SendGrid incident: SMS Delivery Receipt Delays from a Subset of Twilio Phone Numbers to Telefonica El Salvador

1. resolvedSep 4, 2026, 12:06 UTC

   The incident has been resolved and SMS delivery receipts from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador are operating normally.

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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SendGrid reported 356 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 17m. See SendGrid's uptime and incident history