SendGrid incident: SMS Delivery Delays from a Subset of Twilio Short Codes to Onvoy Spectrum Mobile United States

Affected components

• SMS Short Code, North America

1. resolvedOct 9, 2026, 15:50 UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States is operating normally.

2. monitoringOct 9, 2026, 15:50 UTC

   We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

3. identifiedOct 9, 2026, 15:42 UTC

   We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

4. investigatingOct 9, 2026, 14:05 UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

5. investigatingOct 9, 2026, 12:59 UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in SendGrid'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

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• Zoom: Service Degradation Affecting Customer Using Polycom Devices Going OfflineMinor · Sep 25, 2026, 17:45 UTC
• Twilio: MMS Delivery Delays from a Subset of Twilio Long Codes to GCI United StatesMinor · Sep 26, 2026, 03:16 UTC
• Clerk: Development instances only - Apple rejecting emailsMinor · Sep 28, 2026, 15:23 UTC
• Grafana Cloud: IRM Unable to Send SMS to Thailand NumbersMinor · Oct 5, 2026, 16:17 UTC
• LiveKit: Investigating reports of elevated RoomService API errorsMinor · Oct 6, 2026, 00:10 UTC
• Twilio: SMS Delivery Delays and Failures from Twilio to Movistar El SalvadorMinor · Oct 6, 2026, 20:59 UTC
• Twilio: SMS Delivery Delays from Twilio to Brisanet BrazilMinor · Oct 7, 2026, 14:02 UTC
• Shopify: Some merchants encountering error messages when trying to login to their adminsMinor · Oct 8, 2026, 14:49 UTC

How often does SendGrid have incidents?

SendGrid reported 460 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 1m. See SendGrid's uptime and incident history