[BUG] Intermittent API 500 Internal Server Error (Feb 25, 2026, Opus 4.6)

Status Closed — duplicate

Maintainer reply None cached

Activity 12 comments · opened Feb 25, 2026 · closed Feb 25, 2026

Bug Description

Experiencing repeated intermittent API 500 Internal Server Errors during Claude Code sessions. The errors disrupt workflow and require retrying.

Error Details

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CYV9chhKZqQzx4qCxQwrA"}

Environment

Claude Code version: latest
Model: claude-opus-4-6
OS: macOS (Darwin 25.3.0)
Date: February 25, 2026

Steps to Reproduce

Use Claude Code normally with Opus 4.6
Errors appear intermittently — not tied to a specific action
Status page (status.claude.com) shows all systems operational during occurrence

Expected Behavior

API requests should succeed or return meaningful error codes, not 500 Internal Server Error.

Additional Context

This appears to be part of an ongoing pattern of 500 errors throughout February 2026. Related issues: #27733, #27559, #15126.

The included request_id (req_011CYV9chhKZqQzx4qCxQwrA) should allow server-side tracing.

View original on GitHub ↗

12 Comments

darioush · 6 months ago

So curious why a retry is not built into the client? Just stops your workflow.

fgasque · 6 months ago

Same issue as well

github-actions[bot] · 6 months ago

Found 3 possible duplicate issues:

This issue will be automatically closed as a duplicate in 3 days.

If your issue is a duplicate, please close it and 👍 the existing issue instead
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🤖 Generated with Claude Code

gregberns · 6 months ago

Getting 500's here as well. About every other call seems to fail.

req_011CYVAJ1Ade1VXT27UHRx4D
req_011CYVAaCWxFQQLoxu8yRhV2
req_011CYVASYv4uvyCvU5mpdoKh
req_011CYV92xsSBRE4XfHABgiTY

hedefalk · 6 months ago

Me too, lots of these today, basically unusable.

andrewakrise · 6 months ago

I think they are changing something, maybe some services, and containers are having downtime.

Because it seems very random

ayushya · 6 months ago

Yes same here

minsechang · 6 months ago

Same

Evan-Guardify · 6 months ago

Bump

bryanmichael-hue · 6 months ago

https://status.claude.com/

NathanR-85 · 6 months ago

Same.....

github-actions[bot] · 5 months ago

This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.