SendGrid incident: SMS and MMS Delivery Delays and Delivery Receipt Delays between Twilio and AT&T in the 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. resolvedOct 7, 2026, 12:16 UTC

   The incident has been resolved and SMS and MMS delivery between Twilio and AT&T network subscribers in the United States are operating normally.

2. monitoringOct 7, 2026, 10:08 UTC

   We have observed a recovery in SMS and MMS delivery between Twilio and 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, 09:10 UTC

   Twilio customers may be experiencing SMS and MMS delivery delays and delivery receipt delays between Twilio and AT&T network 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.

4. investigatingOct 7, 2026, 07:22 UTC

   Twilio customers may be experiencing SMS delivery delays and delivery failures between Twilio and AT&T 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 7, 2026, 06:53 UTC

   Twilio customers may be experiencing SMS and MMS delivery delays and delivery failures between Twilio and 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.

6. investigatingOct 7, 2026, 06:19 UTC

   Twilio customers may be experiencing SMS delivery delays between Twilio and 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

Overlapping incidents aren't necessarily related.

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• LiveKit: Investigating reports of elevated RoomService API errorsMinor · Oct 6, 2026, 00:10 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