Twilio Status Page
Check here for updates about Twilio’s service availability and the status of telecom carriers globally.
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Carriers around the world are experiencing capacity issues because of increased demand on their networks due to COVID-19. This may result in voice quality issues, busy signals, or other errors on your phone calls. Twilio continues to monitor the health of the global carrier networks and we are publishing the most up-to-date information on our Worldwide Telephony Network Congestion page.
Twilio Services
Issues related to Twilio’s Software
External Connectivity
Issues found outside of Twilio’s Network
MAINTENANCE UPDATE NOTIFICATIONS
UPCOMING MAINTENANCE
External carriers often notify us when they will be conducting maintenance.
Subscribe for updates so you’ll know ahead of time about potential service disruptions.
SYSTEM METRICS
Stay up to date on the speed at which you connect.
Know more, so you can do more.
Investigating - We are experiencing a subset of calls failing intermittently to a subset of Twilio Mexico DIDs for Guadalajara (+5233, +5232) and Mexico city region (+5255). Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Apr 8, 01:50 PDT
PROGRAMMABLE MESSAGING Operational
MMS Operational
SMS Operational
SMPP Operational
Channels Operational
Notify Operational
Conversations Operational
PROGRAMMABLE VOICE Operational
PSTN Operational
SIP Interface Operational
Client Web Operational
Client Mobile ? Operational
Conference ? Operational
Recording ? Operational
Queue ? Operational
Text-to-Speech ? Operational
Recording Transcriptions Operational
TwiML Operational
Voice Insights Operational
Speech Recognition Operational
AUTHY Operational
Authy 2FA Operational
Verify Operational
Authy App Operational
Lookup ? Operational
AUTOPILOT Operational
ELASTIC SIP TRUNKING ? Operational
FLEX Operational
TaskRouter ? Operational
Flex Application Platform Operational
Flex WFO Operational
INTERCONNECT Operational
PHONE NUMBERS ? Operational
PROGRAMMABLE CHAT Operational
PROGRAMMABLE FAX Operational
PROGRAMMABLE VIDEO Operational
90 days ago
100.0 % uptime
Today
Group Rooms Operational
Peer-to-Peer Rooms Operational
Recordings Operational
90 days ago
100.0 % uptime
Today
Compositions Operational
90 days ago
100.0 % uptime
Today
Network Traversal Service ? Operational
PROGRAMMABLE WIRELESS Operational
PROXY Operational
SERVERLESS Operational
Studio Operational
Functions Operational
Assets Operational
TwiML Bins Operational
Sync Operational
TWILIO PLATFORM Operational
Billing Operational
Debugger & Alerts Operational
Console Operational
REST API ? Operational
Customer Support Center ? Operational
Other Operational
CARRIER NETWORK Degraded Performance
SMS Long Code, North America Operational
MMS Long Code, North America Operational
SMS Short Code, North America Operational
MMS Short Code, North America Operational
SMS Toll-Free, North America Operational
SMS, Latin America Operational
SMS, APAC Operational
SMS, Europe Operational
SMS, Middle East & Africa Operational
SMS Delivery Notifications & Status Callbacks Operational
Voice, North America Operational
Voice, Latin America Degraded Performance
Voice, APAC Operational
Voice, Europe Operational
Voice, Middle East & Africa Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
had a major outage
had a partial outage
Scheduled Maintenance
Megafon network in Russia will be conducting maintenance on their SMS platform from 08 April 2020 at 13:00 PDT until 08 April 2020 at 17:00 PDT. During this maintenance window, there could be intermittent delays delivering SMS to and from Megafon Russia handsets.
Posted on Apr 2, 09:34 PDT
US Toll-Free SMS Carrier Partner Maintenance Apr 8, 21:00 - Apr 9, 00:00 PDT
Our SMS carrier partner in the US is conducting a planned maintenance from 8 April 2020 at 21:00 PDT until 9 April 2020 at 00:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from US Toll-Free numbers.
Posted on Apr 2, 18:29 PDT
US SMS Carrier Partner Maintenance Apr 15, 19:00 - Apr 16, 01:00 PDT
Our SMS carrier partner in the US is conducting a planned maintenance from 15 April 2020 at 19:00 PDT until 16 April 2020 at 01:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from a subset of US shortcodes.
Posted on Apr 2, 18:28 PDT
API Uptime
Fetching
API Response Time - North America
Fetching
API Response Time - Europe
Fetching
Past Incidents
Apr 8, 2020
Resolved - This incident has been resolved.
Apr 8, 05:44 PDT
Monitoring - Our engineering team applied a subsequent fixed and we are observing service recovery. We are continuing to monitor the situation.
Apr 8, 05:35 PDT
Update - We are continuing to investigate this issue.
Apr 8, 04:54 PDT
Investigating - The issue has resurfaced and our teams are actively working on a fix. We will provide more information as soon as we have an update.
Apr 8, 04:45 PDT
Monitoring - Our engineers have implemented a fix, and we’re beginning to see recovery of REST requests to our Programmable Video API
Apr 8, 04:30 PDT
Update - We are experiencing degraded performance of the REST requests to our Programmable Video API. Our engineering teams are actively investigating the issue and working on applying a fix. We will provide more information when it becomes available.
Apr 8, 04:07 PDT
Investigating - Our monitoring systems have detected a potential issue with Video connectivity. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 8, 03:39 PDT
Completed - The scheduled maintenance has been completed.
Apr 8, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 7, 22:00 PDT
Scheduled - The Sprint network in the US is conducting an emergency maintenance from 7 April 2020 at 22:00 PDT until 8 April 2020 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from Sprint US handsets via US shortcodes and US longcodes.
Apr 6, 17:00 PDT
Completed - The scheduled maintenance has been completed.
Apr 8, 03:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 8, 00:01 PDT
Scheduled - T-Mobile network in the US is conducting an emergency maintenance from 8 April 2020 at 00:00 PDT until 8 April 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from T-Mobile US handsets via US shortcodes and US toll-free numbers.
Apr 6, 20:19 PDT
Resolved - We had been experiencing latency to our Video REST API between 8am UTC to 9am UTC. Our engineering teams applied a fix and the issue is resolved now.
Apr 8, 02:43 PDT
Investigating - Our monitoring systems have detected a potential latency on Video REST API when trying to reach the service. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 8, 01:33 PDT
Apr 7, 2020
Resolved - Movilnet is experiencing a signaling issue causing SMS Delivery Issues to Movilnet Venezuela. The operator is unable to provide an estimated time of restoration. Our support engineers will be in contact with impacted customers directly.
Apr 7, 20:01 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 7, 15:52 PDT
Identified - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 7, 11:32 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 7, 09:10 PDT
Investigating - We're currently observing non-deliveries for outbound messages to the Movilnet network in Venezuela. Our engineers are working with our carrier partner to resolve this issue.
Apr 7, 08:09 PDT
Resolved - This incident has been resolved.
Apr 7, 19:04 PDT
Monitoring - We are seeing recovery on SMS delivery delays for both Vivo and Nextel to Brazil. We will continue to monitor this situation and will provide an update as soon as more information becomes available.
Apr 7, 17:53 PDT
Update - We are seeing recovery on SMS delivery delays for Vivo to Brazil. SMS delivery to Nextel in Brazil is still delayed. We will continue to monitor this situation and will provide an update as soon as more information becomes available.
Apr 7, 16:49 PDT
Identified - We are experiencing SMS delivery delays when sending messages to both Nextel and Vivo in Brazil due to carrier capacity issues in the region. Our engineers will continue to work with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Apr 7, 14:42 PDT
Investigating - We are experiencing SMS delivery delays when sending messages to both Nextel and Vivo in Brazil. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Apr 7, 13:39 PDT
Resolved - This incident has been resolved.
Apr 7, 15:00 PDT
Investigating - We are experiencing elevated HTTP 302 responses when editing TwiML Bins in the console. Our engineers are working to resolve the issue. We will provide an update as soon as we have additional information.
Apr 7, 14:14 PDT
Resolved - This incident has been resolved.
Apr 7, 14:58 PDT
Monitoring - We continue to process queued callbacks received during the event and will provide an update when processing has completed. Messaging systems are fully operational.
Apr 7, 13:42 PDT
Update - Our engineers have recovered inbound message processing. No inbound message delivery delays are occurring and all queued incoming messages are being delivered. Status callbacks for current inbound messages are fully operational. Queued status callbacks received during the event are being processed. We will provide an update on the queued callbacks as soon as possible.
Apr 7, 13:22 PDT
Update - Our engineers continue to work on the issue impacting message status call back delays and delays receiving messages to Twilio numbers. We will provide an update as soon as we have more information.
Apr 7, 11:47 PDT
Update - Our engineers continue to work on the issue impacting message delivery status callbacks. We are also seeing delays receiving messages to Twilio numbers. We will provide an update as soon as we have more information.
Apr 7, 10:45 PDT
Investigating - Our monitoring systems have detected an issue with message delivery status callbacks and delivery status in the messaging API. Message delivery is not impacted. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 7, 10:28 PDT
Resolved - This incident has been resolved.
Apr 7, 05:02 PDT
Investigating - We're currently observing incorrect calling number being displayed on inbound calls to a subset of Twilio numbers in Switzerland. Our engineers are working with our carrier partner to resolve this issue.
Apr 7, 04:33 PDT
Completed - The scheduled maintenance has been completed.
Apr 7, 05:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 6, 23:00 PDT
Scheduled - The Sprint network in the US is conducting an emergency maintenance from 6 April 2020 at 23:00 PDT until 7 April 2020 at 05:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from Sprint US handsets via US shortcodes and US longcodes.
Apr 6, 16:58 PDT
Completed - The scheduled maintenance has been completed.
Apr 7, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 6, 23:00 PDT
Scheduled - Our SMS and MMS carrier partner in the US is conducting a planned maintenance from 06 April 2020 at 23:00 PDT until 7 April 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS and MMS to and from US handsets when sending to and from a subset of US shortcodes and US longcodes.
Mar 23, 18:50 PDT
Apr 6, 2020
Resolved - This incident has been resolved.
Apr 6, 23:49 PDT
Monitoring - We are observing recovery in SMS delivery to the Movilnet network in Venezuela. Our internal simulation shows messages are getting delivered now and in a timely manner.
Apr 6, 22:38 PDT
Update - Our carrier partner has confirmed that Movilnet is experiencing issues on their fiber optic transmission unit, and they are working to restore the service. We will provide an update in the next 3 hours or sooner if we see any improvements.
Apr 6, 21:08 PDT
Update - Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Apr 6, 20:10 PDT
Update - We are observing delayed delivery for messages submitted to Movilnet (734-06) in the Venezuela. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Apr 6, 18:05 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 6, 17:46 PDT
Resolved - This incident has been resolved.
Apr 6, 23:32 PDT
Identified - The issue has been identified, and we are continuing to recover our systems. The majority of rooms should have recovered and reconnected.
Apr 6, 22:28 PDT
Investigating - We are experiencing elevated HTTP 500 responses and increased API latency on Programmable Video Rooms API. Our engineers are working to resolve the issue. We will provide an update as soon as we have additional information.
Apr 6, 21:18 PDT
Resolved - We have completed the process to remediate sessions that were created or expired from 0645 PT to 1335 PT. This incident has been resolved and the service is back to the normal state.
Apr 6, 21:57 PDT
Update - We have begun the process to remediate sessions that were created or expired from 0645 PT to 1335 PT. We will continue to monitor and will provide the next update in 12 hours or as quickly as possible.
Apr 6, 19:43 PDT
Update - We are continuing to work on remediation for the sessions that were created or expired from 0645 to 1335 PT. We will continue to monitor and will provide an update as soon as more information becomes available.
Apr 6, 16:59 PDT
Monitoring - A fix has been implemented at 1335 PT for the issue preventing Proxy sessions from properly expiring and releasing associated phone numbers. Any new sessions that are being created after 1335 PT will be processed normally. We are continuing to work on remediation for the sessions that were created or expired from 0645 to 1335 PT. We will continue to monitor and will provide an update as soon as more information becomes available.
Apr 6, 14:28 PDT
Update - We are continuing to work on the fix for the issue preventing Proxy sessions from closing past expiration. We will provide another update in the next hour or as soon as additional information is available.
Apr 6, 13:36 PDT
Identified - Our engineers have identified the issue preventing Proxy sessions from closing past expiration and are working on the fix. We will provide another update in the next hour or as soon as additional information is available.
Apr 6, 12:22 PDT
Update - We are continuing to work on the issue preventing Proxy sessions from closing past expiration. We are seeing an increase in errors relating to Proxy Phone number selection, "No Available Unused Proxy" or Error Number 80208. If you are seeing this error for the first time, or an increase in number of errors, we recommend adding additional phone numbers to your Proxy Number Pool for new sessions to be created.
Apr 6, 10:57 PDT
Update - We are continuing to work on the issue preventing Proxy sessions from closing past expiration. We are seeing an increase in errors relating to Proxy Phone number selection, "No Available Unused Proxy" or Error Number 80208. If you are seeing this error for the first time, or an increase in number of errors, we recommend adding additional phone numbers to your Proxy Number Pool for new sessions to be created.
Apr 6, 09:56 PDT
Update - We are continuing to work on the issue preventing Proxy sessions from closing past expiration. We will provide further updates as the information becomes available.
Apr 6, 08:57 PDT
Investigating - We are currently observing an issue with Twilio Proxy where sessions are not being closed after they reached or past their expiration time. We are working to resolve.
Apr 6, 07:54 PDT
Completed - The scheduled maintenance has been completed.
Apr 6, 17:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 6, 13:00 PDT
Scheduled - Megafon network in Russia will be conducting maintenance on their SMS platform from 06 April 2020 at 13:00 PDT until 06 April 2020 at 17:00 PDT. During this maintenance window, there could be intermittent delays delivering SMS to and from Megafon Russia handsets.
Apr 2, 09:36 PDT
Resolved - This incident has been resolved.
Apr 6, 08:48 PDT
Monitoring - We are observing recovery in voice traffic inbound to Manila Twilio numbers. We will continue to monitor this situation and will provide an update as soon as more information becomes available.
Apr 6, 07:43 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 6, 07:37 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 6, 05:24 PDT
Investigating - We're currently observing call failures to a subset of Manila Twilio numbers in Philippines. Our engineers are working with our carrier partner to resolve this issue.
Apr 6, 04:27 PDT
Resolved - This incident has been resolved.
Apr 6, 07:39 PDT
Update - We are seeing recovery on our Programmable Video Rooms APIs. Our engineers will continue to monitor the situation.
Apr 6, 00:51 PDT
Monitoring - We are seeing recovery on our Programmable Video Rooms APIs. Our engineers will continue to monitor the situation.
Apr 5, 21:23 PDT
Investigating - We are experiencing elevated HTTP 500 responses and increased API latency on Programmable Video Rooms API. Our engineers are working to resolve the issue. We will provide an update as soon as we have additional information.
Apr 5, 21:12 PDT
Apr 5, 2020
Resolved - This incident has been resolved.
Apr 5, 22:52 PDT
Monitoring - We are observing successful delivery towards Djezzy Algeria. We will continue to monitor to ensure a full recovery.
Apr 5, 22:03 PDT
Update - Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Apr 5, 19:12 PDT
Update - A portion of SMS messages to Djezzy Algeria handsets are pending delivery. Our engineers are working with the underlying carrier to resolve the issue. We will provide more information as it is received.
Apr 5, 18:04 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 5, 17:51 PDT
Resolved - This incident has been resolved.
Apr 5, 10:28 PDT
Update - Our engineers are still working with the underlying carrier to resolve the issue. We will provide further updates as the information becomes available.
Apr 5, 05:04 PDT
Update - Our engineers are still working with the underlying carrier to resolve the issue. We will provide further updates as the information becomes available.
Apr 4, 22:32 PDT
Identified - The issue has been identified and our engineers are working with the underlying carrier to resolve the issue. We will provide further updates as the information becomes available.
Apr 4, 18:41 PDT
Update - We are continuing to investigate this issue that is causing some calls to Brazil - Porto-Alegre Numbers to fail.
Apr 4, 18:02 PDT
Update - We are continuing to investigate this issue that is causing some calls to Brazil - Porto-Alegre Numbers to fail.
Apr 4, 13:19 PDT
Update - We are continuing to investigate this issue that is causing some calls to Brazil - Porto-Alegre Numbers to fail.
Apr 4, 11:06 PDT
Update - A small amount of voice calls to Brazil - Porto-Alegre Numbers are failing to connect. Our engineers are working with the underlying carrier to resolve the issue. We will provide more information as it is received.
Apr 4, 10:01 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 4, 09:43 PDT
Resolved - This incident has been resolved.
Apr 5, 08:46 PDT
Update - We are continuing to monitor our fix for the issue that caused HTTP 500 errors and redirects on parts of Twilio.com. We will provide further updates as the information becomes available.
Apr 5, 01:14 PDT
Update - We are continuing to monitor our fix for the issue that caused HTTP 500 errors and redirects on parts of Twilio.com. Our next update will be on April 5th, at 02:00 PDT.
Apr 4, 17:57 PDT
Monitoring - A fix has been implemented for the issue that caused HTTP 500 errors and redirects on parts of Twilio.com. We are monitoring the fix.
Apr 4, 16:32 PDT
Update - Navigation to some endpoints at twilio.com are failing intermittently with HTTP 500 errors or result in redirection to other Twilio domains. Our engineers are working to identify the issue. We will provide more information as it is received.
Apr 4, 15:51 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 4, 15:41 PDT
Apr 4, 2020
Resolved - This incident has been resolved.
Apr 4, 23:00 PDT
Identified - Our engineers are working to resolve the issue. We will provide an update as soon as we have additional information.
Apr 4, 22:54 PDT
Update - We are experiencing HTTP 500 responses when creating access tokens. Our engineers have identified the root cause and are working to resolve the issue. We will provide an update as soon as we have additional information.
Apr 4, 21:53 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 4, 21:38 PDT
Resolved - This incident has been resolved.
Apr 4, 18:12 PDT
Update - We are continuing to investigate this issue that causes inbound messages sent from Verizon numbers to Twilio Toll free numbers may have random text added to them. Our supplier has informed us that they are currently blocking all inbound traffic from Verizon toward toll-free destinations.
Apr 4, 16:33 PDT
Update - We are continuing to investigate this issue that is causing random text to be added to inbound multi-segmented SMS messages.
Apr 4, 16:17 PDT
Update - We are continuing to investigate this issue and will provide an update as soon as we have additional information.
Apr 4, 07:56 PDT
Update - We are continuing to investigate this issue and will provide an update as soon as we have additional information.
Apr 4, 03:50 PDT
Update - We are continuing to investigate this issue and will provide an update as soon as we have additional information.
Apr 4, 01:51 PDT
Update - We are continuing to investigate this issue and will provide an update as soon as we have additional information.
Apr 3, 23:41 PDT
Investigating - We have detected that multi segmented inbound messages sent from Verizon numbers to Twilio Toll free numbers may have random text added to them. Our engineers are working with our carrier partners to resolve this issue. We will provide an update as soon as we have additional information.
Apr 3, 22:34 PDT
Resolved - All systems are operational
Apr 4, 02:12 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 4, 01:53 PDT
Apr 3, 2020
Resolved - This incident has been resolved.
Apr 3, 13:08 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Apr 3, 12:50 PDT
Update - We are continuing to investigate failures of inbound calls to a subset of Twilio numbers in Belgium.
Apr 3, 12:28 PDT
Update - We are are continuing to investigate failures of inbound calls to a subset of Twilio numbers in Belgium.
Apr 3, 10:24 PDT
Update - We have been experiencing Inbound calls to a subset of Twilio Belgium Numbers failing intermittently. Our engineering team is actively investigating the issue with our carrier partners. We will update as soon as we have more information.
Apr 3, 08:32 PDT
Investigating - We have been experiencing Inbound calls to a subset of Twilio Belgium Numbers failing intermittently. Our engineering team is actively investigating the issue with our carrier partners. We will update as soon as we have more information.
Apr 3, 08:07 PDT
Resolved - This incident has been resolved.
Apr 3, 11:41 PDT
Update - We are continuing to investigate this issue that appears to result in delayed processing of account balance changes.
Apr 3, 11:12 PDT
Update - For some customers, we are observing issues regarding account balance changes such as payments that are failing to process in a timely manner, causing some customers to remain with negative account balances after completing payments. Other impacts include account balances potentially running down before recharge payments are processed. Our engineers are working to resolve the issue. We will provide an update as soon as we have more information.
Apr 3, 10:13 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 3, 09:50 PDT
Resolved - The issue was resolved and the traffic to Mauritania is flowing as per usual.
Apr 3, 07:56 PDT
Monitoring - Our partners have applied a fix and the service is restored. We are continuing to monitoring the traffic towards this destination closely.
Apr 3, 06:42 PDT
Identified - Our partners have identified the issue and we are actively working with them on restoring the service. We will provide more information as soon as more updates become available to us.
Apr 3, 03:15 PDT
Investigating - We are experiencing delivery failures sending to Mauritania. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Apr 3, 00:56 PDT
Completed - The scheduled maintenance has been completed.
Apr 3, 05:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 2, 23:00 PDT
Scheduled - The AT&T network in Mexico will be conducting emergency maintenance on their SMS platform from 2 April 2020 at 23:00 PDT until 3 April 2020 at 05:00 PDT. During this maintenance window, there could be intermittent delays delivering SMS to and from AT&T Mexico handsets.
Apr 2, 18:31 PDT
Apr 2, 2020
Resolved - This incident has been resolved.
Apr 2, 18:38 PDT
Update - We are observing message delivery issues for our domestic registered senderID SMS sent to XL in Indonesia. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Apr 2, 17:50 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 2, 17:38 PDT
Resolved - Our engineers have identified the fix for the issue impacting accounts with JPY currency being unable to access the support plans page. We will be reaching out to affected customers directly.
Apr 2, 16:04 PDT
Update - We are continuing to work on a fix for the issue that is preventing customers from accessing the support plans page.
Apr 2, 14:18 PDT
Update - We are continuing to work on a fix for this issue.
Apr 2, 10:02 PDT
Identified - The issue has been identified and the engineering team is working on implementing a fix. We will provide further updates as the information becomes available.
Apr 2, 05:58 PDT
Update - Our engineers are continuing to work to resolve the issue. We will provide further updates as the information becomes available.
Apr 2, 03:48 PDT
Investigating - We have detected an issue where Twilio accounts with JPY as current are not able to access the support plans page within the console. Our engineers are working to resolve the issue.
Apr 2, 02:24 PDT
Resolved - This incident has been resolved.
Apr 2, 14:24 PDT
Update - We are continuing to investigate this issue.
Apr 2, 12:38 PDT
Update - SMS messages are failing to be delivered to the Brazil Claro network. Our engineers are working with the underlying carrier to resolve the issue. We will provide more information as it is received.
Apr 2, 11:26 PDT
Update - We are continuing to investigate this issue.
Apr 2, 11:15 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 2, 11:13 PDT
Resolved - This incident has been resolved.
Apr 2, 13:16 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Apr 2, 12:50 PDT
Identified - The issue has been identified and a fix is being implemented.
Apr 2, 11:42 PDT
Update - Attempts to call the video recording API are failing with HTTP 500 errors at a 5% rate. Our engineers investigating the issue. We will provide more information as it is received.
Apr 2, 11:34 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 2, 11:17 PDT
Resolved - This incident has been resolved.
Apr 2, 09:24 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 2, 07:23 PDT
Investigating - We're currently observing non-deliveries for outbound messages to handsets belonging to the Axis network in Indonesia. Our engineers are working with our carrier partner to resolve this issue.
Apr 2, 05:16 PDT
Resolved - This incident has been resolved.
Apr 2, 03:18 PDT
Monitoring - We are observing successful SMS deliveries to Airtel Nigeria. We will continue to monitor to ensure a full recovery.
Apr 2, 03:06 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 2, 02:55 PDT
Investigating - We're currently observing delays for outbound messages to Airtel network in Nigeria. Our engineers are working with our carrier partner to resolve this issue.
Apr 2, 01:44 PDT
Completed - The scheduled maintenance has been completed.
Apr 2, 01:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 20:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting emergency maintenance from 1 April 2020 at 19:00 PDT until 2 April at 2020 01:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from below US carriers via a subset of Twilio US shortcodes.

Union Telephone USA
West Central Wireless USA
Bluegrass Cellular USA
Carolina West Wireless USA
Rural Independent Network Alliance (RINA) USA
Illinois Valley Cellular USA
Inland Cellular USA
Nex Tech Communications USA
CellCom USA
Alaska Communications Systems (ACS) USA
GCI Communications USA
Thumb Cellular USA
Cross Wireless USA
Chat Mobility USA
Northwest Missouri Cellular USA
Panhandle Wireless USA
Viaero Wireless USA
MTPCS Cellular One (Cellone Nation) USA
Duet Wireless USA
SouthernLINC USA
Standing Rock Telecom USA
SRT Communications USA
Copper Valley Telecom USA
ASTAC USA
Cordova USA
Pine Belt USA
Shelcomm USA
James Valley Cellular USA
Apr 1, 19:57 PDT
Resolved - We are no longer experiencing delivery failures on Namaste Nepal Telecom. This incident has been resolved.
Apr 2, 01:00 PDT
Monitoring - We are observing successful delivery on Namaste Nepal Telecom. We will continue to monitor to ensure a full recovery.
Apr 1, 23:34 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 1, 20:59 PDT
Investigating - We are currently observing non-deliveries of SMS messages to Namaste Nepal Telecom. Our engineers are working with our carrier partners to resolve this issue. We will provide an update as soon as we have additional information.
Apr 1, 19:44 PDT
Completed - The scheduled maintenance has been completed.
Apr 2, 00:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 21:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting a planned maintenance from 1 April 2020 at 21:00 PDT until 2 April 2020 at 00:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from US Toll-Free numbers.
Mar 29, 18:30 PDT
Completed - The scheduled maintenance has been completed.
Apr 2, 00:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 23:00 PDT
Scheduled - The Verizon network in the US is conducting emergency maintenance from 01 April 2020 at 23:00 PST until 02 April 2020 at 00:00 PST. During the maintenance window, there could be intermittent delays delivering MMS to and from Verizon US handsets via US shortcodes.
Mar 22, 17:50 PDT
Apr 1, 2020
Resolved - The recovery of client events and metrics is now completed. This incident has been resolved.
Apr 1, 22:54 PDT
Update - Call summaries are now caught up and available. Recovery of client events and metrics is in progress.
Apr 1, 21:43 PDT
Update - Recovery is still ongoing. We will update as soon as we have more information.
Apr 1, 19:25 PDT
Update - We have started to see a recovery of call summary creation and the delayed data is being populated
Apr 1, 17:10 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Apr 1, 17:08 PDT
Update - We have identified that call summaries are now impacted in addition to events and metrics. We are continuing to work on a fix for this issue.
Apr 1, 16:08 PDT
Update - We are continuing to work on a fix for this issue.
Apr 1, 15:41 PDT
Identified - The issue has been identified and a fix is being implemented.
Apr 1, 14:45 PDT
Update - Publishing of Voice insights data for client events and metrics is delayed via the Console and API. Our engineers are currently investigating. We will provide more information as it is received.
Apr 1, 13:57 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 1, 13:51 PDT
Resolved - This incident has been resolved.
Apr 1, 17:11 PDT
Update - Users who navigate to the ‘/user/settings’ and ‘/project/settings’ pages in the console receive an error after attempting to authenticate. This prevents users from being able to make changes to user and project settings. Our engineers are currently investigating. We will provide more information as it is received.
Apr 1, 16:58 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 1, 16:50 PDT
Resolved - Our engineers have identified the issue resulting in HTTP 500s for a very small number of requests to signup for Twilio's Impact Access Program. Support resources will be reaching out to impacted customers directly.
Apr 1, 12:28 PDT
Update - Attempts to sign up for Twilio’s Impact Access program are resulting in HTTP 500 errors, causing customers to be unable to complete the signup flow. Our engineers are currently investigating. We will provide more information as it is received.
Apr 1, 12:17 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Apr 1, 12:00 PDT
Resolved - This incident has been resolved.
Apr 1, 08:56 PDT
Investigating - We're currently observing some outbound call failures to Indonesia . Our engineers are working with our carrier partner to resolve this issue.
Apr 1, 08:04 PDT
Resolved - This incident has been resolved.
Apr 1, 05:10 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Apr 1, 05:01 PDT
Investigating - We're currently observing non-deliveries for outbound messages to Airtel network in Niger. Our engineers are working with our carrier partners to resolve this issue.
Apr 1, 04:03 PDT
Completed - The scheduled maintenance has been completed.
Apr 1, 03:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 00:00 PDT
Scheduled - The T-Mobile network in the US is conducting an emergency maintenance from 1 April 2020 at 00:00 PDT until 1 April 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from T-Mobile US handsets via US Toll-Free numbers.
Mar 31, 17:00 PDT
Resolved - This incident has been resolved.
Apr 1, 00:01 PDT
Monitoring - We are seeing signs of recovery in message delivery issues when sending messages over Viettel network in Vietnam over our pre-registered sender ID route. We will continue to monitor to ensure a full recovery.
Mar 31, 23:00 PDT
Investigating - We are observing delivery issue to the Viettel network in Vietnam over our pre-registered sender ID route. Our engineers have implemented a work around to save SMS delivery over routes that do not preserve the pre-registered sender ID. As a result, SMS messages might be delivered with either a random longcode or random alphanumeric sender ID. We are also working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Mar 31, 21:36 PDT
Mar 31, 2020
Resolved - We are seeing full recovery in the SMS delivery issue to Verizon US over Toll-Free Numbers. This issue is resolved.
Mar 31, 23:39 PDT
Monitoring - We are seeing signs of recovery in message delivery to the Verizon network in the US over toll-free numbers. We will continue to monitor to ensure a full recovery.
Mar 31, 23:09 PDT
Update - We are continuing to investigate this issue.
Mar 31, 22:26 PDT
Update - We are continuing to investigate this issue.
Mar 31, 22:25 PDT
Update - We are continuing to investigate this issue.
Mar 31, 22:22 PDT
Investigating - We are currently observing SMS delivery issues to the Verizon network in the US over toll-free numbers. Our engineers are working with our carrier partner to resolve the issue. We will post further updates here as information becomes available.
Mar 31, 22:21 PDT
Resolved - This incident has been resolved.
Mar 31, 17:23 PDT
Update - We are continuing to investigate this issue.
Mar 31, 16:16 PDT
Update - We are continuing to investigate this issue.
Mar 31, 14:53 PDT
Update - We are continuing to investigate this issue.
Mar 31, 13:56 PDT
Update - SMS messages without pre-approved SenderID (ie. from Twilio Long Codes) are failing to be delivered to the XL network in Indonesia at a ~5% rate. Customers using Alpha SenderIDs are not impacted. Our engineers are working with the underlying carrier. We will provide more information as it is received.
Mar 31, 12:56 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 31, 12:13 PDT
Resolved - This incident has been resolved.
Mar 31, 14:52 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 31, 12:00 PDT
Identified - The issue has been identified and a fix is being implemented.
Mar 31, 11:42 PDT
Update - Customers who attempt to re-purchase recently released phone numbers through the Twilio console are experiencing generic errors and as a result are unable to complete the purchase flow. Our engineers are working to fix the issue as soon as possible. We will provide more information as it is received.
Mar 31, 10:47 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 31, 10:40 PDT
Resolved - This incident has been resolved.
Mar 31, 13:18 PDT
Update - Some debugger events are failing to be published, causing notifications and logs for debug events to be unavailable in the console, and notifications to not be sent. Our engineers are investigating. We will provide more information as it is received.
Mar 31, 13:15 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 31, 13:03 PDT
Completed - The scheduled maintenance has been completed.
Mar 31, 04:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 31, 02:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting emergency maintenance from 31 March 2020 at 02:00 PDT until 31 March at 2020 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from below US carriers via US standard longcodes.

A-Mobile
AWCC Allied Wireless USA
Aerialink USA Operator
Aliant
Appalachian Wireless
Appalachian Wireless
Bandwidth via ClearSky USA
Brightlink USA
Buffalo Lake Erie aka Blue Wireless
CTC Telecom Mosaic USA
Cellular One NE AZ USA
Chariton Valley Cellular
Custer Tel Coop USA
DTC Wireless US
Digital Communications Consulting
Element Mobile
Enflick US
Epic Touch USA
INTELIQUENT INC
Immix
Layered Communications USA
Leaco Rural Telephone USA
MTA Communications
MobiPCS USA
Mohave Cellular
Peoples Wireless USA
Pine Cellular
Pinger USA
Pioneer Wireless US
Revol
SageBrush UMTS USA
Sagebrush Cellular USA
Siwireless USA
Spotlight Media Corporation
Telnyx USA operator
TextMe USA
TextNow Wireless USA
Triangle Mobile USA
Union Wireless USA
United Wireless
iWireless
Mar 29, 18:32 PDT
Completed - The scheduled maintenance has been completed.
Mar 31, 04:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 30, 22:00 PDT
Scheduled - The Sprint US network in the US is conducting an emergency maintenance from 30 March 2020 at 22:00 PDT until 31 March 2020 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from Sprint US handsets via a subset of US shortcodes.
Mar 29, 18:29 PDT
Mar 30, 2020
Resolved - This incident has been resolved.
Mar 30, 19:45 PDT
Identified - The issue has been identified and a fix is being implemented.
Mar 30, 17:35 PDT
Update - Attempts to bridge conferences using Task Router and Programmable Voice are failing with 16001 errors. Our engineers are working to fix the issue as soon as possible. We will provide more information as it is received.
Mar 30, 16:35 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 30, 16:01 PDT
Resolved - We are no longer experiencing SMS delivery delays when sending messages to Al Madar in Libya. This incident has been resolved.
Mar 30, 19:26 PDT
Monitoring - We are seeing signs of recovery in SMS delivery delays when sending messages to Al Madar in Libya. We will continue to monitor to ensure a full recovery.
Mar 30, 18:49 PDT
Investigating - We are experiencing SMS delivery delays when sending messages to Al Madar in Libya. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Mar 30, 18:21 PDT
Resolved - This incident has been resolved.
Mar 30, 17:21 PDT
Update - We are experiencing timeouts, delayed responses and failures with our SIP trunking, Pricing, and Numbers APIs. Our engineers are working to fix the issue as soon as possible. We will provide more information as it is received.
Mar 30, 16:04 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 30, 15:51 PDT
Resolved - This incident has been resolved.
Mar 30, 16:37 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 30, 15:57 PDT
Update - We are observing SMS delays to and from Sprint over shortcodes in US. The carrier is aware of this issue and is working to resolve it as soon as possible. There is currently no estimated time to resolution, however, we will issue an update as soon as more information becomes available.
Mar 30, 15:29 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 30, 15:28 PDT
Resolved - This incident has been resolved.
Mar 30, 14:29 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 30, 14:22 PDT
Update - We are experiencing an increased latency and 500 level errors for Rest API operations involving SMS, Voice, and Taskrouter. This is also impacting the performance of our Studio product. Our engineering team is actively investigating the issue
Mar 30, 14:15 PDT
Update - We are continuing to investigate this issue.
Mar 30, 14:04 PDT
Update - We are continuing to investigate this issue.
Mar 30, 13:50 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 30, 13:46 PDT
Resolved - This incident has been resolved.
Mar 30, 08:00 PDT
Monitoring - We are observing recovery in voice traffic inbound to Mexico City Twilio numbers. We will continue to monitor this situation and will provide an update as soon as more information becomes available.
Mar 30, 07:25 PDT
Update - We are continuing to work with our carrier partner to resolve the issue. We will provide further updates as the information becomes available.
Mar 30, 06:02 PDT
Investigating - Our monitoring system has detected an issue where voice calls to a subset of Mexico City Twilio Numbers are failing, our engineers are working with our carrier partner to resolve the issue. We will post further updates as information becomes available.
Mar 30, 05:03 PDT
Completed - The scheduled maintenance has been completed.
Mar 30, 05:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 29, 23:00 PDT
Scheduled - The AT&T network in Mexico will be conducting planned maintenance on their SMS platform from 29 March 2020 at 23:00 PDT until 30 March 2020 at 05:00 PDT. During this maintenance window, there could be intermittent delays delivering SMS to and from AT&T Mexico handsets.
Mar 22, 17:44 PDT
Completed - The scheduled maintenance has been completed.
Mar 30, 03:01 PDT
Update - SMS delivery to T-Mobile US over US/CA Toll-Free numbers appears to have recovered. The maintenance is scheduled to run up until 03:00 PDT and we will continue to monitor on our side. Our next update will be when this maintenance is completed
Mar 29, 23:35 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 29, 21:00 PDT
Update - The T-Mobile network in the US is conducting a planned maintenance from 29 March 2020 at 21:00 PDT until 30 March 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from T-Mobile US handsets via US shortcodes and US Toll-Free numbers.
Mar 29, 18:28 PDT
Scheduled - The T-Mobile network in the US is conducting a planned maintenance from 29 March 2020 at 21:00 PDT until 30 March 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from T-Mobile US handsets via US shortcodes and US Toll-Free numbers.
Mar 29, 17:44 PDT
Completed - The scheduled maintenance has been completed.
Mar 30, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 29, 23:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting a planned maintenance from 29 March 2020 at 23:00 PDT until 30 March 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from a subset of US shortcodes and US longcodes.
Mar 23, 18:48 PDT
Mar 29, 2020
Resolved - We are seeing full recovery in message delivery over Sprint shortcodes. This issue is resolved.
Mar 29, 12:59 PDT
Monitoring - We are seeing signs of recovery in message delivery delays when sending messages over Sprint shortcodes. We will continue to monitor to ensure a full recovery.
Mar 29, 12:28 PDT
Update - We continue to see heavy delays for outbound messages over Sprint shortcodes in the US. The carrier is aware of this issue and is working to resolve it as soon as possible. There is currently no estimated time to resolution, however, we will issue an update as soon as more information becomes available.
Mar 29, 11:30 PDT
Identified - We are observing SMS delays to and from Sprint over shortcodes in US. The carrier is aware of this issue and is working to resolve it as soon as possible. There is currently no estimated time to resolution, however, we will issue an update as soon as more information becomes available.
Mar 29, 09:33 PDT
Investigating - We are currently observing SMS delays to and from Sprint over shortcodes in US. Our engineers are working with our carrier partner to resolve the issue. We will post further updates here as information becomes available.
Mar 29, 08:37 PDT
Completed - The scheduled maintenance has been completed.
Mar 29, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 28, 22:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting a planned maintenance from 28 March 2020 at 22:00 PDT until 29 March 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from a subset of US shortcodes and US longcodes.
Mar 22, 17:57 PDT
Mar 28, 2020
Resolved - We are no longer experiencing SMS delivery delays when sending messages to Al Madar in Libya. This incident has been resolved.
Mar 28, 16:01 PDT
Monitoring - We are seeing signs of recovery in SMS delivery delays when sending messages to Al Madar in Libya. We will continue to monitor to ensure a full recovery.
Mar 28, 15:32 PDT
Update - Our engineers are still investigating this issue with the underlying carrier. We will provide more updates as soon as they become available.
Mar 28, 12:49 PDT
Investigating - We are experiencing SMS delivery delays when sending messages to Al Madar in Libya. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Mar 28, 11:51 PDT
Resolved - We are no longer experiencing SMS delivery delays when sending messages to Korek Telecom in Iraq. This incident has been resolved.
Mar 28, 13:16 PDT
Monitoring - We are seeing signs of recovery in SMS delivery to the Korek Telecom network in Iraq. We will continue to monitor to ensure a full recovery.
Mar 28, 12:19 PDT
Update - Our engineers are still investigating this issue with the underlying carrier. We will provide more updates as soon as they become available.
Mar 28, 11:27 PDT
Investigating - We are experiencing SMS delivery delays when sending messages to Korek Telecom in Iraq. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Mar 28, 10:21 PDT
Resolved - We are no longer experiencing delays in receiving delivery reports for SMS sent to NetOne Zimbabwe. This incident has been resolved.
Mar 28, 13:15 PDT
Monitoring - We are seeing signs of recovery for Delivery Reports to NetOne Zimbabwe. We will continue to monitor to ensure a full recovery.
Mar 28, 12:22 PDT
Update - Our engineers are still investigating this issue with the underlying carrier. We will provide more updates as soon as they become available.
Mar 28, 10:33 PDT
Update - We are observing delays in receiving delivery reports for SMS sent to NetOne Zimbabwe. We are working with our carrier partners to resolve the issue and will provide further updates as soon as they become available.
Mar 28, 09:51 PDT
Investigating - Our monitoring systems have detected a potential issue with Delivery Reports to NetOne Zimbabwe. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 28, 09:50 PDT
Mar 27, 2020
Resolved - We detected an abnormal amount of 500s caused by a bad Call-Service host. This incident began 2020-03-27 14:31:01 and ended when we replaced the bad Call-Service host at 2020-03-27 14:36:34
Mar 27, 14:30 PDT
Resolved - We are continuing to work with T-Mobile to resolve failing outbound calls made with the Caller ID set to anonymous. We will be reaching out to impacted customers with a solution. This incident is resolved.
Mar 27, 12:54 PDT
Identified - Our engineers have identified failing outbound calls made to T-Mobile in the US when the Caller ID is set to anonymous. We are actively working with our carrier partners to allow anonymous calling and will update as soon as we have more information.
Mar 27, 09:27 PDT
Update - Our engineers continue to work with our carrier partners to allow anonymous calling. We will provide an update as soon as we have more information.
Mar 27, 09:13 PDT
Update - Our engineers are actively working with our carrier partners to allow anonymous calling. We will provide an update as soon as we have more information.
Mar 26, 22:31 PDT
Update - We have received reports that when the caller ID is set to anonymous, calls are being rejected. We are actively working with our carrier partners to allow anonymous calling and will update as soon as we have more information.
Mar 26, 18:45 PDT
Investigating - Our monitoring systems have detected a potential issue when the caller ID is set to anonymous. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 26, 14:40 PDT
Resolved - Our engineers have deployed a fix for the increased failures in our Chat and Flex products. All systems are operating normally.
Mar 27, 12:32 PDT
Monitoring - Our engineers have deployed a fix for the increased failures in our Chat and Flex products. We are actively observing recovery and will update as soon as we have more information.
Mar 27, 12:10 PDT
Identified - Our engineers have identified the cause of increased failures in our Chat and Flex products. We are actively working on this issue and will update as soon as we have more information.
Mar 27, 11:43 PDT
Update - Our engineers have identified increased failures when logging in to Flex. We are actively working on this issue and will update as soon as we have more information.
Mar 27, 11:14 PDT
Investigating - Our monitoring systems have detected a potential issue regarding Taskrouter and Flex. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 27, 11:10 PDT
Resolved - A potential problem with Twilio Super SIM attaching to the LTE network has been resolved
Mar 27, 11:22 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 27, 10:21 PDT
Resolved - The issue was resolved. The SMS delivery is back to normal to MTN in South Africa.
Mar 27, 09:05 PDT
Update - Our engineers are still investigating this issue with the underlying carrier. We will provide more updates as soon as they become available.
Mar 27, 08:29 PDT
Investigating - We are experiencing SMS delivery delays when sending messages to MTN network in South Africa. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Mar 27, 06:43 PDT
Resolved - The issue was resolved and the traffic is at normal flow now.
Mar 27, 09:01 PDT
Investigating - Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 27, 07:20 PDT
Resolved - The issue was resolved and the service is back to the normal state.
Mar 27, 08:53 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 26, 17:33 PDT
Identified - At 12:07 pm PDT on 2020-03-25 a deployment created an issue that prevented the generation of 6% of TaskRouter events. These events are consumed by two systems:
1) A system that powers the Flex Teams Dashboard
2) A system that powers TaskRouter’s Cumulative Statistics API
This deployment was rolled back at 12:17 pm PDT on 2020-03-25 that restored the event publishing. Some Flex Tasks or Workers that missed an event during the affected window and haven’t had any updates since that time may show an incorrect status on the Flex Teams Dashboard. We are currently investigating a resolution for the Teams view that is showing stale data.
Mar 26, 16:00 PDT
Update - We are continuing to investigate this issue.
Mar 26, 15:12 PDT
Investigating - Our monitoring systems have detected a potential issue regarding Taskrouter and Flex. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 26, 15:03 PDT
Mar 26, 2020
Resolved - This incident has been resolved.
Mar 26, 22:17 PDT
Monitoring - We are observing successful SMS delivery for US short codes to small regional US carriers. We will continue to monitor to ensure a full recovery.
Mar 26, 22:03 PDT
Update - We further checked that we are experiencing SMS delivery delays when sending messages to small regional US carriers with a subset of Twilio Short Codes. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.

Please refer below list of carriers:
RINA
Union Wireless
West Central Wireless
Bluegrass Cellular
Illinois Valley Cellular
Inland Cellular
Nex Tech Communications
Limitless Mobile (formerly Immix)
Cellcom
Cellular One of East Central Illinois (ECIT) - DECOMMISSIONED
Alaska Communications Systems (ACS)
GCI Comm
(General Communications Inc. in AK)
Thumb Cellular
Chat Mobility
NW Missouri Cellular
Panhandle Wireless (aka PTCI)
Viaero Wireless
MTPCS Cellular One (aka Cellone Nation)
Duet IP
SouthernLinc
SRT Communications
Copper Valley Telecom
Mid-Rivers Communications
Carolina West
ASTAC (Arctic Slope Telephone Cooperative Association)
Cordova Telephone Cooperative Inc dba Cordova Wireless
Pine Belt
Shelcomm, Inc.
Standing Rock
Mar 26, 21:14 PDT
Investigating - We are experiencing SMS delivery delays when sending messages to NewCell in the USA with a subset of Twilio Short Codes. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Mar 26, 20:05 PDT
Resolved - This incident has been resolved.
Mar 26, 20:50 PDT
Monitoring - We are observing successful delivery on US short codes to Sprint and Virgin Mobile for the last 30 minutes. We will continue to monitor to ensure a full recovery.
Mar 26, 20:15 PDT
Update - We are still observing SMS delays impacting a subset of US short codes to Sprint and Virgin Mobile. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Mar 26, 18:37 PDT
Update - We are still observing SMS delays impacting a subset of US short codes to Sprint and Virgin Mobile. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Mar 26, 16:39 PDT
Investigating - We are observing SMS delays impacting a subset of US short codes to Sprint and Virgin Mobile. Both incoming and outgoing messages are affected. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Mar 26, 15:49 PDT
Completed - For more information on worldwide telephony network congestion please see the following page: https://support.twilio.com/hc/en-us/articles/360045682893-Worldwide-Telephony-Network-Congestion-Update
Mar 26, 15:02 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 17:06 PDT
Scheduled - Twilio and other vendors have seen a significant increase in Voice traffic to and from locations Globally. This has caused cases of intermittent All Circuits Busy and Temporarily Unavailable call failures. While there are no current major outages, we want customers to be aware of this traffic increase and be vigilant for these conditions.

Although this condition does exist, all issues reported to Twilio Support will continue to be investigated fully.
Mar 25, 17:03 PDT
Resolved - For more information on worldwide telephony network congestion please see the following page: https://support.twilio.com/hc/en-us/articles/360045682893-Worldwide-Telephony-Network-Congestion-Update
Mar 26, 15:01 PDT
Update - We still see inbound calls to Australian Twilio numbers fail due to traffic increases. Callers may hear a recorded announcement "The service to the telecommunication network you are calling is congested, please try again later." Our engineers are working with our carrier partners to increase the capacity to resolve the issue. We will provide an update as soon as we have additional information.
Mar 24, 22:42 PDT
Identified - We see Inbound calls to Australian Twilio numbers fail due to traffic increase. Callers may hear a recorded announcement “The service to the telecommunication network you are calling is congested, please try again later”. Our engineers are working with our carrier partners to increase the capacity to resolve the issue. We will provide an update as soon as we have additional information.
Mar 23, 19:20 PDT
Monitoring - We are observing recovery in voice traffic inbound to Australian Twilio numbers. We will continue to monitor this situation and will provide an update as soon as more information becomes available.
Mar 22, 23:50 PDT
Update - Our engineering team and carrier partner are continuing to work on a resolution. We will provide an update as soon as we have additional information.
Mar 22, 20:57 PDT
Identified - We see Inbound calls to Australian Twilio numbers fail due to an unexpected traffic increase. Callers may hear a recorded announcement “The service to the telecommunication network you are calling is congested, please try again later”. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Mar 22, 19:06 PDT
Resolved - The issue has been resolved and the traffic is at normal flow with no expected packet loss.
Mar 26, 05:24 PDT
Investigating - We are experiencing high traffic packet loss for inbound calls to Germany. our engineers are investigating the issue with the underlying carrier. We will provide more updates as soon as they become available.
Mar 26, 04:06 PDT
Completed - The scheduled maintenance has been completed.
Mar 26, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 20:00 PDT
Scheduled - The Sprint US network in the US is conducting emergency maintenance from 25 March 2020 at 20:00 PDT until 26 March 2020 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from Sprint US handsets via US shortcodes and a subset of US longcodes.
Mar 25, 17:36 PDT
Completed - The scheduled maintenance has been completed.
Mar 26, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 18:30 PDT
Scheduled - The AT&T network in the US is conducting emergency maintenance from 25 March 2020 at 18:30 PDT until 26 March 2020 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T US handsets via US shortcodes, US longcodes and US Toll-Free numbers.
Mar 23, 20:48 PDT
Completed - The scheduled maintenance has been completed.
Mar 26, 00:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 21:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting a planned maintenance from 25 March 2020 at 21:00 PDT until 26 March 2020 at 00:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from US Toll-Free numbers.
Mar 22, 17:55 PDT
Completed - The scheduled maintenance has been completed.
Mar 26, 00:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 23:00 PDT
Scheduled - The Verizon network in the US is conducting emergency maintenance from 25 March 2020 at 23:00 PST until 26 March 2020 at 00:00 PST. During the maintenance window, there could be intermittent delays delivering MMS to and from Verizon US handsets via US shortcodes.
Mar 22, 17:47 PDT
Mar 25, 2020
Resolved - This incident has been resolved.
Mar 25, 19:27 PDT
Monitoring - We are observing signs of recovery with SMS delivery to Ethiopia / ETH-MTN. We will continue to monitor to ensure a full recovery.
Mar 25, 18:33 PDT
Investigating - We are observing message failures for all outbound messages to Ethiopia / ETH-MTN. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Mar 25, 15:51 PDT
Resolved - This incident has been resolved.
Mar 25, 17:13 PDT
Monitoring - We are seeing recovery on our Programmable Video Rooms APIs. Our engineers will continue to monitor the situation.
Mar 25, 12:27 PDT
Update - We are experiencing elevated HTTP 500 responses and increased API latency on Programmable Video Rooms APIs. Our engineers are working to resolve the issue. We will provide an update as soon as we have additional information.
Mar 25, 10:49 PDT
Investigating - Our monitoring systems have detected a potential issue with our Programmable Video Rooms endpoint. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Mar 25, 10:42 PDT
Completed - The scheduled maintenance has been completed.
Mar 25, 12:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 11:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting a planned maintenance from 25 March 2020 at 11:00 PDT until 25 March 2020 at 12:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from US handsets when sending to and from a subset of US shortcodes.
Mar 23, 18:35 PDT
Resolved - Between 09:29:00 AM PT and 09:43:00 AM PT we experienced an outage on our Authy and Verify v1 outbound SMS delivery.
Mar 25, 09:29 PDT
Completed - The scheduled maintenance has been completed.
Mar 25, 08:00 PDT
Update - We are observing recovery in voice traffic to and from locations Globally. We will continue to monitor this situation and will provide an update as soon as more information becomes available.
Mar 23, 00:45 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 22, 07:05 PDT
Scheduled - Twilio and other vendors have seen a significant increase in Voice traffic to and from locations Globally. This has caused cases of intermittent All Circuits Busy and Temporarily Unavailable call failures. While there are no current major outages, we want customers to be aware of this traffic increase and be vigilant for these conditions.

Although this condition does exist, all issues reported to Twilio Support will continue to be investigated fully.
Mar 22, 07:05 PDT
Resolved - The issue has been resolved. The traffic is back to normal with no expected packet loss.
Mar 25, 05:59 PDT
Investigating - We are experiencing high traffic packet loss for inbound calls to Germany. our engineers are investigating the issue with the underlying carrier. We will provide more updates as soon as they become available.
Mar 25, 03:24 PDT
Completed - The scheduled maintenance has been completed.
Mar 25, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 24, 23:00 PDT
Scheduled - T-Mobile network in the US is conducting emergency maintenance from 24 March 2020 at 23:00 PDT until 25 March 2020 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from T-Mobile US handsets via US shortcodes and US Toll-Free numbers.
Mar 23, 18:39 PDT
Completed - The scheduled maintenance has been completed.
Mar 25, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 24, 21:00 PDT
Scheduled - Our SMS carrier partner in the US is conducting emergency maintenance from 24 March 2020 at 21:00 PDT until 25 March at 2020 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from below US carrier via a subset of Twilio US shortcodes.

Impacted Carrier(s):
Union Telephone USA
West Central Wireless USA
Bluegrass Cellular USA
Carolina West Wireless USA
Rural Independent Network Alliance (RINA) USA
Illinois Valley Cellular USA
Inland Cellular USA
Nex Tech Communications USA
CellCom USA
Alaska Communications Systems (ACS) USA
GCI Communications USA
Thumb Cellular USA
Cross Wireless USA
Chat Mobility USA
Northwest Missouri Cellular USA
Panhandle Wireless USA
Viaero Wireless USA
MTPCS Cellular One (Cellone Nation) USA
Duet Wireless USA
SouthernLINC USA
Standing Rock Telecom USA
SRT Communications USA
Copper Valley Telecom USA
ASTAC USA
Cordova USA
Pine Belt USA
Shelcomm USA
James Valley Cellular USA
Mar 18, 17:52 PDT
Completed - The scheduled maintenance has been completed.
Mar 25, 00:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 24, 18:30 PDT
Scheduled - The AT&T network in the US is conducting emergency maintenance from 24 March 2020 at 18:30 PDT until 25 March 2020 at 00:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T US handsets via US shortcodes, US longcodes and US Toll-Free numbers.
Mar 23, 20:43 PDT