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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
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 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
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 Cellular - SMS carrier maintenance - May 20 23:00 PDT - May 21 02:00 PDT May 20, 23:00 - May 21, 02:00 PDT
The US Cellular mobile network in the US will be conducting maintenance on their SMS platform on Monday, May 20 23:00 PDT - Tuesday, May 21 02:00 PDT. During this time customers may experience message delays for SMS sent to and from US Cellular handsets in US.
Posted on May 20, 08:03 PDT
System Metrics Month Week Day
API Uptime
Fetching
API Response Time - North America
Fetching
API Response Time - Europe
Fetching
Past Incidents
May 20, 2019
T-Mobile US - SMS Carrier Maintenance - 19 May 2019, 23:00 - 20 May 2019 03:00 (PDT)
Completed - The scheduled maintenance has been completed.
May 20, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 19, 23:00 PDT
Update - We will be undergoing scheduled maintenance during this time.
May 16, 22:12 PDT
Scheduled - The T-Mobile network in the US will be conducting planned maintenance on their SMS platform on Sunday, 19 May 2019 23:00 - 20 May 2019 03:00 (PDT). During this maintenance window, customers may experience intermittent delays for SMS sent to and from T-Mobile US handsets over Twilio US Toll-free, Twilio long codes, and subset of Twilio US short codes.
May 16, 22:11 PDT
May 19, 2019
SMS delivery issues from subset of Twilio US Short Codes
Resolved - The delivery issues when sending SMS from subset of Twilio US Short Codes has now been resolved. SMS Short code, North America is currently operating normally.
May 19, 19:19 PDT
Identified - We are currently observing delivery issues when sending SMS from subset of Twilio US Shortcodes. We are working with our carrier partner to resolve the issue and will update as information becomes available.
May 19, 18:09 PDT
May 18, 2019

No incidents reported.

May 17, 2019
Calls failing to some Twilio Brazilian numbers
Resolved - This incident has been resolved.
May 17, 03:22 PDT
Monitoring - we are seeing recovery of calls to Twilio Brazilian numbers. We will continue to monitor the situation
May 17, 02:54 PDT
Investigating - We have detected failures in receiving calls to a subset of Twilio numbers in Brazil. We are working with our carrier partner to resolve the issue.
May 17, 02:00 PDT
May 16, 2019
US Short code SMS and MMS Carrier Partner Maintenance - 15 May 2019 23:00 - 16 May 2019 03:00 (PDT)
Completed - The scheduled maintenance has been completed.
May 16, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 15, 23:00 PDT
Scheduled - One of our carrier partner will be conducting emergency maintenance on their short codes SMS and MMS platform on Wednesday 15 May 2019 23:00 - 16 May 2019 03:00 (PDT). During this time customers may experience message delays for small subset of short codes SMS/MMS to and from Sprint US handsets. SMS/MMS sent via long codes and Toll-Free are not expected to be impacted.
May 14, 01:09 PDT
AT&T US - SMS Carrier Maintenance - 15 May 2019, 19:00 - 16 May 2019 03:00 (PDT)
Completed - The scheduled maintenance has been completed.
May 16, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 15, 19:00 PDT
Scheduled - The AT&T network in the US will be conducting emergency maintenance on their SMS platform on Wednesday, 15 May 2019 19:00 - 16 May 2019 03:00 (PDT). During this maintenance window, there could be intermittent delays to and from US Toll-free, long codes, and short codes for SMS.
May 13, 23:57 PDT
May 15, 2019
AT&T US - SMS Carrier Maintenance - 14 May 2019, 19:00 - 15 May 2019 03:00 (PDT)
Completed - The scheduled maintenance has been completed.
May 15, 03:01 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 14, 19:01 PDT
Scheduled - The AT&T network in the US will be conducting emergency maintenance on their SMS platform on Tuesday, 14 May 2019 19:00 - 15 May 2019 03:00 (PDT). During this maintenance window, there could be intermittent delays to and from US Toll-free, long codes, and short codes for SMS.
May 13, 23:56 PDT
May 14, 2019
Mobifone Vietnam - SMS Carrier Maintenance 14 May 2019 09:00 - 14 May 2019 09:30 (PDT)
Completed - The scheduled maintenance has been completed.
May 14, 09:30 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 14, 09:01 PDT
Scheduled - SenderID SMS traffic to Mobifone handsets might be affected.
May 13, 23:28 PDT
May 13, 2019
US Long Code SMS Carrier Maintenance towards Verizon
Completed - The scheduled maintenance has been completed.
May 13, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 12, 20:00 PDT
Scheduled - Our carrier partner for US SMS traffic will be conducting maintenance on their platform on Sunday, May 12 20:00 - Monday, May 13 04:00 PDT. During this time frame, message status events for Long Code Messages sent to Verizon handsets may not be available. There is no expected impact to message delivery.
May 9, 14:18 PDT
May 12, 2019
US Long Code SMS Carrier Maintenance towards Verizon
Completed - The scheduled maintenance has been completed.
May 12, 04:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 11, 20:00 PDT
Update - Our carrier partner for US SMS traffic will be conducting maintenance on their platform on Saturday, May 11 20:00 - Sunday, May 12 04:00 PDT. During this time frame, message status events for Long Code Messages sent to Verizon handsets may not be available. There is no expected impact to message delivery.
May 9, 14:46 PDT
Update - Our carrier partner for US SMS traffic will be conducting maintenance on their platform on Saturday, May 11 20:00 - Sunday, May 12 04:00 PDT. During this time frame, message status events for Long Code Messages sent to Verizon handsets may not be available. There is no expected impact to message delivery.
May 9, 14:41 PDT
Update - Our carrier partner for US SMS traffic will be conducting maintenance on their platform on Sunday, May 12 20:00 - Monday, May 13 04:00 PDT. During this time frame, message status events for Long Code Messages sent to Verizon handsets may not be available. There is no expected impact to message delivery.
May 9, 14:33 PDT
Scheduled - Our carrier partner for US SMS traffic will be conducting maintenance on their platform on Saturday, May 11 20:00 - Sunday, May 12 04:00 PDT. During this time frame, message status events for Long Code Messages sent to Verizon handsets may not be available. There is no expected impact to message delivery.
May 9, 14:16 PDT
SMS delivery delays towards some destinations in the Dominican Republic
Resolved - This incident has been resolved.
May 12, 02:30 PDT
Monitoring - We are seeing successful delivery to destinations in the Dominican Republic. We will continue to monitor to ensure a full recovery.
May 12, 01:44 PDT
Investigating - We are observing delivery delays on SMS towards some destinations in the Dominican Republic. We are actively working with our carrier partner to resolve the issue. We will provide an update as soon as possible.
May 12, 00:10 PDT
Mexico phone number provider emergency maintenance - May, 12, 00:00 - 02:00 PT
Completed - The scheduled maintenance has been completed.
May 12, 02:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 12, 00:00 PDT
Scheduled - Our carrier partner for Mexico phone numbers is conducting an emergency maintenance, Sunday, May 12, 00:00 - 02:00 Pacific Time.
Receiving calls may be disrupted during this period, for a duration of up to 30 minutes.
May 11, 18:39 PDT
May 10, 2019
SMS delivery delays towards Nextel Brazil
Resolved - The issue has been resolved and messages are now being successfully delivered without delay.
May 10, 16:04 PDT
Update - We continue to observe delivery delays on SMS towards Nextel handsets in Brazil. We are working with our carrier partner to resolve the issue and will update as information becomes available.
May 10, 14:42 PDT
Investigating - We are observing delivery delays on SMS towards Nextel handsets in Brazil. We are actively working with our carrier partner to resolve the issue. We will provide an update as soon as possible.
May 10, 08:27 PDT
US short code SMS carrier maintenance 9 May 2019 23:00 - 10 May 2019 03:00 PDT
Completed - The scheduled maintenance has been completed.
May 10, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 9, 23:01 PDT
Update - The Sprint mobile network in the US will be conducting maintenance on their SMS short code platform on Thursday and Friday, 9 May 2019 23:00 - 10 May 2019 03:00 (PDT). During this time customers may experience message delays for SMS sent to and from Sprint handsets over a subset of shortcodes and also delays in message status events. SMS long codes and toll-free are not impacted during the maintenance window.
May 9, 16:38 PDT
Update - We will be undergoing scheduled maintenance during this time.
May 9, 16:22 PDT
Scheduled - The Sprint mobile network in the US will be conducting maintenance on their SMS short code platform on Thursday and Friday, 9 May 2019 23:00 - 10 May 2019 03:00 (PDT). During this time customers may experience message delays for SMS sent to and from Sprint handsets over a subset of shortcodes and also delays in message status events. SMS long codes and toll-free are not impacted during the maintenance window.
May 9, 00:07 PDT
T-Mobile US - SMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
May 10, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 9, 23:01 PDT
Scheduled - T-Mobile will be performing maintenance on their SMS platforms which could potentially cause delays on Short Code, Long Code, and Toll-Free numbers.
May 8, 20:58 PDT
May 9, 2019
Elevated Errors Fetching Content from Some Domains
Resolved - From 11:30am PT to 12:40pm PT on 2019-May-09 we experienced an increase in errors for content fetching from some domains. We have resolved the issue. All services are operating normally. We sincerely apologize for the service interruption.
May 9, 12:56 PDT
AT&T Carrier Maintenance Notice
Completed - The scheduled maintenance has been completed.
May 9, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 8, 19:00 PDT
Scheduled - AT&T will be performing maintenance on their SMS and MMS platforms which could potentially cause delays on Short Code, Long Code, and Toll-Free numbers.
May 6, 12:29 PDT
May 8, 2019
Elevated level of errors for API requests
Resolved - All systems are operating normally
May 8, 17:59 PDT
Monitoring - We have seen recovery of network traffic reaching all Twilio services. A small percentage of requests between 3.56pm and 4.33pm PST were affected and returned HTTP 502 errors to API requests. We will continue to monitor service performance.
May 8, 16:57 PDT
Update - We are continuing to work on a fix for this issue.
May 8, 16:43 PDT
Update - We are working with our network provider to resolve this issue. Currently a small percentage of traffic to Twilio REST API can return a HTTP 502 error code.
May 8, 16:37 PDT
Identified - We have identified an increased level of errors of API requests due to networking issues. We are working on the resolution.
May 8, 16:21 PDT
SMS delivery delays to a subset of handsets in Venezuela
Resolved - This incident has been resolved.
May 8, 04:20 PDT
Update - This incident has been resolved.
May 8, 02:40 PDT
Investigating - We have detected an increase in delivery delays for SMS sent to a subset of handsets in Venezuela. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
May 7, 22:03 PDT
AT&T Carrier Maintenance Notice
Completed - The scheduled maintenance has been completed.
May 8, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 7, 19:00 PDT
Scheduled - AT&T will be performing maintenance on their SMS and MMS platforms which could potentially cause delays on Short Code, Long Code, and Toll-Free numbers.
May 6, 12:22 PDT
T-Mobile US Toll-Free SMS Carrier Maintenance
Completed - The scheduled maintenance has been completed.
May 8, 03:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 7, 23:00 PDT
Scheduled - The T-Mobile mobile network in the US will be conducting planned maintenance on their Toll-Free SMS platform on Tuesday, May 07 23:00 - Wednesday, May 08 03:00 PDT. During this maintenance window, there could be intermittent delays delivering Toll-Free SMS sent to and from T-Mobile handsets, as well as message status events.
May 6, 12:16 PDT
May 7, 2019
Outbound Call Failures From Brazilian Numbers
Resolved - All calls are now terminating successfully.
May 7, 12:32 PDT
Monitoring - Update: Calls from some Brazilian numbers to other destinations in Brazil are now connecting successfully. We will continue to monitor to ensure full resolution.
May 7, 10:45 PDT
Investigating - We have detected an issue with making calls from some Brazilian numbers to other destinations in Brazil. We are working with our carrier partners to resolve the issue and will provide an update as soon as we have more information.
May 7, 09:38 PDT
May 6, 2019

No incidents reported.

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