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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.
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SYSTEM METRICS
Stay up to date on the speed at which you connect.
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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
Flex WFO 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
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
Scheduled Maintenance
On August 20 from midnight to 3:00 AM PT, the "address" parameter in the Phone Number Provisioning API will change temporarily from optional to mandatory. During this time window, API calls to provision phone numbers without a valid address outside of the US and Canada will fail. The parameter will permanently change to become mandatory on September 10.

To be removed from this brownout, fill out https://docs.google.com/forms/d/e/1FAIpQLScgvsWmki6fBEqPuSe_RcOR8ubqb-SOa_BshWh_j8e39O8qLg/viewform.
For more information on this API change, see https://www.twilio.com/docs/phone-numbers/api/incomingphonenumbers-api-change-faq
Posted on Aug 18, 08:06 PDT
The US Cellular mobile network in the US will be conducting planned maintenance on their SMS platform on Wednesday, August 21 21:00 - Thursday, August 22 04:00 PDT. During this maintenance window, there could be intermittent delays delivering their SMS sent to and from US Cellular handsets, as well as message status events.
Posted on Aug 16, 06:48 PDT
API Uptime
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API Response Time - North America
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API Response Time - Europe
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Past Incidents
Aug 18, 2019

No incidents reported today.

Aug 17, 2019
Completed - The scheduled maintenance has been completed.
Aug 17, 03:32 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 16, 21:00 PDT
Update - We will be undergoing scheduled maintenance during this time.
Aug 15, 16:51 PDT
Update - We will be undergoing scheduled maintenance during this time.
Aug 15, 16:50 PDT
Scheduled - Twilio Interconnect exchange located at Equinix DC1, Ashburn, VA will be going through maintenance on 16 August 2019, 21:00 PT to 17 August 2019 05:00 PT. During this maintenance window, customers may experience intermittent network connectivity loss towards their Twilio Interconnect connections.

Twilio Interconnect Maintenance period:
US/Eastern: 08/17/2019 00:00 - 08/17/2019 08:00
US/Central: 08/16/2019 23:00 - 08/17/2019 07:00
US/Pacific: 08/16/2019 21:00 - 08/17/2019 05:00
UTC: 08/18/2019 04:00 - 08/17/2019 12:00
Aug 15, 16:23 PDT
Aug 16, 2019
Resolved - The issue of SMS delivery degradation towards Claro handsets in Costa Rica, Panama, Honduras, and Nicaragua has been resolved. SMS, Latin America is operating normally.
Aug 16, 09:32 PDT
Identified - Previous issues in Honduras, Nicaragua and Panama are now resolved. However, we are still experiencing SMS delivery degradation to Claro handsets in Costa Rica. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Aug 16, 02:07 PDT
Investigating - We are experiencing SMS delivery degradation to Claro handsets in Costa Rica, Panama, Honduras, and Nicaragua. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Aug 15, 22:27 PDT
Aug 15, 2019
Resolved - We have resolved the issue and the system is working normally.
Aug 15, 08:03 PDT
Identified - Our pricing API is returning an increased rate of HTTP 500 responses. Our engineering team is working to resolve.
Aug 15, 07:17 PDT
Aug 14, 2019
Resolved - The issue of calls failing towards subset of Twilio Brazil phone numbers has been resolved. Voice, Latin America is operating normally.
Aug 14, 10:23 PDT
Investigating - Our monitoring systems have Identified that calls to some Twilio phone numbers in Brazil are failing. Our engineers are working with our carrier partner to resolve this issue. We will provide more information as soon as it becomes available.
Aug 14, 07:59 PDT
Aug 13, 2019
Resolved - This incident has been resolved.
Aug 13, 05:40 PDT
Investigating - Our monitoring systems have Identified that calls to Twilio phone numbers in Slovenia and Croatia are failing. Our engineers are working with our carrier partner to resolve this issue. We will provide more information as soon as it becomes available.
Aug 13, 04:40 PDT
Resolved - All services are operating normally.
Aug 13, 01:09 PDT
Monitoring - All services are operating normally. Our team will continue to monitor.
Aug 13, 00:26 PDT
Investigating - Command routes are experiencing instability which can cause delays in processing commands to and from some SIM cards. We are working with partners and have identified the issue and engineers are actively working to resolve.
Aug 12, 23:50 PDT
Aug 12, 2019
Resolved - The SMS delivery issue when sending SMS towards Smart mobile devices in Cambodia is resolved. SMS, APAC is operating normally.
Aug 12, 16:26 PDT
Monitoring - We are observing recovery for SMS delivery issue when sending SMS towards Smart mobile devices in Cambodia. We continue to monitor the service and are working with our carrier partners to resolve the issue. We will provide an update when more information is available.
Aug 12, 12:51 PDT
Update - We continue working with our carrier partners to resolve the issue. We will provide a further update when more information is available.
Aug 12, 06:51 PDT
Update - We continue to work with our carrier partners to resolve this issue. We will provide an update as soon as possible.
Aug 11, 15:36 PDT
Update - We are working with our carrier partners to resolve this issue. We will provide an update when more information is available.
Aug 11, 07:26 PDT
Update - We continue to work with our carrier partners to resolve this issue. We will provide an update as soon as possible.
Aug 10, 15:28 PDT
Investigating - We have detected an issue that SMS messages sent to Smart mobile devices in Cambodia are not being delivered. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 10, 10:11 PDT
Resolved - The issue of MMS delivery status callbacks when sending MMS from Twilio longcodes towards US handsets has been resolved. SMS Delivery Notifications & Status Callbacks is operating normally.
Aug 12, 11:19 PDT
Update - We are still observing message status events degradation for some MMS sent to US handsets. We continue working with our carrier partners to restore the service. We will provide an update once we have confirmed the resolution.
Aug 12, 06:41 PDT
Investigating - We have detected delays in receiving message status events for some MMS sent from US longcodes to US handsets. There is no impact to actual message delivery. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Aug 11, 22:36 PDT
Resolved - The issue has been resolved.
Aug 12, 08:00 PDT
Investigating - We are experiencing SMS delivery issues to Banglalink handsets in Bangladesh. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Aug 12, 06:37 PDT
Aug 10, 2019
Resolved - This incident has been resolved.
Aug 10, 12:26 PDT
Investigating - We have detected an issue that inbound calls are failing to a subset of Twilio's Sweden phone numbers. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 10, 11:36 PDT
Aug 9, 2019
Resolved - This incident has been resolved.
Aug 9, 23:05 PDT
Monitoring - We are seeing signs of recovery for traffic. To ensure that service has been fully restored, we will continue to monitor.
Aug 9, 22:30 PDT
Investigating - We have detected an issue that SMS messages sent to Zain mobile devices in both Saudi Arabia and Iraq are not being delivered. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 9, 19:31 PDT
Resolved - The incident has been resolved.
Aug 9, 15:32 PDT
Monitoring - We are seeing traffic recover. To ensure that service has been fully restored, we will continue to monitor.
Aug 9, 14:54 PDT
Update - We have also detected an issue that SMS messages sent to Iraq Zain mobile devices are not being delivered.
Aug 9, 14:17 PDT
Investigating - We have detected an issue that SMS messages sent to Saudi Arabia Zain mobile devices are not being delivered. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 9, 13:46 PDT
Aug 8, 2019
Resolved - This incident has been resolved.
Aug 8, 17:03 PDT
Update - We continue to see delivery issues to the Du network in UAE. We continue to work with our carrier partners to resolve the issue, and we will provide additional details as they become available.
Aug 8, 12:12 PDT
Investigating - We have detected an issue with delivery degradation towards Du UAE network when sending SMS from Twilio phone numbers. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 8, 07:30 PDT
Aug 7, 2019
Resolved - We have observed a stable recovery in SenderId preservation. We’ll continue to monitor and will consider this incident as resolved.
Aug 7, 23:50 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Aug 7, 22:52 PDT
Identified - We have detected an issue with the degradation of SenderId preservation when sending domestic SMS through Singapore Signtel network. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 7, 22:08 PDT
Aug 6, 2019
Resolved - This incident has been resolved.
Aug 6, 21:12 PDT
Investigating - We have detected an issue that SMS messages sent to US Gigsky mobile devices from a subset of Twilio's short codes are being delayed. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 6, 19:55 PDT
Resolved - Service to Brazil Claro mobile devices has been fully restored.
Aug 6, 18:00 PDT
Monitoring - We are seeing recovery and will continue monitoring to ensure that service has been fully restored.
Aug 6, 17:01 PDT
Investigating - We have detected an issue that SMS messages sent to Brazil Claro mobile devices are not being delivered. We are working with our carrier partners to resolve the issue and will provide an update as soon as possible.
Aug 6, 15:24 PDT
Resolved - From 11:17 PDT to 11:38 PDT today, some customers may have observed errors when creating new Projects, or while viewing the Console Dashboard. Our Engineering team has addressed the issue and the incident is now resolved.
Aug 6, 11:57 PDT
Resolved - This incident has been resolved.
Aug 6, 07:03 PDT
Investigating - We are observing increased delivery failures for SMS sent to the Globacom 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.
Aug 6, 04:14 PDT
Resolved - This incident has been resolved.
Aug 6, 03:08 PDT
Investigating - We are experiencing issues in delivering SMS messages from US shortcodes to US Sprint handsets. Long Code SMS is not impacted. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Aug 5, 23:08 PDT
Aug 5, 2019
Resolved - Between 08:18:23 and 08:18:39 PDT, we experienced an issue where a hardware failure in the storage layer of our database service caused requests to the Authy and Verify (v1) API to fail. The issue was automatically resolved by our systems. All logins can proceed normally at this time.
Aug 5, 08:48 PDT
Completed - The scheduled maintenance has been completed.
Aug 5, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 4, 22:00 PDT
Scheduled - The AT&T network in Mexico will be conducting emergency maintenance on their SMS platform on Sunday, 04 August 2019 22:00 PDT to 05 August 2019 04:00 PDT. During this maintenance window, there could be intermittent delays delivering SMS to and from AT&T Mexico handsets.
Jul 31, 02:15 PDT
Resolved - This incident has been resolved.
Aug 5, 02:10 PDT
Investigating - We have detected delays with receiving SMS by +372821 numbers in Estonia. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.
Aug 2, 06:33 PDT
Aug 4, 2019
Resolved - This issue has now been resolved.
Aug 4, 18:41 PDT
Investigating - We are observing delivery degradation for SMS sent towards a subset of Indonesian handsets. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Aug 4, 16:42 PDT
Resolved - This incident is now resolved.
Aug 4, 11:26 PDT
Investigating - We are observing delivery degradation for SMS sent towards Indonesian handsets. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
Aug 4, 01:50 PDT