Outage in Twilio

SMS Delivery Delays from Twilio to Celcom Malaysia

Resolved Minor

July 31, 2026 - Started about 15 hours ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery delays affecting messages sent to Celcom network subscribers in Malaysia, lasting approximately 3.4 hours. The issue impacted Twilio customers relying on SMS delivery to the Celcom network in the APAC region. Recovery was observed and monitored before the incident was fully resolved with SMS delivery returning to normal operation.

Twilio customers may be experiencing SMS delivery delays from Twilio to Celcom network subscribers in Malaysia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Components affected

Twilio SMS, APAC

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Latest Updates ( sorted recent to last )

RESOLVED about 12 hours ago - at 07/31/2026 02:12AM

The incident has been resolved and SMS delivery from Twilio to Celcom network subscribers in Malaysia is operating normally.

MONITORING about 12 hours ago - at 07/31/2026 02:01AM

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

MONITORING about 14 hours ago - at 07/31/2026 12:01AM

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

INVESTIGATING about 14 hours ago - at 07/30/2026 11:51PM

Twilio customers may be experiencing SMS delivery delays from Twilio to Celcom network subscribers in Malaysia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 15 hours ago - at 07/30/2026 10:50PM

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