Claude API incidents in September 2026

Slowdowns and failures our checks confirmed, newest first. Shorter slow spells only show on the live status page.

Tue 29 Sept
1. DegradedAmsterdam, Mumbai, San Francisco, Singapore, Tokyo, Montreal
  29 Sept, 13:30 UTC, lasted 6 hours · peak 2.31 s, usually 1.50 s
  What happened →
Mon 28 Sept
1. Slower than usualAmsterdam, Mumbai, San Francisco, Tokyo, Montreal
  28 Sept, 21:00 UTC, lasted 2 hours · peak 3.08 s, usually 1.41 s
  What happened →
2. Slower than usualAmsterdam, Mumbai, Singapore, Tokyo, Montreal
  28 Sept, 08:00 UTC, lasted 3.5 hours · peak 2.60 s, usually 1.45 s
  What happened →
Fri 25 Sept
1. DegradedMontreal
  25 Sept, 17:00 UTC, lasted 2 hours · peak 5.68 s, usually 1.55 s
  What happened →

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