Claude incident: Elevated errors on Claude.ai

1. resolvedMay 21, 2026, 21:08 UTC

   This incident has been resolved.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Claude's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

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• Linode: [DirtyFrag] Linux Privilege Escalation VulnerabilityMinor · May 8, 2026, 13:40 UTC
• Linode: [Fragnesia] Linux Privilege Escalation VulnerabilityMinor · May 13, 2026, 21:02 UTC
• Twilio: Subset of AU Sender ID Registration Submissions Directly Transitioning to REJECTEDMinor · May 15, 2026, 20:51 UTC
• Akamai: Reporting Issues affecting URL Traffic and URL Responses reportsMinor · May 19, 2026, 10:13 UTC
• Twilio: SMS Delivery Delays From Twilio to Multiple Networks in Multiple Countries in EuropeMinor · May 19, 2026, 13:21 UTC
• Twilio: SMS Delivery Delays from Twilio Phone Numbers to GTA Wireless United StatesMinor · May 19, 2026, 22:35 UTC
• Twilio: SMS Delivery Failures from Network Subscribers to Twilio Denmark Phone NumbersMinor · May 20, 2026, 07:58 UTC
• Vercel: Elevated Build ErrorsMinor · May 21, 2026, 15:01 UTC
• Twilio: SMS Delivery Delays from a Subset of Twilio Long Codes and Toll-Free Numbers to Viaero United StatesMinor · May 21, 2026, 17:35 UTC

How often does Claude have incidents?

Claude reported 84 incidents in the last 90 days, 32 of them major or critical. A typical incident lasted 1h 6m. See Claude's uptime and incident history