Twilio incident: SMS Delivery Delays from a Subset of Twilio Phone Numbers to Cellcom Israel

Affected components

• SMS, Middle East & Africa

1. resolvedOct 4, 2026, 18:19 UTC

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

2. monitoringOct 4, 2026, 14:16 UTC

   We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to Cellcom network subscribers in Israel and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

3. monitoringOct 4, 2026, 12:16 UTC

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

4. investigatingOct 4, 2026, 10:51 UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Cellcom network subscribers in Israel. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

5. investigatingOct 4, 2026, 08:51 UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Cellcom network subscribers in Israel. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

6. investigatingOct 4, 2026, 07:49 UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Cellcom network subscribers in Israel. 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 Twilio'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 Twilio have incidents?

Twilio reported 497 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 5h 45m. See Twilio's uptime and incident history