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Twilio · Apps and SaaSOct 1, 2026, 09:35 UTC yesterday

SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in United States

MinorNot disclosedUpdated 7h ago
Oct 1, 09:35 UTCOct 1, 12:45 UTC
Duration
3h 10m
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
550 incidents
Affected
SMS Short Code, North AmericaCARRIER NETWORK - SMS Short Code, North America
Status page

Final update

The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to affected networks in the United States are operating normally.

Timeline

  1. Resolved · Oct 1, 12:45 UTC
    The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to affected networks in the United States are operating normally.
  2. Monitoring · Oct 1, 11:24 UTC
    We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
  3. Identified · Oct 1, 10:24 UTC
    Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
  4. Investigating · Oct 1, 09:35 UTC
    Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

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