Twilio Services
Issues related to Twilio’s Software
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    Issues found outside of Twilio’s Network
      Zipwhip Gateway
      Issues related to Zipwhip's Services
        Scheduled maintenance
        System Metrics

        SMS Missing Delivery Receipts From AT&T Network

        Incident Report for Twilio

        Resolved

        Twilio Programmable Messaging was degraded for 2.5 hours between 12:41 and 4:21 Pacific Time on 05/01/2025. During this period of time, customers may have experienced missing delivery receipts to AT&T network in the US. The issue has now been resolved.
        Posted May 05, 2025 - 06:22 PDT

        Monitoring

        Our engineers are currently investigating the customer impact of a retroactive issue with SMS. We will follow up and provide customer impact details within 2 hours.
        Posted May 05, 2025 - 06:11 PDT