API Error 500 - Internal server error occurring repeatedly

Status Fixed / completed
Reported on v2.1.109
Maintainer reply None cached
Activity 4 comments · opened Apr 15, 2026 · closed Apr 15, 2026

Preflight Checklist

  • [x] I have searched existing issues and this hasn't been reported yet
  • [x] 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?

Description

I'm getting repeated 500 Internal Server Error responses from the API.

## Error details

  • Error type: api_error
  • Message: Internal server error
  • Request ID: req_011Ca5kNF6wpupoM4wnQeMwn

## Environment

  • OS: Windows 11
  • Claude Code version: [tu versión, la ves con claude --version]
  • Model: claude-opus-4-6

## Steps to reproduce

  1. Using Claude Code normally
  2. The error appears repeatedly during conversation

## Expected behavior
Normal API responses without 500 errors

What Should Happen?

API should return normal responses without 500 errors during regular conversation.

Error Messages/Logs

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5kNF6wpupoM4wnQeMwn"}

Steps to Reproduce

  1. Open Claude Code in terminal
  2. Start a normal conversation
  3. Send any message
  4. Error 500 appears repeatedly

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.109 (Claude Code)

Platform

Other

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

The error occurs intermittently but frequently during normal usage. No specific action triggers it consistently.

View original on GitHub ↗

4 Comments

Jeepzh · 6 months ago

<img width="693" height="203" alt="Image" src="https://github.com/user-attachments/assets/ce2f0bbb-ae87-4276-be46-537eed8c74e3" />

Hey,
I have exactly the same issue today

yohio · 6 months ago

Same exact issue on my end.

github-actions[bot] · 6 months ago

Found 3 possible duplicate issues:

  1. https://github.com/anthropics/claude-code/issues/48622
  2. https://github.com/anthropics/claude-code/issues/48620
  3. https://github.com/anthropics/claude-code/issues/48633

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
  • To prevent auto-closure, add a comment or 👎 this comment

🤖 Generated with Claude Code

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.