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        Twilio Accounts May Not Be Able to Add a Participant to a Conference Using the Create Participant API, or Modify the State of a Conference Participant (Hold, Unhold, Mute, Unmute) via the Participants API

        Incident Report for Twilio

        Resolved

        Our engineers have monitored the fix and confirmed the issue with Flex and Twilio Conferences has been resolved. All services are now operating normally at this time.
        Posted May 27, 2026 - 16:35 PDT

        Monitoring

        We also determined that this issue is also impacting Flex. Our engineers have implemented a fix and are monitoring system performance. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted May 27, 2026 - 15:06 PDT

        Investigating

        We are investigating an issue with Twilio Accounts that may not be able to add a participant to a Conference using the Create Participant API, or modify the state of a Conference Participant (Hold, Unhold, Mute, Unmute) via the Participants API. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted May 27, 2026 - 14:22 PDT
        This incident affected: PROGRAMMABLE VOICE US1 (Conference US1), PROGRAMMABLE VOICE AU1 (Conference AU1), PROGRAMMABLE VOICE IE1 (Conference IE1), and FLEX (Flex Programmable Voice).