claude-code - 💡(How to fix) Fix API 500 Internal Server Error on every request [1 comments, 1 participants]

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anthropics/claude-code#48620Fetched 2026-04-16 06:55:29
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Error Message

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

Code Example

API Error: 500
{"type":"error","error":{"type":"api_error","message":"Internal server error"}}
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Describe the bug

Every request via Claude Code returns a 500 Internal Server Error.

Error message

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

Steps to reproduce

  1. Run any prompt in Claude Code
  2. Observe 500 error on every request

Environment

  • Using Claude Code with claude.ai account directly (not API key)
  • Issue affects 100% of requests

Expected behavior

Requests should complete successfully.

Additional context

Checked status.anthropic.com - no active incidents listed. Request ID from error: req_011Ca5k61REPFRbReL4GVit1

extent analysis

TL;DR

Investigate the request processing in Claude Code to identify the cause of the 500 Internal Server Error.

Guidance

  • Verify the request payload and parameters to ensure they are correctly formatted and valid, as this could be causing the internal server error.
  • Check the Claude Code documentation for any known issues or limitations that might be contributing to the error.
  • Use the provided Request ID (req_011Ca5k61REPFRbReL4GVit1) to potentially retrieve more detailed error information or logs from the Claude Code system.
  • Consider reaching out to the Claude Code support team or checking their community forums for similar issues and potential workarounds.

Notes

The issue seems to be specific to the Claude Code integration and not related to the API key usage, as the error occurs when using the claude.ai account directly.

Recommendation

Apply workaround: Given the lack of specific technical details, it's challenging to provide a direct fix. However, applying a workaround such as modifying the request payload or parameters based on the Claude Code documentation and known issues might help mitigate the problem.

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claude-code - 💡(How to fix) Fix API 500 Internal Server Error on every request [1 comments, 1 participants]