Datadog incident: Delayed Monitors Notifications

Affected components

• Monitors

1. resolvedSep 21, 2026, 10:30 UTC

   The issue is now resolved.

2. monitoringSep 21, 2026, 10:22 UTC

   We are monitoring the issue.

3. identifiedSep 21, 2026, 10:00 UTC

   We identified the issue and is working on a fix.

4. investigatingSep 21, 2026, 09:44 UTC

   We are investigating delayed evaluations for metric, service check, composite, and SLO monitors in US1 which began at Sep 21, 2026, 9:18 AM UTC.

What APIStatus.watch saw

• Sep 21, 2026, 09:45 UTCoperational → degraded
• Sep 21, 2026, 10:25 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Shippo: Axlehire tracking disruptionsMajor · Sep 20, 2026, 12:17 UTC
• Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to Hong KongMinor · Sep 12, 2026, 00:16 UTC
• Twilio: SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto RicoMinor · Sep 20, 2026, 17:47 UTC
• Twilio: SMS Delivery Delays from Twilio to Telemat Cel BrazilMinor · Sep 20, 2026, 22:28 UTC
• Twilio: Voice Call Post Dial Delay from Twilio Phone Numbers to Jazz PakistanMinor · Sep 21, 2026, 06:10 UTC
• Cloudflare: Unable to register certain domainsMinor · Sep 21, 2026, 09:37 UTC
• Twilio: Voice Call Failures from Network Subscribers to a Subset of Twilio Israel Phone NumbersMinor · Sep 21, 2026, 09:51 UTC
• Vimeo: Vimeo Record is degradedMinor · Sep 21, 2026, 09:55 UTC

How often does Datadog have incidents?

Datadog reported 12 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 47 min. See Datadog's uptime and incident history