Twilio incident

SMS Delivery Delays and Failures From a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz Pakistan

Resolved after 10 hours 34 minutes, affecting SMS, APAC, on April 27, 2026.

resolved Apr 28, 2026, 08:04 AM UTC

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

Started
Apr 27, 2026, 09:29 PM UTC
Resolved
Apr 28, 2026, 08:04 AM UTC
Duration
10h 34m
Detected by Pingoru
Apr 27, 2026, 09:29 PM UTC

Affected components

SMS, APAC

Update timeline

  1. investigating Apr 27, 2026, 09:29 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. identified Apr 27, 2026, 09:34 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan. 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.

  3. identified Apr 27, 2026, 10:35 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan. 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.

  4. monitoring Apr 27, 2026, 10:46 PM UTC

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

  5. resolved Apr 28, 2026, 08:04 AM UTC

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

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