Anthropic outage on May 4 58-minute disruption
May 4, 02:03 PM → May 4, 03:02 PM · 58 minutes · high
On May 4, 2026, Anthropic experienced a service disruption. This incident was detected through user reports. The issue was resolved at 2026-05-04T15:02:59.504Z, after approximately 58 minutes.
Impact
Users reported issues with Anthropic services, leading to a high-severity incident. The most frequently reported issue types included AI API issues, slow/unresponsive service, and general API issues. A total of 26 reports were received during the incident, with a peak of 13 reports within a 15-minute period. No specific regional impact was recorded.
Top reported issues
- AI API issues15
- Slow / unresponsive8
- API issues3
Incident timeline
- May 4, 02:03 PM
PulseWatch detected elevated report volume (high severity)
- May 4, 02:08 PM
Status updated: major issue
- May 4, 02:13 PM
Status updated: major issue
- May 4, 02:15 PM
Peak of 10 reports in 15 minutes (baseline 1.3)
- May 4, 02:22 PM
Status updated: possible issue
- May 4, 02:28 PM
Status updated: major issue
- May 4, 02:38 PM
Status updated: possible issue
- May 4, 02:43 PM
Status updated: major issue
- May 4, 03:02 PM
Report volume returned to baseline — incident resolved
Official updates
- May 4, 02:03 PM
Anthropic status page acknowledged the incident.
View official source