SendGrid incident: RCS Delivery Receipt Delays for AT&T

Affected components

• RCS Messaging

1. resolvedOct 19, 2026, 19:48 UTC

   We have monitored and resolved the issue with RCS. All services are now operating normally at this time.

2. monitoringOct 19, 2026, 18:43 UTC

   Our engineers have mitigated the issue and are monitoring system performance. Delivery receipts and inbound messages are returning to normal for RCS traffic with AT&T. We will provide another update in 2 hours or as soon as more information becomes available.

3. identifiedOct 19, 2026, 17:53 UTC

   We have identified an issue with RCS. Users may experience delays in delivery receipts and delays with inbound messages. We will provide another update in 1 hour or as soon as more information becomes available.

4. investigatingOct 19, 2026, 17:21 UTC

   We are investigating an issue with RCS. Users may experience delays in delivery receipts and delays with inbound messages. 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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How often does SendGrid have incidents?

SendGrid reported 459 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