Claude API disruption on 1 October 2026

Claude API from Amsterdam, Mumbai, San Francisco, Singapore, Tokyo, Montreal: degraded checks; 2026-10-01 01:00 UTC to 2026-10-01 03:30 UTC: peak first visible token 7.15 s vs a usual 1.45 s.

What our checks saw: Degraded
Cities affected: Amsterdam, Mumbai, San Francisco, Singapore, Tokyo, Montreal
When: 1 Oct, 01:00 UTC to 1 Oct, 03:30 UTC
How long: 2.5 hours
Slowest check: 7.15 s, usually 1.45 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.

Amsterdam

Each check (UTC)Usual (1.45 s)Much slower, or failingSlow check outside the incidentIncident

Every check as a table

Time (UTC)	Check	Reading
22:00	1.41 s	Normal
22:30	1.21 s	Normal
23:00	1.74 s	Normal
23:30	1.48 s	Normal
00:00	1.45 s	Normal
00:30	1.61 s	Normal
01:00	4.83 s	Much slower, or failing
01:30	5.53 s	Much slower, or failing
02:00	1.76 s	Normal
02:30	1.17 s	Normal
03:00	1.38 s	Normal
03:30	1.36 s	Normal
04:00	1.19 s	Normal
04:30	1.25 s	Normal
05:00	2.87 s	Slower than usual
05:30	1.15 s	Normal
06:00	1.21 s	Normal
06:30	1.16 s	Normal

San Francisco

Each check (UTC)Usual (1.30 s)Much slower, or failingIncident

Every check as a table

Time (UTC)	Check	Reading
22:00	1.38 s	Normal
22:30	1.19 s	Normal
23:00	1.37 s	Normal
23:30	1.54 s	Normal
00:00	1.37 s	Normal
00:30	1.48 s	Normal
01:00	5.21 s	Much slower, or failing
01:30	4.68 s	Much slower, or failing
02:00	1.47 s	Normal
02:30	996 ms	Normal
03:00	1.27 s	Normal
03:30	1.31 s	Normal
04:00	1.26 s	Normal
04:30	1.04 s	Normal
05:00	974 ms	Normal
05:30	966 ms	Normal
06:00	1.13 s	Normal
06:30	989 ms	Normal

Montreal

Each check (UTC)Usual (1.29 s)Much slower, or failingSlow check outside the incidentIncident

Every check as a table

Time (UTC)	Check	Reading
22:00	1.27 s	Normal
22:30	1.24 s	Normal
23:00	1.45 s	Normal
23:30	1.30 s	Normal
00:00	1.41 s	Normal
00:30	1.50 s	Normal
01:00	5.01 s	Much slower, or failing
01:30	5.92 s	Much slower, or failing
02:00	1.38 s	Normal
02:30	1.00 s	Normal
03:00	1.44 s	Normal
03:30	1.46 s	Normal
04:00	1.04 s	Normal
04:30	1.09 s	Normal
05:00	1.05 s	Normal
05:30	2.05 s	Slower than usual
06:00	1.98 s	Slower than usual
06:30	1.24 s	Normal

Singapore

Each check (UTC)Usual (1.45 s)Much slower, or failingIncident

Every check as a table

Time (UTC)	Check	Reading
22:00	1.43 s	Normal
22:30	1.39 s	Normal
23:00	1.61 s	Normal
23:30	1.90 s	Normal
00:00	1.52 s	Normal
00:30	1.63 s	Normal
01:00	4.83 s	Much slower, or failing
01:30	9.47 s	Much slower, or failing
02:00	1.48 s	Normal
02:30	1.18 s	Normal
03:00	1.38 s	Normal
03:30	1.66 s	Normal
04:00	1.27 s	Normal
04:30	1.25 s	Normal
05:00	1.15 s	Normal
05:30	1.13 s	Normal
06:00	1.17 s	Normal
06:30	1.09 s	Normal

Tokyo

Each check (UTC)Usual (1.33 s)Much slower, or failingIncident

Every check as a table

Time (UTC)	Check	Reading
22:00	1.33 s	Normal
22:30	1.27 s	Normal
23:00	1.50 s	Normal
23:30	1.46 s	Normal
00:00	1.33 s	Normal
00:30	1.59 s	Normal
01:00	8.79 s	Much slower, or failing
01:30	4.90 s	Much slower, or failing
02:00	1.39 s	Normal
02:30	1.09 s	Normal
03:00	1.43 s	Normal
03:30	1.46 s	Normal
04:00	1.23 s	Normal
04:30	1.03 s	Normal
05:00	1.09 s	Normal
05:30	1.14 s	Normal
06:00	1.14 s	Normal
06:30	1.04 s	Normal

Mumbai

Each check (UTC)Usual (1.45 s)Much slower, or failingIncident

Every check as a table

Time (UTC)	Check	Reading
22:00	1.52 s	Normal
22:30	1.41 s	Normal
23:00	1.50 s	Normal
23:30	1.60 s	Normal
00:00	1.37 s	Normal
00:30	1.61 s	Normal
01:00	5.13 s	Much slower, or failing
01:30	8.30 s	Much slower, or failing
02:00	1.94 s	Normal
02:30	1.20 s	Normal
03:00	1.56 s	Normal
03:30	1.50 s	Normal
04:00	1.28 s	Normal
04:30	1.61 s	Normal
05:00	1.22 s	Normal
05:30	1.19 s	Normal
06:00	1.16 s	Normal
06:30	1.18 s	Normal

How fast is your API around the world?

Run a free speed test from multiple cities and find out where your users are waiting. No setup, no account required.

Test my API

No account required · Takes about 30 seconds.