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    Zingle outage history

    101 recorded Zingle incidents since July 2026, with official updates, affected components, duration and resolution information.

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    SMS Delivery Delays and Failures from a Subset of Twilio Short Codes to Docomo Pacific United States

    Started October 26, 2026 at 7:50 PM UTC · Ongoing

    IssuesMinor incident
    Affected components
    3rd Party ProvidersSMS Short Code, North AmericaTwilio
    1. October 26, 2026 at 7:50 PM UTCinvestigating

      Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Short Codes to Docomo Pacific network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. October 26, 2026 at 7:57 PM UTCidentified

      Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Short Codes to Docomo Pacific network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    3. October 26, 2026 at 8:57 PM UTCidentified

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Docomo Pacific network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

    4. October 26, 2026 at 10:58 PM UTCidentified

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Docomo Pacific network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

    Issue with 500 Errors on Porting Request Submissions

    Started October 22, 2026 at 5:10 PM UTC · 2h 20m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 22, 2026 at 5:10 PM UTCinvestigating

      Our monitoring systems have detected a potential issue with porting request submissions returning 500 errors. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. October 22, 2026 at 5:24 PM UTCinvestigating

      We are observing an issue with 500 Errors on Porting Request Submissions. This issue is affecting the Port-in US Toll-free and Port a number tabs. The Port-in US Local tab is still currently functional and the Port-in API is still functional. We expect to provide another update in 1 hour or as soon as more information becomes available.

    3. October 22, 2026 at 6:16 PM UTCidentified

      We have identified the issue with 500 Errors on Porting Request Submissions. This issue is affecting wireless only submissions on the Port-in US Toll-free and Port a number tabs. The Port-in US Local tab is still currently functional and the Port-in API is still functional. We are actively working to resolve this issue. If customers have an urgent porting request, they can submit it manually by sending an email to [email protected] at this time. We will provide another update in 2 hours or as soon as additional information is available.

    4. October 22, 2026 at 7:03 PM UTCmonitoring

      We have started seeing recovery for the issue with 500 errors on porting request submissions. We will continue to monitor to ensure a full recovery. We expect to provide another update in 30 minutes or as soon as more information becomes available.

    5. October 22, 2026 at 7:30 PM UTCresolved

      We are no longer experiencing an issue with 500 errors on porting request submissions. This incident has been resolved.

    Potential Issue with Realtime Transcriptions and Deepgram

    Started October 22, 2026 at 4:32 PM UTC · 1h 35m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 22, 2026 at 4:32 PM UTCinvestigating

      Our monitoring systems have detected a potential issue with realtime transcription and Deepgram. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. October 22, 2026 at 5:38 PM UTCmonitoring

      We have mitigated the issue and are monitoring system performance. Speech recognition for Voice calls is returning to normal. We will provide another update in 30 minutes or as soon as more information becomes available.

    3. October 22, 2026 at 6:08 PM UTCresolved

      The issue affecting realtime transcriptions and Deepgram has been resolved, and the service is functioning normally at this time.

    SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States

    Started October 21, 2026 at 5:10 PM UTC · 17h 46m

    IssuesMinor incident
    Affected components
    3rd Party ProvidersSMS Short Code, North AmericaTwilio
    1. October 21, 2026 at 5:10 PM UTCinvestigating

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. October 21, 2026 at 6:11 PM UTCinvestigating

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

    3. October 21, 2026 at 8:19 PM UTCmonitoring

      We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    4. October 21, 2026 at 10:20 PM UTCmonitoring

      We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

    5. October 22, 2026 at 2:25 AM UTCmonitoring

      We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

    6. October 22, 2026 at 10:57 AM UTCresolved

      The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Cellularone NE Arizona network subscribers in the United States is operating normally.

    SMS Delivery Delays From a Subset of Twilio Short Codes to Telnyx LLC United States

    Started October 20, 2026 at 5:16 PM UTC · 2h 44m

    IssuesMinor incident
    Affected components
    3rd Party ProvidersSMS Short Code, North AmericaTwilio
    1. October 20, 2026 at 5:16 PM UTCinvestigating

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Telnyx LLC network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. October 20, 2026 at 5:20 PM UTCidentified

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Telnyx network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    3. October 20, 2026 at 5:59 PM UTCmonitoring

      We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Telnyx network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    4. October 20, 2026 at 8:00 PM UTCresolved

      The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Telnyx network subscribers in the United States is operating normally.

    MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

    Started October 19, 2026 at 8:26 PM UTC · 8h 34m

    IssuesMinor incident
    Affected components
    3rd Party ProvidersTwilioMMS Long Code, North America
    1. October 19, 2026 at 8:26 PM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. October 19, 2026 at 9:27 PM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

    3. October 19, 2026 at 9:36 PM UTCidentified

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    4. October 19, 2026 at 10:37 PM UTCidentified

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

    5. October 20, 2026 at 12:46 AM UTCidentified

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

    6. October 20, 2026 at 3:10 AM UTCmonitoring

      We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    7. October 20, 2026 at 5:01 AM UTCresolved

      The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.

    5300 Errors on Singapore Client Edge

    Started October 17, 2026 at 5:07 PM UTC · 5h 3m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 17, 2026 at 5:07 PM UTCinvestigating

      Our monitoring systems have detected a potential issue with 53000 errors on the Singapore edge client causing unregistered events. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. October 17, 2026 at 5:51 PM UTCinvestigating

      We are currently investigating an issue with 53000 errors on the Singapore edge client causing unregistered events. We expect to provide another update in 15 minutes or as soon as more information becomes available

    3. October 17, 2026 at 6:21 PM UTCinvestigating

      We are currently investigating an issue with 53000 errors on the Singapore edge client causing unregistered events. We expect to provide another update in 1 hour or as soon as more information becomes available

    4. October 17, 2026 at 7:23 PM UTCinvestigating

      We are no longer observing the issue with 53000 errors on the Singapore edge client causing unregistered events, our engineering teams are still investigating the root cause. We expect to provide another update in 1 hour or as soon as more information becomes available.

    5. October 17, 2026 at 8:21 PM UTCmonitoring

      We are no longer observing the issue with 53000 errors on the Singapore edge client causing unregistered events. Our engineering teams are continuing to monitor to ensure full service recovery. We will provide another update in 1 hour or as soon as more information becomes available.

    6. October 17, 2026 at 8:36 PM UTCmonitoring

      We are no longer observing the issue with 53000 errors on the Singapore edge client causing unregistered events. Our engineering teams are continuing to monitor to ensure full service recovery. We will provide another update in 1 hour or as soon as more information becomes available.

    7. October 17, 2026 at 9:39 PM UTCmonitoring

      We are no longer observing the issue with 53000 errors on the Singapore edge client causing unregistered events. Our engineering teams are continuing to monitor to ensure full service recovery. We will provide another update in 2 hours or as soon as more information becomes available.

    8. October 17, 2026 at 10:11 PM UTCresolved

      We are no longer observing the issue with 53000 errors on the Singapore edge client causing unregistered events. This incident has been resolved.

    On Call Engineers are Investigating Errors with the Virtual Phone in Legacy Console

    Started October 16, 2026 at 11:47 PM UTC · 10m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 16, 2026 at 11:47 PM UTCinvestigating

      Our monitoring systems have detected a potential issue with the Virtual Phone feature in Legacy Console. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. October 16, 2026 at 11:58 PM UTCresolved

      We have fully investigated the Virtual Phone reply issue triggered by our automated alert, and it was determined that there is minimal customer impact with resolution confirmed. All systems are operational.

    On Call Engineers Are Investigating Issues With A2P Campaign Approvals

    Started October 16, 2026 at 5:24 PM UTC · 5h 35m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 16, 2026 at 5:24 PM UTCinvestigating

      Our monitoring systems have detected a potential issue with A2P Campaign approvals. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. October 16, 2026 at 5:33 PM UTCinvestigating

      Our engineering team has identified an issue that is preventing recently approved Campaigns from transitioning from an in-progress to approved state. We will provide another update in 1 hour, or as soon as more information becomes available.

    3. October 16, 2026 at 6:33 PM UTCidentified

      Our engineering team is continuing to address an issue that is preventing recently approved Campaigns from transitioning from an in-progress to approved state. We will provide another update in 2 hours, or as soon as more information becomes available.

    4. October 16, 2026 at 8:30 PM UTCidentified

      Our engineering team is continuing to address an issue that is preventing recently approved Campaigns from transitioning from an in-progress to approved state. We will provide another update in 4 hours, or as soon as more information becomes available.

    5. October 16, 2026 at 10:32 PM UTCmonitoring

      A2P 10DLC campaign status is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.

    6. October 16, 2026 at 11:00 PM UTCresolved

      The issue delaying campaign approvals has been resolved and A2P 10DLC campaign status is operating normally at this time.

    SMS Delivery Delays from a Subset of Twilio Short Codes to Verizon United States

    Started October 16, 2026 at 4:56 PM UTC · 3h 11m

    IssuesMinor incident
    Affected components
    3rd Party ProvidersSMS Short Code, North AmericaTwilio
    1. October 16, 2026 at 4:56 PM UTCinvestigating

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Verizon network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. October 16, 2026 at 4:57 PM UTCidentified

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Verizon network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    3. October 16, 2026 at 5:59 PM UTCmonitoring

      We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    4. October 16, 2026 at 6:41 PM UTCmonitoring

      We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    5. October 16, 2026 at 8:07 PM UTCresolved

      The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to Verizon network subscribers in the United States are operating normally.

    On Call Engineers are Investigating

    Started October 14, 2026 at 10:22 AM UTC · 26m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 14, 2026 at 10:22 AM UTCinvestigating

      Our monitoring systems have detected a potential issue with Functions and Assets. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. October 14, 2026 at 10:49 AM UTCresolved

      We have fully investigated the Functions and Assets issue triggered by our automated alert, and it was determined that there is no noticeable customer impact. All systems are operational.

    Invalid phone Number Attachments

    Started October 12, 2026 at 4:40 PM UTC · Ongoing

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 12, 2026 at 4:40 PM UTCinvestigating

      Our engineers are currently investigating an issue regarding phone number attachments.

    MMS Delivery Delays From a Subset of Twilio Long Codes to C-Spire United States

    Started October 12, 2026 at 2:38 PM UTC · 8h 35m

    IssuesMinor incident
    Affected components
    3rd Party ProvidersTwilioMMS Long Code, North America
    1. October 12, 2026 at 2:38 PM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to C-Spire network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. October 12, 2026 at 2:41 PM UTCidentified

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to C-Spire network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    3. October 12, 2026 at 3:41 PM UTCidentified

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to C-Spire network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

    4. October 12, 2026 at 5:41 PM UTCidentified

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to C-Spire network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

    5. October 12, 2026 at 7:56 PM UTCmonitoring

      We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to C-Spire network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    6. October 12, 2026 at 9:56 PM UTCmonitoring

      We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to C-Spire network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

    7. October 12, 2026 at 11:14 PM UTCresolved

      The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to C-Spire network subscribers in the United States is operating normally.

    SMS Delivery Delays from a Subset of Twilio Short Codes to Onvoy Spectrum Mobile United States

    Started October 9, 2026 at 12:59 PM UTC · 2h 50m

    IssuesMinor incident
    Affected components
    3rd Party ProvidersSMS Short Code, North AmericaTwilio
    1. October 9, 2026 at 12:59 PM UTCinvestigating

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. October 9, 2026 at 2:05 PM UTCinvestigating

      Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

    3. October 9, 2026 at 3:42 PM UTCidentified

      We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

    4. October 9, 2026 at 3:50 PM UTCmonitoring

      We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

    5. October 9, 2026 at 3:50 PM UTCresolved

      The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States is operating normally.

    500 Errors for Conversation Update

    Started October 2, 2026 at 6:29 PM UTC · 1h 23m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 2, 2026 at 6:29 PM UTCinvestigating

      Our engineers have identified the issue regarding conversation updates. Customer may experincine issues when updating and deleting conversation and creating messages.

    2. October 2, 2026 at 6:44 PM UTCinvestigating

      We are continuing to investigate this issue.

    3. October 2, 2026 at 7:27 PM UTCmonitoring

      Updates in Conversations are now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.

    4. October 2, 2026 at 7:52 PM UTCresolved

      The issues with updates have been resolved and Conversations Classic is operating normally at this time.

    A2P Campaign Registration Delays

    Started October 1, 2026 at 6:38 PM UTC · 4h 53m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. October 1, 2026 at 6:38 PM UTCinvestigating

      Our monitoring systems have detected a potential issue with A2P campaign submissions. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. October 1, 2026 at 7:08 PM UTCinvestigating

      We have identified an issue with A2P campaign creation which may cause delays for customers. Our engineers are working on a fix to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    3. October 1, 2026 at 8:53 PM UTCinvestigating

      We are still investigating A2P campaign creation which may cause delays for customers. Our engineers are working on a fix to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

    4. October 1, 2026 at 11:06 PM UTCmonitoring

      A2P campaign creation is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.

    5. October 1, 2026 at 11:31 PM UTCresolved

      Issue with A2P campaign creation which may cause delays for customers has been resolved and it is operating normally at this time.

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

    Started October 1, 2026 at 9:35 AM UTC · 3h 10m

    IssuesMinor incident
    Affected components
    3rd Party ProvidersSMS Short Code, North AmericaTwilio
    1. October 1, 2026 at 9:35 AM UTCinvestigating

      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.

    2. October 1, 2026 at 10:24 AM UTCidentified

      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 has identified the cause, and is working to resolve the 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.

    3. October 1, 2026 at 11:24 AM UTCmonitoring

      We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    4. October 1, 2026 at 12:45 PM UTCresolved

      The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to affected networks in the United States are operating normally.

    Automated Alert: No Customer Impact

    Started September 28, 2026 at 7:50 PM UTC · 1h 53m

    IssuesMinor incident
    Affected components
    Text-to-Speech3rd Party ProvidersMMS Short Code, North AmericaSMS Short Code, North AmericaTwilioTwiMLMMS Toll-FreeMMS Long Code, North AmericaSMS Long Code, North AmericaSMS Toll-Free, North America
    1. September 28, 2026 at 7:50 PM UTCinvestigating

      Our monitoring systems have detected a potential issue with Flex. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

    2. September 28, 2026 at 9:43 PM UTCresolved

      We have fully investigated the Flex issue triggered by our automated alert, and it was determined that there is no noticeable customer impact. All systems are operational.

    Emergency Medallia maintenance

    Started September 27, 2026 at 5:02 PM UTC · 9h 14m

    OutageMajor incident
    Affected components
    SMS MessagingIntercom Web MessengerToll-Free SMS - OutboundHospitality Integration SystemText-to-SpeechSMS Messaging (SMPP)Intercom Intercom Web ApplicationZingsIntercomWeb InboxSMS MessagingAnalyticsToll Free MMS - InboundiOS AppREST APIs - HTTP SMS MessagingSMS MessagingHospitality Integration SystemHospitality Integration SystemBandwidthMessaging ServicesAPIMMS Messaging (MM4)Mobile Appsapp-1.zingle.sea1.medallia.comToll-Free SMS - Inbound3rd Party ProvidersMMS Short Code, North Americaapp-4.zingle.sea1.medallia.comSMS Short Code, North AmericaOutbound EmailsIntercom Mobile MessengerTwilioWeb InboxWeb InboxAndroid AppZingsToll Free MMS - OutboundAPITwiMLAnalyticsMMS Toll-FreeMMS Long Code, North AmericaZingsREST APIs - HTTP MMS MessagingSMS Long Code, North Americaapp.zingle.meAnalyticsAPISMS Toll-Free, North America
    1. September 27, 2026 at 5:02 PM UTCupdate

      In order to maintain our service and quality levels, we would like to inform you that we are performing essential maintenance on the platform. Please circulate these details to all relevant stakeholders within your business. Access to all Medallia services, including Medallia’s survey mechanisms, may be impacted during this time. Please contact Medallia Support via https://help.medallia.com if you have any questions or concerns related to this. Regards, Medallia Support

    2. September 28, 2026 at 2:16 AM UTCresolved

      Over the weekend, Medallia received notification about a series of security concerns from Citrix, a well-established vendor used by Medallia for network load balancing. As a precautionary measure to protect our systems and client data, Medallia reacted immediately to temporarily restrict access to affected environments at approximately 10:30 am PT while deploying the necessary updates. Medallia restored service to data centers on a rolling basis over the following hours. Based on our investigation and monitoring to date, we have identified no evidence that client data was accessed or compromised as a result of these vulnerabilities. Medallia continues to monitor its environments and evaluate relevant guidance from Citrix as it becomes available. Services in your environment have now been restored. As a result of the interruption, your IT teams may need to restart or retrigger integrations or data transfers with Medallia. Please open a ticket with Medallia Support at help.medallia.com if you have any questions or concerns. For further details about the Citrix notification, please see https://www.cisa.gov/news-events/alerts/2026/09/27/critical-zero-day-vulnerabilities-exploited-citrix-netscaler-adc-gateway. We appreciate your patience and understanding, and apologize for the disruption this may have caused to your organization. Regards, Medallia Support

    MMS Delivery Delays from a Subset of Twilio Long Codes to GCI United States

    Started September 26, 2026 at 3:16 AM UTC · 14d 7h

    IssuesMinor incident
    Affected components
    3rd Party ProvidersTwilioMMS Long Code, North America
    1. September 26, 2026 at 3:16 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    2. September 26, 2026 at 4:17 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

    3. September 26, 2026 at 6:20 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

    4. September 26, 2026 at 10:24 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.

    5. September 26, 2026 at 6:25 PM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 16 hours or as soon as more information becomes available.

    6. September 27, 2026 at 10:31 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    7. September 28, 2026 at 10:31 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    8. September 29, 2026 at 10:38 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    9. September 30, 2026 at 10:38 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    10. October 1, 2026 at 10:39 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    11. October 2, 2026 at 10:39 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    12. October 3, 2026 at 10:44 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    13. October 4, 2026 at 10:44 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    14. October 5, 2026 at 10:45 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    15. October 6, 2026 at 10:48 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    16. October 7, 2026 at 10:54 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    17. October 8, 2026 at 10:56 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    18. October 9, 2026 at 10:57 AM UTCinvestigating

      Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

    19. October 10, 2026 at 10:57 AM UTCresolved

      auto-closed