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INCIDENT IN PROGRESS

Twilio

SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States

Updated

Confirmed disruption 14:25Started 1Timeline events

Confirmed by the official source.

  • Summary

    Twilio has confirmed delays in SMS delivery receipts from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Message delivery may succeed, while delivery receipts are delayed.

  • User impact

    Messages may be delivered successfully, but delivery receipts can be delayed for some Twilio Short Code traffic to T-Mobile network subscribers.

Started

14:2514 Sep 2026

Timeline events

1View timeline →
  1. Detection

    Confirmed by an official service source.

  • Twilio reported degraded performance for its SMS Short Code, North America component.
  • The reported impact concerns delayed SMS delivery receipts rather than necessarily failed message delivery.
  • The incident remains unresolved in the available evidence.