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

Resolved

We are no longer experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. This incident has been resolved.

Update

We are observing recovery of SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team is monitoring this issue to ensure it is resolved. We will provide another update in 2 hours or as soon as more information becomes available.

Investigating

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.