />
⎿ 503 upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, transport failure reason: delayed connect error: Connection refused
come on guyyys people are waiting !
Looks like claude code is back up now.
same,because of this, I wasted one quota cycle.
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