# The Down Index, 2026-W21

The week's worst incidents, scored 0-100 (impact 30, breadth 20, duration 15, reach 20, acknowledgement 15). [Methodology](https://down.guide/rankings/methodology).

1. **63** Anthropic: [Elevated error rate on multiple models](https://down.guide/anthropic/DWN-6a97a286a2) (Partial outage, 4h 34m)
2. **60** Anthropic: [Elevated errors on Claude Opus 4.7](https://down.guide/anthropic/DWN-3add2f0ad0) (Partial outage, 1h 38m)
3. **55** Anthropic: [Elevated errors for Claude Opus 4.7](https://down.guide/anthropic/DWN-d4c0236a76) (Partial outage, 9m)
4. **53** Vapi: [Voice calls dropped and dashboard unavailable](https://down.guide/vapi/DWN-a65baf2cd6) (Major outage, 8d 6h)
5. **51** Anthropic: [Elevated errors on Claude Haiku 4.5](https://down.guide/anthropic/DWN-1823ea53b4) (Degraded, 1h 55m)
6. **50** Anthropic: [Elevated errors on Claude Haiku 4.5](https://down.guide/anthropic/DWN-c9700c671c) (Degraded, 1h 31m)
7. **50** Anthropic: [Elevated errors on Claude Opus 4.7](https://down.guide/anthropic/DWN-24923f3ae4) (Degraded, 1h 27m)
8. **49** SerpApi: [Google APIs Downtime](https://down.guide/serpapi/DWN-796a772bbf) (Major outage, 2h 59m)
9. **49** Scaleway: [FR-PAR-2 connectivity loss](https://down.guide/scaleway/DWN-5633c77302) (Major outage, 1d 3h)
10. **48** Anthropic: [Elevated errors on Claude Haiku 4.5](https://down.guide/anthropic/DWN-17519ae555) (Degraded, 35m)
11. **48** Bunny.net: [DNS issues with bunny.net](https://down.guide/bunny/DWN-53222f6c94) (Partial outage, 1h 41m)
12. **46** Anthropic: [Elevated errors on Claude Opus 4.7](https://down.guide/anthropic/DWN-f54c97315d) (Degraded, 1h 21m)
13. **46** Coda: [Document search is unavailable](https://down.guide/coda/DWN-d685c3732a) (Major outage, 2d 2h)
14. **46** Anthropic: [Elevated errors on Claude Opus 4.7](https://down.guide/anthropic/DWN-d057d521ed) (Degraded, 14m)
15. **46** AWS: [ROUTE53 (global): Increased API Error Rates](https://down.guide/aws/DWN-cc15031507) (Degraded, 35m)
16. **45** SerpApi: [\[Google Flights API\] \`deep\_search\` search parameter causing search timeouts](https://down.guide/serpapi/DWN-da60af767f) (Major outage, 22h 32m)
17. **44** Infura: [Perps Trading outage](https://down.guide/infura/DWN-4b32b66f20) (Major outage, 8h 11m)
18. **43** Intercom: [Stale reporting data](https://down.guide/intercom/DWN-afce7b99e9) (Degraded, 8h 17m)
19. **42** BigCommerce: [Availability Issues](https://down.guide/bigcommerce/DWN-9f826f62ca) (Partial outage, 4h 21m)
20. **42** Scaleway: [\[Identity and Access Management\] - \[world\] API unavailable](https://down.guide/scaleway/DWN-d9ce7f0315) (Major outage, 3h 14m)
21. **42** Slack: [Trouble uploading files and emojis in Slack](https://down.guide/slack/DWN-a71e3052c5) (Degraded, 1h 36m)
22. **42** Netlify: [Elevated response times affecting origin services](https://down.guide/netlify/DWN-502360558b) (Major outage, 1h 56m)
23. **42** Google Workspace: [Summary](https://down.guide/google-workspace/DWN-62f658a6c9) (Partial outage, 8h 47m)
24. **41** Google Workspace: [Summary](https://down.guide/google-workspace/DWN-4e5ce5f291) (Partial outage, 5h 35m)
25. **41** Optimizely: [Flags permission issue.](https://down.guide/optimizely/DWN-f262e55f21) (Major outage, 1h 48m)

Previous week: https://down.guide/rankings/2026-W20; next week: https://down.guide/rankings/2026-W22

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