# Elevated errors for Claude Sonnet 5.5

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 41m
- started 2026-10-27 15:09 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-3eb522fd21
- Official page: https://stspg.io/39x7qh3sd7bd

## Updates from Anthropic
### 2026-10-27 15:09 UTC: identified
We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

### 2026-10-27 15:50 UTC: resolved
The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 07:42 PT / 14:42 UTC to 08:17 PT / 15:17 UTC.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by Sazabi (https://sazabi.com/?utm_source=down-guide&utm_medium=markdown).