Twilio incident

SMS Delivery Delays and Failures Between Twilio Phone Numbers and Multiple Networks in Thailand

Minor Resolved View vendor source →

Twilio experienced a minor incident on May 15, 2026 affecting SMS, APAC, lasting 15h 57m. The incident has been resolved; the full update timeline is below.

Started
May 15, 2026, 06:20 AM UTC
Resolved
May 15, 2026, 10:17 PM UTC
Duration
15h 57m
Detected by Pingoru
May 15, 2026, 06:20 AM UTC

Affected components

SMS, APAC

Update timeline

  1. investigating May 15, 2026, 06:20 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures between Twilio Phone Numbers and network subscribers on multiple networks in Thailand. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. investigating May 15, 2026, 07:20 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures between Twilio Phone Numbers and network subscribers on multiple networks in Thailand. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

  3. identified May 15, 2026, 08:54 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures between Twilio Phone Numbers and network subscribers on multiple networks in Thailand. 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. identified May 15, 2026, 09:55 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures between Twilio Phone Numbers and network subscribers on multiple networks in Thailand. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

  5. identified May 15, 2026, 12:04 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures between Twilio Phone Numbers and multiple networks in Thailand. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

  6. monitoring May 15, 2026, 03:02 PM UTC

    We have observed a recovery in SMS delivery between Twilio Phone Numbers and network subscribers on multiple networks in Thailand and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  7. monitoring May 15, 2026, 05:03 PM UTC

    We have observed a recovery in SMS delivery between Twilio Phone Numbers and network subscribers on multiple networks in Thailand and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  8. monitoring May 15, 2026, 09:03 PM UTC

    We have observed a recovery in SMS delivery between Twilio Phone Numbers and network subscribers on multiple networks in Thailand and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

  9. resolved May 15, 2026, 10:17 PM UTC

    The incident has been resolved and SMS delivery between Twilio Phone Numbers and affected networks in Thailand is operating normally.