Frequent 500 Internal Server Errors - API instability (2025-02-25)

Resolved 💬 4 comments Opened Feb 25, 2026 by IJOL Closed Feb 25, 2026

Description

Experiencing constant 500 Internal Server Errors from the Anthropic API while using Claude Code CLI today (2025-02-25).

Error Details

API Error: 500
{"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CYV9kdgwZXYr69Uquj7Mo"}

Environment

  • Claude Code CLI (latest version)
  • Model: Claude Opus 4.6
  • OS: Linux (Ubuntu)
  • Date: 2025-02-25

Impact

The errors are frequent and disrupt normal workflow, making it difficult to use Claude Code for development tasks.

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