Twilio incident

SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to Telkomsel Indonesia

Minor Resolved View vendor source →

Twilio experienced a minor incident on September 24, 2026 affecting SMS, APAC, lasting 21h 44m. The incident has been resolved; the full update timeline is below.

Started
Sep 24, 2026, 06:56 AM UTC
Resolved
Sep 25, 2026, 04:41 AM UTC
Duration
21h 44m
Detected by Pingoru
Sep 24, 2026, 06:56 AM UTC

Affected components

SMS, APAC

Update timeline

  1. investigating Sep 24, 2026, 06:56 AM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. 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 Sep 24, 2026, 08:02 AM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

  3. investigating Sep 24, 2026, 10:02 AM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

  4. investigating Sep 24, 2026, 02:03 PM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.

  5. identified Sep 24, 2026, 03:46 PM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. 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.

  6. identified Sep 24, 2026, 04:48 PM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. 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.

  7. identified Sep 24, 2026, 06:54 PM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. 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.

  8. identified Sep 24, 2026, 10:54 PM UTC

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

  9. monitoring Sep 25, 2026, 02:34 AM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  10. resolved Sep 25, 2026, 04:41 AM UTC

    The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia is operating normally.