# What broke September 7 to September 13, 2026

- Incidents: 348; major outages: 28
- Downtime: 25d 23h across providers

## Days
- [Mon, Sep 7](https://down.guide/recaps/2026-09-07): 49 incidents, 10 major outages
- [Tue, Sep 8](https://down.guide/recaps/2026-09-08): 77 incidents, 3 major outages
- [Wed, Sep 9](https://down.guide/recaps/2026-09-09): 63 incidents, 5 major outages
- [Thu, Sep 10](https://down.guide/recaps/2026-09-10): 72 incidents, 4 major outages
- [Fri, Sep 11](https://down.guide/recaps/2026-09-11): 59 incidents, 3 major outages
- [Sat, Sep 12](https://down.guide/recaps/2026-09-12): 20 incidents, 0 major outages
- [Sun, Sep 13](https://down.guide/recaps/2026-09-13): 8 incidents, 3 major outages

## The Down Index
[The full table](https://down.guide/rankings/2026-W37), worst first.

- **GitHub Pages**: [Incident with several GitHub Services](https://down.guide/github-pages/DWN-4875994383) (Major outage; lasted 1h 29m; started 2026-09-13 09:16 UTC; API Requests, Issues, Pull Requests +2)
- **Telnyx**: [Issues affecting call audio quality](https://down.guide/telnyx/DWN-630c19a208) (Partial outage; lasted 9h 43m; started 2026-09-10 16:00 UTC; Sydney, Australia, Toronto, Canada, San Jose, CA +10; apac, au, ca, eu)
- **Anthropic**: [Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1](https://down.guide/anthropic/DWN-d059b784b3) (Partial outage; lasted 17m; started 2026-09-11 14:19 UTC; claude.ai, Claude API (api.anthropic.com), Claude Code +1)
- **Anthropic**: [Degraded functionality for Claude Cowork on Windows](https://down.guide/anthropic/DWN-01e171c9bd) (Partial outage; lasted 4d 3h; started 2026-09-10 15:54 UTC; Claude Cowork; us)
- **SerpApi**: [Performance Degradation](https://down.guide/serpapi/DWN-4ec622f424) (Major outage; lasted 7d 6h; started 2026-09-10 15:59 UTC; API, Search API, Search API +17; us)
- **Snowflake**: [Databases, Tables, and Views affected](https://down.guide/snowflake/DWN-29d2a608a3) (Major outage; lasted 6h 1m; started 2026-09-11 07:18 UTC; Databases, Tables, and Views, Databases, Tables, and Views; apac)
- **Census**: [App failing to load](https://down.guide/census/DWN-1592b8b940) (Major outage; lasted 52m; started 2026-09-09 16:41 UTC; Census Sync Management UI)
- **Pulumi Cloud**: [Neo Outage](https://down.guide/pulumi/DWN-da7f3cc428) (Major outage; lasted 6h 18m; started 2026-09-11 18:02 UTC; Pulumi Neo)
- **Slack**: [Trouble loading Workspace-level Apps & Workflows settings page is returning blank pages](https://down.guide/slack/DWN-a366792ed4) (Degraded; lasted 2h 40m; started 2026-09-10 00:34 UTC; Apps/Integrations/APIs)
- **Bandwidth**: [Port Order Delays - Toll Free Numbers](https://down.guide/bandwidth/DWN-2355581ad6) (Major outage; lasted 4h 28m; started 2026-09-08 13:36 UTC; Number Porting)

## Other weeks
- [Previous week: Aug 31 to Sep 6, 2026](https://down.guide/recaps/2026-W36)
- [Next week: Sep 14 to Sep 20, 2026](https://down.guide/recaps/2026-W38)

---
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