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        Temporary Increase in 4xx Errors When Sending Messages

        Incident Report for Twilio

        Resolved

        Between 4:03PM PST and 4:09PM PST, customers may have experienced 4xx errors when attempting to send messages from the Messaging API. This issue has been resolved.
        Posted Mar 03, 2026 - 16:37 PST
        This incident affected: PROGRAMMABLE MESSAGING (Programmable Messaging API).
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