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Twilio Services
Issues related to Twilio’s Software
External Connectivity
Issues found outside of Twilio’s Network
MAINTENANCE UPDATE NOTIFICATIONS
UPCOMING CARRIER MAINTENANCE
External carriers notify us when they are conducting maintenance.
Subscribe for updates so you’ll know ahead of time about their potential service disruptions.
SYSTEM METRICS
Stay up to date on the speed at which you connect.
Know more, so you can do more.
Programmable Wireless usage data delayed
Identified - We are currently addressing an issue with a delay in Programmable Wireless usage data. Wireless usage data accessed through the Account Console or REST API is currently delayed. We are working with our carrier partner to resolve this issue. We will provide additional updates as more information becomes available.
Mar 24, 23:49 PDT
Uptime over the past 90 days. View historical uptime.
PROGRAMMABLE MESSAGING Operational
MMS Operational
SMS Operational
SMPP Operational
Channels Operational
Notify 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
CONTACT CENTER Operational
90 days ago
100.0 % uptime
Today
TaskRouter ? Operational
Flex Operational
Flex WFO Operational
90 days ago
100.0 % uptime
Today
ELASTIC SIP TRUNKING ? Operational
INTERCONNECT Operational
PHONE NUMBERS ? Operational
PROGRAMMABLE CHAT Operational
PROGRAMMABLE FAX Operational
PROGRAMMABLE VIDEO Operational
Peer-to-Peer Rooms Operational
Network Traversal Service ? Operational
Group Rooms Operational
PROGRAMMABLE WIRELESS Degraded Performance
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 Operational
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 Operational
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

No incidents or maintenance related to this downtime.

Scheduled Maintenance
US short code SMS carrier maintenance March 25 23:00 - March 26 03:00 PDT Mar 25, 23:00 - Mar 26, 03:00 PDT
The Sprint mobile network in the US will be conducting maintenance on their SMS short code platform on Monday, March 25 23:00 - Tuesday, March 26 03:00 PDT. During this time customers may experience message delays for SMS sent to and from Sprint handsets over short codes and also delays in message status events. SMS long codes and toll-free are not impacted during the maintenance window.
Maintenance period:
US Pacific: 2019-03-25 23:00 - 2019-03-26 03:00 PDT
US Eastern: 2019-03-26 02:00:00 - 2019-03-26 06:00:00 EDT
Posted on Mar 22, 13:34 PDT
US short code SMS carrier maintenance March 28 23:00 - March 29 03:00 PDT Mar 28, 23:00 - Mar 29, 03:00 PDT
The Sprint mobile network in the US will be conducting maintenance on their SMS short code platform on Thursday, March 28 23:00 - Friday, March 29 03:00 PDT. During this time customers may experience message delays for SMS sent to and from Sprint handsets over short codes and also delays in message status events. SMS long codes and toll-free are not impacted during the maintenance window.
Posted on Mar 22, 13:43 PDT
System Metrics Month Week Day
API Uptime
Fetching
API Response Time - North America
Fetching
API Response Time - Europe
Fetching
Past Incidents
Mar 25, 2019
Voice Insights data delayed
Resolved - Voice Insights systems are now fully operational and the insights data is fully caught up.
Mar 25, 04:17 PDT
Monitoring - We have implemented a fix and are seeing recovery. We expect the insights data to be fully caught up in the next 15 minutes.
Mar 25, 04:05 PDT
Identified - We have identified the root cause of the issue and are implementing the fix.
Mar 25, 03:34 PDT
Investigating - We're investigating an issue with Voice Insights. Voice Insights data is delayed. Our team is working on this issue. We'll post updates as more information becomes available.
Mar 25, 03:21 PDT
SMS Delivery Failures to MCI Network, Iran
Resolved - We are now observing full and stable recovery for SMS sent to the MCI network in Iran. This issue is now resolved.
Mar 25, 03:28 PDT
Investigating - We have detected an increase in delivery failures for SMS sent to the MCI mobile network in Iran. 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, 02:01 PDT
Mar 23, 2019

No incidents reported.

Mar 22, 2019
AT&T SMS & MMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
Mar 22, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 21, 19:01 PDT
Scheduled - The AT&T network in the US will be conducting emergency maintenance on their short code and toll-free platform on Thursday, March 21 19:00 - Friday, March 22 04:00 (PDT). During this time customers may experience message delays for SMS and MMS sent to and from AT&T US handsets via short codes and toll-free numbers. Messages sent via long codes is not expected to be impacted.
Mar 19, 10:26 PDT
US short code and toll-free SMS carrier maintenance March 22 00:00 - March 22 03:00 PDT
Completed - The scheduled maintenance has been completed.
Mar 22, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 22, 00:00 PDT
Scheduled - Our carrier partner in the US will be conducting maintenance on their SMS platform on Friday, March 22 00:00 - Friday, March 22 03:00 PDT. During this time customers may experience message delays for SMS sent to and from T-Mobile handsets over short codes and toll-free numbers and also delays in message status events. Messages sent via long codes are not impacted during this maintenance window.
Mar 21, 14:56 PDT
Sprint US - Short Code SMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
Mar 22, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 21, 23:00 PDT
Scheduled - The Sprint network in the US will be conducting emergency maintenance on their short code SMS platform on Thursday, March 21 23:00 - Friday, March 22 03:00 (PDT). During this time customers may experience message delays for short code SMS sent to and from Sprint US handsets. Messages sent via long codes and to other networks will not be impacted.
Mar 20, 04:57 PDT
US Toll-Free SMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
Mar 22, 00:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 21, 22:00 PDT
Scheduled - Our carrier partner for US/Canada Toll-Free SMS traffic is conducting maintenance on their platform on Thursday 21 March 2019 22:00 - Friday 22 March 2019 00:00 (PDT). During the maintenance window, there could be intermittent delays delivering Toll-Free SMS to and from US handsets
Mar 15, 11:23 PDT
Mar 21, 2019
US Toll-Free SMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
Mar 21, 00:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 20, 22:00 PDT
Scheduled - Our carrier partner for US/Canada Toll-Free SMS traffic is conducting maintenance on their platform on Wednesday 20 March 2019 22:00 - Thursday 21 March 2019 00:00 (PDT). During the maintenance window, there could be intermittent delays delivering Toll-Free SMS to and from US handsets.
Mar 15, 11:19 PDT
Mar 20, 2019
Delays sending and receiving MMS over US short codes and long codes.
Resolved - All services are operating normally.
Mar 20, 23:47 PDT
Monitoring - We are continuing to observe delays in sending and receiving MMS over US short codes. We are observing recovery in sending and receiving MMS over US long codes. We will continue to monitor and provide an update.
Mar 20, 22:18 PDT
Identified - We are observing delays in sending and receiving MMS over US short codes and long codes. We will continue to monitor and provide an update in 2 hours or sooner.
Mar 20, 19:09 PDT
Failures in sending SMS from short codes to Bell Mobility Canada
Resolved - We have confirmed that we are no longer seeing failures in sending SMS from short codes to Bell Mobility Canada.
Mar 20, 22:17 PDT
Monitoring - We are observing recovery in sending SMS from short codes to Bell Mobility Canada. We are continuing to monitor and will provide an update soon.
Mar 20, 19:56 PDT
Update - We are continuing to observe failures in sending SMS from short codes to Bell Mobility Canada. We are continuing to work with our providers to resolve this issue. We will provide you with an update in 2 hours or sooner.
Mar 20, 19:08 PDT
Identified - We are observing failures in sending SMS from short codes to Bell Mobility Canada. We are working with our providers to resolve this.
Mar 20, 18:16 PDT
Mar 19, 2019
SMS delivery delayed for Sprint in US
Resolved - All services are operating normally.
Mar 19, 02:12 PDT
Monitoring - We have detected delays delivering SMS to Sprint in the US. The carrier has issued a notice that emergency maintenance may be ongoing through 08:00 UTC and may delay SMS both to and from the carrier during this time. We continue to monitor the situation.
Mar 18, 22:42 PDT
Mar 18, 2019
SMS Carrier Maintenance - Beeline Network in Russia
Completed - The scheduled maintenance has been completed.
Mar 18, 19:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 18, 14:00 PDT
Scheduled - The Beeline mobile network in Russia will be conducting maintenance on their SMS platform on Monday 18 March 2019 between 14:00 - 19:00 (PDT). During the maintenance window, customers may experience intermittent delays for messages sent to and from Beeline handsets in Russia.
Mar 18, 09:14 PDT
Failures receiving calls in multiple European countries.
Resolved - This incident has been resolved.
Mar 18, 16:15 PDT
Monitoring - We are seeing recovery in receiving calls to some of the numbers in European countries including Italy, Belgium, Germany, Portugal, Luxembourg, Romania, Spain, Poland, Sweden, Ireland and Netherlands. We will continue to monitor and provide an update shortly.
Mar 18, 13:46 PDT
Update - We are continuing to observe failures receiving calls to some of the numbers in European countries including Italy, Belgium, Germany, Portugal, Luxembourg, Romania, Spain, Poland, Sweden, Ireland and Netherlands. We are working with our carrier partner to resolve the issue. We will provide an update in 2 hours or earlier when we have further information.
Mar 18, 13:29 PDT
Investigating - We are observing failures receiving calls to some of the numbers in multiple European countries including Italy, Belgium, Germany, Portugal, Netherlands, Romania and Luxembourg. We are working with our carrier partner to resolve the issue. We will provide an update as soon as possible.
Mar 18, 10:52 PDT
MMS Delivery Receipt Delays to US Handsets
Resolved - The delayed delivery report issue which affected MMS sent from and to US shortcodes and long codes is now resolved. MMS delivery is now operating normally
Mar 18, 01:03 PDT
Investigating - We are experiencing delays in delivery receipts for outbound MMS messages sent to US mobile devices over some long codes and short codes. We are working with our carrier partners to resolve this issue. We will provide more information as soon as available
Mar 17, 17:22 PDT
Mar 17, 2019
Verizon US - Toll-Free SMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
Mar 17, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 16, 20:00 PDT
Scheduled - Our carrier partner for US/Canada Toll-Free SMS traffic is conducting maintenance on Saturday 16 March 2019 20:00 - Sunday 17 March 2019 04:00 (PDT). During the maintenance window, there could be intermittent delays delivering Toll-Free SMS to and from Verizon US handsets.
Mar 15, 02:12 PDT
Mar 16, 2019
Wireless SIM connectivity in Austin Texas is unavailable
Resolved - The issue affecting Wireless SIM cards in Austin, Texas has been resolved
Mar 16, 18:07 PDT
Update - We are continuing to work with our carrier partners to resolve this incident. Next update within four hours.
Mar 16, 16:07 PDT
Investigating - We are currently experiencing an outage affecting Wireless SIM cards in Austin, Texas. We are currently working with our carrier providers to restore connectivity. We will provide an update in the next two hours
Mar 16, 13:51 PDT
Mar 15, 2019
Elevated error rates serving Twilio Assets
Resolved - The incident is fully resolved
Mar 15, 23:25 PDT
Investigating - We are investigating elevated HTTP 500 errors on Twilio Assets
Mar 15, 21:21 PDT
Undelivered SMS from US Twilio Short Codes
Resolved - SMS delivery to Verizon, T-Mobile, and Metro PCS handsets in the US from a subset of Twilio US short codes is now operational. SMS to North America is currently operating normally.
Mar 15, 12:36 PDT
Investigating - We are observing messages not being delivered to Verizon, T-Mobile, and Metro PCS handsets in the US from a subset of Twilio US short codes. We are actively working with our carrier partner to resolve the issue. We will provide an update as soon as possible
Mar 15, 11:46 PDT
US Toll-Free SMS Delivery Delays to Sprint
Resolved - This incident has been resolved.
Mar 15, 04:12 PDT
Monitoring - We are observing full recovery in toll-free SMS delivery to Sprint US handsets. Our engineering teams will continue to monitor.
Mar 15, 01:30 PDT
Investigating - We have detected delays in delivering toll-free SMS to Sprint US handsets. We are working with our carrier partner to resolve the issue and will provide additional information as it becomes available.
Mar 15, 01:10 PDT
MMS Delivery Receipt Delay for Twilio US Long Codes
Resolved - This incident has been resolved.
Mar 15, 00:25 PDT
Update - We are continuing to investigate the issue and will provide an update when available
Mar 14, 21:03 PDT
Investigating - We are observing MMS delivery receipt delay from Twilio US Long Codes. We are actively working with our carrier partner to resolve the issue. We will provide an update as soon as possible
Mar 14, 18:39 PDT
Mar 14, 2019
Unable to deliver SMS to Beeline Russia handsets in Russia
Resolved - We have confirmed recovery of sending SMS to Beeline Russia handsets in Russia. SMS to Europe is currently operating normally.
Mar 14, 20:51 PDT
Investigating - We are observing delivery failures of sending SMS to Beeline Russia handsets in Russia. We are actively working with our carrier partner to resolve the issue. We will provide an update as soon as possible
Mar 14, 18:07 PDT
Short Code SMS To AT&T and Cricket Wireless handsets in the US are delayed
Resolved - SMS delivery delays to AT&T and Cricket Wireless handsets in the US from a subset of Twilio US short codes have now been resolved. SMS to North America is currently operating normally
Mar 14, 19:20 PDT
Update - The delivery delay issue of SMS to AT&T from a subset of Twilio US short codes has now been resolved. Twilio is continuing to monitor delivery delay of SMS to Cricket Wireless from a subset of Twilio US short codes.
Mar 14, 17:15 PDT
Monitoring - We are observing recovery in sending SMS to AT&T and Cricket Wireless handsets in the US from a subset of Twilio US short codes. We are actively monitoring and we will provide update shortly.
Mar 14, 16:34 PDT
Investigating - We are observing delays in sending SMS to AT&T and Cricket Wireless from a subset of Short Codes. We are actively working with our partner to resolve the issue. We will provide an update as soon as possible
Mar 14, 15:30 PDT
SMS To TIM Brazil Handsets are delayed
Resolved - The issue of SMS delivery delay to TIM Brazil handsets in Brazil is now resolved. SMS to Latin America is currently operating normally.
Mar 14, 19:14 PDT
Monitoring - We are observing recovery in sending SMS to TIM Brazil handsets in Brazil. We are actively monitoring and we will provide an update shortly
Mar 14, 15:34 PDT
Investigating - We are observing delays in sending SMS to TIM Brazil handsets. We are actively working with our partner to resolve the issue. We will provide an update as soon as possible.
Mar 14, 13:44 PDT
T-Mobile US - Toll-Free and Short Code SMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
Mar 14, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 14, 00:00 PDT
Scheduled - The T-Mobile network in the US will be conducting emergency maintenance on their toll-free and short code SMS platform between Wednesday 13 March 2019 23:00 - Thursday March 14 2019 03:00 Pacific Time. During this time customers may experience message delays for SMS sent to and from T-Mobile handsets. Longcode SMS and MMS is not expected to be affected.
Mar 13, 04:25 PDT
Mar 13, 2019
Debug events unavailable in console and no alerts will trigger
Resolved - Our engineering team has restored the service. Debug events are showing in the console again and alerts are being triggered. Over the next few days, we will be backfilling debugging events that were received between 9:20am and 9:55am PDT.
Mar 13, 14:30 PDT
Update - Our engineering team has identified a fix to the issue and is validating the solution. We provide another update when the fix has been applied
Mar 13, 12:33 PDT
Identified - Currently, debug events are not being processed and alerts are not being triggered. We have identified the issue and are working on a resolution. We will provide another update when we have an update
Mar 13, 10:40 PDT
Investigating - We are currently investigating an issue with debug events not being visible in the console. This may also impact alert trigger emails and webhooks. We will provide another update when we have more information.
Mar 13, 09:46 PDT
Delays Receiving SMS to Portugal Numbers
Resolved - This incident has been resolved.
Mar 13, 08:24 PDT
Investigating - We are observing delays in receiving SMS from mobile devices to Twilio Portuguese numbers. Outbound SMS sent from Twilio Portugal numbers to mobile devices are not affected. Our engineers are working with our carrier partner to resolve the issue and will provide additional information as it becomes available.
Mar 13, 06:24 PDT
Mar 12, 2019
Higher than normal latency for responses from /calls REST API
Resolved - We have resolved the issue causing higher than normal latency for responses from /Calls REST API. All services are fully operational.
Mar 12, 15:50 PDT
Monitoring - We are investigating higher than normal latency for responses from /Calls REST API. The issue has subsided but engineering is continuing to monitor while we investigate root cause. We will provide an update as quickly as possible
Mar 12, 15:34 PDT
SMS Delivery Failures to Verizon handsets on the East Coast
Resolved - Between 01:18AM to 06:02AM (PDT) on March 12th, Verizon experienced an industry-wide outage on their network which caused a subset of SMS sent to Verizon handsets on the East Coast to fail. During this timeframe, customers may have experienced SMS messages sent to Verizon handsets on the East Coast failing with an “Undelivered” status callback and a Twilio Error Code of “30003" or “30005”. Verizon have confirmed that they have now fully restored service and we can confirm from metrics and testing that we are no longer observing failures
Mar 12, 01:18 PDT
Mar 11, 2019
Delivery Reports Failures on US Long Codes to Sprint Handsets
Resolved - The missing delivery report issue which affected SMS from US long codes to Sprint handsets is now resolved.
Mar 11, 23:34 PDT
Monitoring - We are observing recovery on delivery reports of SMS from US long codes to Sprint handsets. Our engineering team will continue to monitor the service
Mar 11, 22:36 PDT
Update - We are continuing to investigate this issue.
Mar 11, 18:06 PDT
Update - We are continuing to investigate this issue.
Mar 11, 18:05 PDT
Update - We are continuing to work with our carrier partners to resolve the ongoing issue with delivery reports on long code messages towards Sprint handsets
Mar 11, 17:27 PDT
Investigating - We are currently observing missing delivery reports (DLRs) of SMS messages from US Long Codes to Sprint handsets. Message delivery is not affected. We are working with our carrier partner to resolve the issue. We will provide an update as soon as possible
Mar 11, 14:24 PDT
SMS Delivery Failures to MTN, Nigeria
Resolved - Delivery to the MTN network in Nigeria has been restored. The service is operating normally.
Mar 11, 04:02 PDT
Monitoring - We are observing recovery in SMS delivery to the MTN network in Nigeria and will continue to monitor the service.
Mar 11, 03:52 PDT
Investigating - We have detected an increase in delivery failures for SMS sent to the MTN network in Nigeria. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Mar 10, 22:03 PDT
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