API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CXmPxB18vUhfiqmh7azmx"}

Resolved 💬 4 comments Opened Feb 3, 2026 by zertyn-dev Closed Feb 3, 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?

When sending a message to claude code, the error shows up.

What Should Happen?

Should correctly connect to the api

Error Messages/Logs

API Error: 500                                                              
    {"type":"error","error":{"type":"api_error","message":"Internal server      
    error"},"request_id":"req_011CXmPxB18vUhfiqmh7azmx"}

Steps to Reproduce

  1. initialize claude code
  2. send any instruction

Claude Model

Not sure / Multiple models

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.29 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_

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