minorresolved

Twilio outage on 2026-08-22: SMS Delivery Receipt Delays from a Subset of Twilio International Pre-Registered Sender IDs to Vinaphone Vietnam

Started: August 22, 2026 at 03:43 AM UTC
Resolved: August 22, 2026 at 07:07 AM UTC
Duration: 3h 24m

Latest update from Twilio

August 22, 2026 at 07:07 AM UTC

The incident has been resolved and SMS delivery receipts from a subset of Twilio International Pre-Registered Sender IDs to Vinaphone network subscribers in Vietnam are operating normally.

Twilio's own report for this incident

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