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All Systems Operational
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
TaskRouter   ? Operational
Flex   Operational
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   Operational
PROXY   Operational
SERVERLESS Operational
Studio   Operational
Sync   Operational
Functions   Operational
TwiML Bins   Operational
TWILIO PLATFORM Operational
Billing   Operational
Debugger & Alerts   Operational
Console   Operational
REST API   ? Operational
Customer Support Center   ? 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
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System Metrics Month Week Day
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Past Incidents
Feb 18, 2019

No incidents reported today.

Feb 17, 2019
SMS delivery receipts delayed from Toll Free numbers to the Verizon Network in US
Resolved - This incident has been resolved.
Feb 17, 04:55 PST
Monitoring - Carrier maintenance is now complete and both SMS delivery and delivery receipts are operating as normal for all number types and all destination networks. We continue to monitor the situation.
Feb 17, 04:19 PST
Investigating - Extended carrier maintenance is resulting in delays to SMS delivery receipts when sending from Toll Free numbers to the Verizon network in US. Message delivery appears to be unaffected. All other number types and networks unaffected. We continue to work with our partners on a resolution. We will provide an update when we have further information.
Feb 17, 01:03 PST
US/Canada Toll-Free SMS Carrier Maintenance: Feb 16, 22:00 - Feb 17, 00:00 PT
Completed - The scheduled maintenance has been completed.
Feb 17, 00:00 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 16, 22:00 PST
Scheduled - Our carrier partner for US/Canada Toll-Free SMS traffic is conducting maintenance on Saturday, February 16, 22:00 - 00:00 PT Pacific Time. Message delays on incoming and outgoing Toll-Free SMS may occur during this period.

Maintenance Window:
UTC: 06:00 – 08:00 2/17/2019
Pacific: 22:00 - 00:00 2/16/2019
Eastern: 00:00 – 02:00 2/17/2019
Feb 15, 14:25 PST
Feb 16, 2019
SMS Delivery to Nepal Telecom Degraded
Resolved - This incident has been resolved.
Feb 16, 16:14 PST
Update - We have confirmed that we are no longer seeing problems delivering SMS to Nepal Telecom. All systems are currently operating normally.
Feb 16, 16:13 PST
Update - We are continuing to see problems delivering SMS to Nepal Telecom. We are continuing to work with our partners on a resolution. We will provide an update in another 3 hrs or sooner when we have further information.
Feb 16, 13:34 PST
Update - We are continuing to see problems delivering SMS to Nepal Telecom in Nepal. We are continuing to work with our partners on a resolution. We will provide an update in another 2 hrs or sooner when we have further information.
Feb 16, 11:12 PST
Investigating - We have detected problems delivering SMS to Nepal Telecom in Nepal. We continue to investigate and work with our partners on a resolution. We will provide an update when we have further information.
Feb 16, 06:13 PST
MMS to AT&T in US from short codes degraded
Resolved - This incident has now been resolved.
Feb 16, 07:15 PST
Monitoring - Short code MMS traffic to AT&T in US is now functioning normally. We continue to monitor.
Feb 16, 06:35 PST
Investigating - We have detected an issue with short code MMS traffic to AT&T in US. Delivery receipts are degraded, we are investigating if message delivery is impacted. We continue to work with our partners on a resolution. We will provide an update when we have further information.
Feb 16, 04:19 PST
Feb 15, 2019
SMS Send/Receive Failues via Chilean Long Codes
Resolved - We have confirmed recovery of sending and receiving SMS over Chilean Long Codes. SMS Latin America systems are currently operating normally.
Feb 15, 15:32 PST
Monitoring - We are observing recovery in sending and receiving SMS over Chilean Long Codes. We are actively monitoring and we will provide an additional update shortly.
Feb 15, 14:34 PST
Investigating - We are observing failures in sending and receiving SMS over Chilean Long Codes. We are actively working with our partner to resolve the issue. We will provide an additional update as soon as possible.
Feb 15, 13:51 PST
Delivery Delays to AT&T via Short Codes
Resolved - We have confirmed that we are no longer experiencing delays in sending SMS to the AT&T network.
Feb 15, 12:45 PST
Monitoring - We are observing that we are now delivering SMS to AT&T without delays. We are actively monitoring and will provide an update shortly.
Feb 15, 12:15 PST
Investigating - Our partner is experiencing an issue on their platform causing intermittent delays delivering SMS to AT&T for messages sent from Short Codes. We are actively working with our partner to resolve the issue. We will provide an update as soon as possible.
Feb 15, 11:47 PST
MMS Delivery Delays to AT&T via Short Codes and Long Codes
Resolved - We have confirmed that we are no longer experiencing delays in sending and receiving MMS to the AT&T network.
Feb 15, 06:51 PST
Update - We are observing recovery for MMS latency for messages sent via US long codes to and from AT&T Devices. MMS sent from and to US short codes are still experiencing delays. Our engineering team are continuing to work with our carrier partner to resolve the issue.
Feb 15, 03:03 PST
Update - We have been notified that AT&T will be performing an emergency maintenance to address the issue between 00:00 - 03:00 (Pacific Time) on Friday 15th February. Our Engineers continue to work with our carrier partner and will provide further updates as soon as they are available.
Feb 14, 23:02 PST
Identified - AT&T has confirmed that they are experiencing an issue on their MMS platform at one of their data centers. Messages traversing this data center are queuing causing a subset of MMS messages to be delayed. We continue to work with the carrier partner to resolve the issue.
Feb 14, 20:19 PST
Update - We are continuing to investigate this issue.
Feb 14, 19:23 PST
Update - We are continuing to investigate this issue.
Feb 14, 19:21 PST
Investigating - AT&T are experiencing an issue on their platform causing intermittent delays delivering MMS to and from AT&T subscribers for messages sent from and to short codes and long codes. Our engineering team is actively working with our carrier partner to resolve the issue. We will provide an update as soon as possible.
Feb 14, 19:19 PST
AT&T US - Shortcode and Longcode Carrier Maintenance - Feb 15, 00:00 - Feb 15, 03:00 PT
Completed - The scheduled maintenance has been completed.
Feb 15, 03:01 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 15, 00:00 PST
Scheduled - The AT&T network in the US will be conducting emergency maintenance on their shortcode and longcode SMS and MMS platform on February 15th from 00:00 to 03:00 (Pacific Time). During this time customers may experience intermittent SMS and MMS delivery delays to and from AT&T US handsets.
Feb 14, 23:21 PST
Feb 14, 2019
SMS Delivery Delays to Canada On Short Code and Long Code Numbers
Resolved - We have confirmed that we are no longer experiencing delays in sending and receiving SMS to Canada on both short codes and long codes.
Feb 14, 17:26 PST
Investigating - We have detected delays in inbound and outbound SMS delivery on both short codes and long codes to some parts of Canada. We are working with our provider to resolve this issue. We will provide more information when available.
Feb 14, 15:53 PST
Calls failing to Twilio Italy Phone Numbers
Resolved - The issue of failure to receive calls for some Italy numbers has been resolved and all systems are operating normally
Feb 14, 08:10 PST
Investigating - Calls to Twilio Phone Numbers in Italy are failing. Our engineers are working with our carrier partner to resolve this issue and will provide more information as soon as available.
Feb 14, 07:18 PST
Some calls failing to Twilio Brazil numbers.
Resolved - All systems are operating normally at this time.
Feb 14, 04:35 PST
Investigating - We have detected an increase in failures for receiving calls to some Twilio phone numbers in Brazil. Currently we have identified that following regions are affected: Goiânia (+5562), Brasília (+5561) and Campo Grande (+5567). Our engineers are working with our carrier partner to resolve this issue and will provide more information as soon as available.
Feb 14, 03:45 PST
AT&T US - Short Code SMS & MMS Carrier Maintenance - Feb 13, 22:00 - Feb 14, 04:00 PT
Completed - The scheduled maintenance has been completed.
Feb 14, 04:00 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 13, 22:00 PST
Scheduled - The AT&T network in the US will be conducting emergency maintenance on their short code SMS and MMS platform on February 13th at 22:00 until 03:00 on February 14th (Pacific Time). During this time customers may experience intermittent message delays via short codes for SMS and MMS sent to and from AT&T handsets. Longcode SMS and MMS is not expected to be affected.

*US Pacific:* 02/13/2019 22:00 - 02/14/2019 04:00
*US Central:* 02/14/2019 00:00 - 02/14/2019 06:00
*US Eastern:* 02/14/2019 01:00 - 02/14/2019 07:00
*UTC:* 02/14/2019 06:00 - 02/14/2019 12:00
Feb 13, 18:38 PST
Feb 13, 2019
Delayed Voice Insights Events and Summary Availability via API
Resolved - Voice Insights events and summaries are caught up.
Feb 13, 23:06 PST
Identified - We’ve started recovery of missing Insights events and summaries.
Feb 13, 20:16 PST
Investigating - We are observing delays for Voice Insights Events and Summary availability via API. Metrics availability via API is not impacted.
Feb 13, 16:07 PST
SMS delivery delayed to US carriers from toll free numbers
Resolved - We have confirmed that the issue regarding delayed SMS delivery to US carriers from toll free numbers is now resolved.
Feb 13, 12:23 PST
Monitoring - We are observing recovery in regards to delays of SMS delivery to US carriers from toll free numbers. Our engineering teams will continue to monitor the service.
Feb 13, 11:14 PST
Investigating - We have detected an issue with delayed SMS delivery to all US carriers from toll free numbers. We continue to investigate and work with our partners on a resolution. We will provide an update when we have further information.
Feb 13, 09:57 PST
US/Canada Toll-Free SMS carrier maintenance - Feb 13, 00:00 - 03:00 PT
Completed - The scheduled maintenance has been completed.
Feb 13, 03:01 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 13, 00:01 PST
Scheduled - Our carrier partner for US/Canada Toll-Free SMS traffic is conducting maintenance on Wednesday, February 13, from 00:00 - 03:00 Pacific Time. Message delays on incoming and outgoing Toll-Free SMS may occur during this period.
Feb 11, 16:33 PST
Feb 12, 2019
Receiving calls failing to some Belgium numbers.
Resolved - The issue of failure to receive calls for some Belgium numbers has been resolved and all systems are operating normally.
Feb 12, 03:30 PST
Investigating - We have detected an increase in failures for receiving calls to some Twilio phone numbers in Belgium. Our engineers are working with our carrier partner to resolve this issue and will provide more information as soon as available.
Feb 12, 02:56 PST
AT&T US Short Code SMS Carrier Maintenance - Feb 12, 00:00 - 03:00 PT
Completed - The scheduled maintenance has been completed.
Feb 12, 03:00 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 12, 00:01 PST
Scheduled - The AT&T network in the US will be conducting emergency maintenance on their short code SMS and MMS platform on Tuesday February 12th, 00:00 - 03:00 Pacific Time. During this time customers may experience intermittent inbound and outbound message delays via short codes for messages sent to and from AT&T handsets. Longcode SMS is not expected to be affected.
Feb 11, 20:57 PST
Feb 11, 2019
US/Canada Toll-Free SMS carrier maintenance - Feb 11, 00:00 - 03:00 PT
Completed - The US/Canada Toll-Free SMS maintenance window previously scheduled by our carrier partner has been rescheduled for this Wednesday, February 13th. A new maintenance update will be posted for this event.
Feb 11, 03:00 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 11, 00:01 PST
Scheduled - The US/Canada Toll-Free SMS maintenance window previously scheduled by our carrier partner has been rescheduled for this Wednesday, February 13th. A new maintenance update will be posted for this event.
Feb 11, 00:00 PST
Feb 10, 2019

No incidents reported.

Feb 9, 2019

No incidents reported.

Feb 8, 2019
MMS Delivery Delays in US
Resolved - MMS issue is resolved. All systems operating normally.
Feb 8, 18:30 PST
Monitoring - We have observed recovery in delays delivering outbound and inbound MMS over a subset of US short codes and 10-digit long codes. We’ll continue to monitor.
Feb 8, 18:16 PST
Update - We are continuing to investigate this issue.
Feb 8, 16:04 PST
Investigating - We are observing delays in delivering outbound and inbound MMS over a subset of US short codes and over some 10-digit long code numbers. Our engineers are actively working with our carrier partners to get the issue resolved.
Feb 8, 13:47 PST
SMS delivery receipts (DLRs) to Verizon degraded in US
Resolved - DLRs for SMS sent to Verizon long codes in the US are now operating normally.
Feb 8, 06:31 PST
Investigating - We have detected an issue with degraded service of delivery receipts (DLRs) for SMS sent to Verizon long codes in the US. DLRs are operating as normal for all other networks. Message delivery is unaffected. We will continue to investigate and work with our partners. We will provide an update when we have further information.
Feb 8, 05:50 PST
Voice Insights Metrics Delays
Resolved - All services are operational.
Feb 8, 01:18 PST
Investigating - We are experiencing delays processing Voice Insights metrics. Data collection is not impacted and will be reflected in the dashboards when processing resumes. We will provide additional information as quickly as possible.
Feb 8, 01:03 PST
Feb 7, 2019
US/Canada Toll-Free SMS carrier maintenance - Feb 6, 22:00 PT - Feb 7, 00:00 PT
Completed - The scheduled maintenance has been completed.
Feb 7, 07:00 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 6, 22:00 PST
Scheduled - One of our carrier partners for US Toll-Free SMS is conducting maintenance on their platform on Wednesday 6 February 2019 22:00 - Thursday 7 February 2019 07:00 PT. During this time customers may experience inbound and outbound SMS delays via US Toll Free numbers. Customers may also experience inbound and outbound delays for SMS sent to/from Toll-Free numbers.
Feb 4, 06:50 PST
Feb 5, 2019

No incidents reported.

Feb 4, 2019
Elevated error rates for conferences
Resolved - From 0835-0843PT, we experienced elevated errors that impacted voice conferences. Our engineers resolved the issue and all systems are fully operational.
Feb 4, 09:13 PST
Investigating - We are currently investigating elevated error rates for voice conferences. We will provide an update as quickly as possible.
Feb 4, 09:04 PST
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