Cursor incident: Elevated errors for Claude Sonnet 5.5

Affected components

• Automations
• CLI
• Cloud Agents
• IDE

1. resolvedOct 26, 2026, 15:25 UTC

   This incident has been resolved.

2. monitoringOct 26, 2026, 14:36 UTC

   We are seeing improvement for Claude Sonnet 5.5 requests. We are continuing to monitor the situation. Some users may still see occasional errors when using this model.

3. investigatingOct 26, 2026, 14:02 UTC

   We are investigating elevated errors affecting requests to Sonnet 5.5. Some users may see failed or rate-limited responses when using this model.

What APIStatus.watch saw

• Oct 26, 2026, 14:04 UTCoperational → degraded
• Oct 26, 2026, 15:29 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

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• Akamai: Edge Delivery issues between Indonesia and SingaporeMinor · Oct 25, 2026, 13:44 UTC
• Linode: Connectivity Issue between ID-CGK (Jakarta) and SG-SIN-2 (Singapore 2)Minor · Oct 25, 2026, 13:54 UTC
• Twilio: SMS Delivery Delays from Twilio to Cellcom IsraelMinor · Oct 26, 2026, 00:49 UTC
• Twilio: Voice Call Failures from Twilio Phone Numbers to RomaniaMinor · Oct 26, 2026, 13:09 UTC
• Twilio: SMS Delivery Delays and Failures from Twilio to Mauritel MauritaniaMinor · Oct 26, 2026, 14:20 UTC
• Resend: Delayed email status updatesMinor · Oct 26, 2026, 14:34 UTC
• Twilio: WhatsApp Sandbox Sending Configuration IssuesMinor · Oct 26, 2026, 15:00 UTC

How often does Cursor have incidents?

Cursor reported 84 incidents in the last 90 days, 23 of them major or critical. A typical incident lasted 1h 20m. See Cursor's uptime and incident history