SendGrid incident: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

Affected components

• MMS Long Code, North America

1. resolvedOct 27, 2026, 17:32 UTC

   The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.

2. monitoringOct 27, 2026, 15:30 UTC

   We have observed a recovery in MMS delivery from a subset of Twilio Long Codes 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 27, 2026, 15:30 UTC

   Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.

4. identifiedOct 27, 2026, 15:06 UTC

   wilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.

5. identifiedOct 27, 2026, 14:28 UTC

   Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.

6. identifiedOct 27, 2026, 14:05 UTC

   Twilio customers may be experiencing SMS and MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

7. investigatingOct 27, 2026, 12:58 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. 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.

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