SendGrid incident: SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia

Affected components

• SMS, APAC

1. resolvedOct 20, 2026, 19:53 UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia is operating normally.

2. monitoringOct 20, 2026, 17:30 UTC

   We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

3. identifiedOct 20, 2026, 16:29 UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia. 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 20, 2026, 16:28 UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia. 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.

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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