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Claude API disruption on 8 October 2026

Claude API from Amsterdam, Mumbai, San Francisco, Montreal: degraded checks; 2026-10-08 05:00 UTC to 2026-10-08 07:00 UTC: peak first visible token 7.39 s vs a usual 1.25 s.

What our checks saw
Degraded
Cities affected
Amsterdam, Mumbai, San Francisco, Montreal
When
to
How long
2 hours
Slowest check
7.39 s, usually 1.25 s
Anthropic's status page
Open it

Where our checks saw it

Each glowing city had slow or failing checks during the incident, shown at its worst. We test from 6 cities, so other places may have been hit too.

Our checks, city by city

Each point is one check every 30 minutes, from three hours before the incident to three hours after. Coloured points are the checks we counted as slower or failing. The shaded area shows how far above the usual time they were. Not affected: Singapore, Tokyo.

Amsterdam

Incident0 ms7.50 s15.00 s02:0005:0008:00
Each check (UTC)Usual (1.17 s)Much slower, or failingIncident
Every check as a table
Time (UTC)CheckReading
02:00888 msNormal
02:30897 msNormal
03:00924 msNormal
03:30959 msNormal
04:00912 msNormal
04:30881 msNormal
05:0013.62 sMuch slower, or failing
05:30900 msNormal
06:00933 msNormal
06:30930 msNormal
07:00912 msNormal
07:30929 msNormal
08:00979 msNormal
08:30942 msNormal
09:00950 msNormal
09:30958 msNormal
10:00886 msNormal

San Francisco

Incident0 ms7.50 s15.00 s02:0005:0008:00
Each check (UTC)Usual (1.05 s)Much slower, or failingIncident
Every check as a table
Time (UTC)CheckReading
02:00839 msNormal
02:30884 msNormal
03:00842 msNormal
03:30858 msNormal
04:00849 msNormal
04:30850 msNormal
05:0013.58 sMuch slower, or failing
05:30820 msNormal
06:00856 msNormal
06:30871 msNormal
07:00865 msNormal
07:30896 msNormal
08:00878 msNormal
08:30857 msNormal
09:00818 msNormal
09:30877 msNormal
10:00865 msNormal

Montreal

Incident0 ms7.50 s15.00 s02:0005:0008:00
Each check (UTC)Usual (1.05 s)Much slower, or failingIncident
Every check as a table
Time (UTC)CheckReading
02:00830 msNormal
02:30847 msNormal
03:00817 msNormal
03:30844 msNormal
04:00896 msNormal
04:30856 msNormal
05:0012.96 sMuch slower, or failing
05:30808 msNormal
06:00812 msNormal
06:30855 msNormal
07:00851 msNormal
07:30834 msNormal
08:00949 msNormal
08:30829 msNormal
09:00766 msNormal
09:30846 msNormal
10:00878 msNormal

Mumbai

Incident0 ms10.00 s20.00 s02:0005:0008:00
Each check (UTC)Usual (1.25 s)Much slower, or failingIncident
Every check as a table
Time (UTC)CheckReading
02:001.06 sNormal
02:301.06 sNormal
03:001.02 sNormal
03:301.06 sNormal
04:001.04 sNormal
04:301.05 sNormal
05:0013.72 sMuch slower, or failing
05:301.02 sNormal
06:001.01 sNormal
06:301.06 sNormal
07:001.04 sNormal
07:301.09 sNormal
08:001.08 sNormal
08:301.02 sNormal
09:001.07 sNormal
09:301.08 sNormal
10:001.05 sNormal

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