SendGrid incident: SMS and MMS Delivery Receipt Delays from Twilio to AT&T United States

Affected components

• MMS Long Code, North America
• MMS Short Code, North America
• MMS Toll-Free, North America
• SMS Long Code, North America
• SMS Short Code, North America
• SMS Toll-Free, North America

1. monitoringOct 7, 2026, 20:43 UTC

   We have observed a recovery in SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

2. monitoringOct 7, 2026, 18:40 UTC

   We have observed a recovery in SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

3. identifiedOct 7, 2026, 16:44 UTC

   Twilio customers may be experiencing SMS and MMS Delivery Receipt Delays from Twilio to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

4. identifiedOct 7, 2026, 15:41 UTC

   Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

5. investigatingOct 7, 2026, 15:09 UTC

   Twilio customers may be experiencing MMS delivery delays from Twilio to AT&T 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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• 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
• Snyk: Issues API V3 Service - DegradedMinor · Oct 3, 2026, 19:49 UTC
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How often does SendGrid have incidents?

SendGrid reported 375 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 4m. See SendGrid's uptime and incident history