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        Delays in SMPP API Message Delivery

        Incident Report for Twilio

        Resolved

        The issue affecting a subset of SMPP API customer MO traffic has been resolved. Message delivery is now operating normally.
        Posted Oct 17, 2025 - 05:43 PDT

        Monitoring

        We are observing recovery for the subset of SMPP API customer MO traffic that was delayed for several hours. Our engineering team continues to work on fully restoring normal message delivery. We will provide another update in 30 minutes or or as soon as more information becomes available.
        Posted Oct 17, 2025 - 05:11 PDT

        Update

        We are still investigating an issue where a subset of SMPP API customer MO traffic has been delayed for several hours. Our engineering team is actively working to identify the root cause and restore normal message delivery. We expect to provide another update in 2 hours or as soon as more information becomes available.
        Posted Oct 17, 2025 - 04:41 PDT

        Update

        We are currently investigating an issue where a subset of SMPP API customer MO traffic has been delayed for several hours. Our engineering team is actively working to identify the root cause and restore normal message delivery. We expect to provide another update in 1 hour or as soon as more information becomes available.
        Posted Oct 17, 2025 - 03:43 PDT

        Investigating

        Our monitoring systems have detected a potential issue SMPP API. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
        Posted Oct 17, 2025 - 03:37 PDT
        This incident affected: PROGRAMMABLE MESSAGING (SMPP).