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

Affected components

• SMS Long Code, North America

1. resolvedOct 27, 2026, 07:10 UTC

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

2. monitoringOct 27, 2026, 05:09 UTC

   We have observed a recovery in SMS delivery receipts 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, 05:09 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 has identified the cause, and is working to resolve the 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.

4. investigatingOct 27, 2026, 04:53 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 2 hours or as soon as more information becomes available.

5. investigatingOct 27, 2026, 03:53 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.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Twilio: MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United StatesMinor · Oct 24, 2026, 19:28 UTC
• Akamai: Edge Delivery issues between Indonesia and SingaporeMinor · Oct 25, 2026, 13:44 UTC
• Linode: Connectivity Issue between ID-CGK (Jakarta) and SG-SIN-2 (Singapore 2)Minor · Oct 25, 2026, 13:54 UTC
• Cloudflare: Cloudflare Pages Upload IssueMinor · Oct 26, 2026, 00:00 UTC
• Twilio: Voice Call Failures from Twilio Phone Numbers to Digi Mobil RomaniaMinor · Oct 26, 2026, 13:09 UTC
• Twilio: SMS Delivery Delays and Failures from Twilio to Mauritel MauritaniaMinor · Oct 26, 2026, 14:20 UTC
• Twilio: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United StatesMinor · Oct 26, 2026, 20:29 UTC
• Twilio: SMS Delivery Delays from a Subset of Twilio Short Codes to Docomo Pacific United StatesMinor · Oct 26, 2026, 20:57 UTC
• Twilio: SMS Delivery Failures From a Subset of Twilio Phone Numbers to Multiple Networks in BrazilMinor · Oct 26, 2026, 23:55 UTC
• Twilio: SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in South AfricaMinor · Oct 27, 2026, 01:34 UTC

How often does SendGrid have incidents?

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