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Twilio Outage History

Daily provider-status observations and published incident history for Twilio.

Component incident

Twilio has an active component incident; no global outage is indicated. Verified . Official provider source.

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0% of 57 verified observed days had no reported provider issue

90-Day Trend

Jul 23Oct 20

Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.

Monthly Status Summary

Month Issue-free days Days Tracked Days with issues
September 2026 0% 30 30

This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.

Recorded Daily Status (Last 91 Days)

Jul 22 Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

October 2026
Voice Call Failures From South Africa to a Subset of Twilio Phone Numbers
minor Observed active window 7h 24m

View incident details and source

Started:

Voice, Middle East & Africa
monitoring
We have observed a recovery in voice calls from network subscribers in South Africa to a subset of Twilio Phone Numbers and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
monitoring
We have observed a recovery in voice calls from network subscribers to a subset of Twilio South Africa Phone Numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio South Africa Phone Numbers. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from network subscribers in South Africa to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand
minor Observed active window 63h 16m

View incident details and source

Started:

SMS, APAC
monitoring
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to multiple networks in New Zealand and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 24 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 24 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 16 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays from a Subset of Twilio Short Codes to Onvoy Spectrum Mobile United States
minor Observed active window 3h 10m

View incident details and source

Started:

SMS Short Code, North America
identified
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays from Twilio Alphanumeric Sender Type to Telenor Norway
minor Observed active window 4h 5m

View incident details and source

Started:

SMS, Europe
monitoring
We have observed a recovery in SMS delivery from Twilio Alphanumeric Sender Type to Telenor network subscribers in Norway and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays from Twilio Alphanumeric Sender IDs to Telenor network subscribers in Norway. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays from Twilio Alphanumeric Sender Type to Telenor network subscribers in Norway. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from Twilio Alphanumeric Sender IDs to Telenor network subscribers in Norway. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays from Twilio to TIM and Noverca Italia Srl Italy
minor Observed active window 4h 43m

View incident details and source

Started:

SMS, Europe
monitoring
We have observed a recovery in SMS delivery from Twilio to TIM and Noverca Italia Srl network subscribers in Italy and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays from Twilio to TIM and Noverca Italia Srl network subscribers in Italy. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays from Twilio to TIM and Noverca Italia Srl network subscribers in Italy. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from Twilio to TIM and Noverca Italia Srl network subscribers in Italy. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile China
minor

View incident details and source

Started:

SMS, APAC
monitoring
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to China Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Failures From a Subset of Twilio Alphanumeric Sender Type to Moov Côte d'Ivoire
minor Observed active window 2h 49m

View incident details and source

Started:

SMS, Middle East & Africa
monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender Type to Moov network subscribers in Côte d'Ivoire and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender Type to Moov network subscribers in Côte d'Ivoire. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Moov network subscribers in Côte d'Ivoire. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays from Twilio to Verizon United States
minor Observed active window 8h 37m

View incident details and source

Started:

SMS Short Code, North America SMS Toll-Free, North America SMS Toll-Free, North America
monitoring
We have observed a recovery in SMS delivery from Twilio to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays from Twilio to Verizon network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays from Twilio to Verizon Wireless network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing SMS delivery delays from Twilio to Verizon Wireless network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Voice Call Failures from a Subset of Twilio Phone Numbers to Telenor Norge AS Norway
minor Observed active window 5h 14m

View incident details and source

Started:

Voice, Europe
monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to Telenor Norge AS network subscribers in Norway and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Norway and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to Telenor network subscribers in Norway. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Norway. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Norway. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Twilio SMS Delivery Issues
minor Observed active window 6h 31m

View incident details and source

Started:

Verify SMS
monitoring
We are seeing recovery for the intermittent delivery issues with Twilio Verify and Programmable SMS across the impacted regions. Our engineering team will continue to actively monitor the services to ensure a full recovery. We expect to provide another update in 30 minutes or as soon as more information becomes available.
identified
We have identified the issue affecting Twilio Verify and Programmable SMS delivery across impacted regions. We are seeing recovery for Twilio Verify traffic, and our engineering team is actively working towards mitigation for Programmable SMS to restore full service. We will provide another update in 4 hours or as soon as more information becomes available.
identified
We have identified the issue affecting Twilio Verify and Programmable SMS delivery across impacted regions. We are seeing recovery for Twilio Verify traffic, and our engineering team is actively working towards mitigation for Programmable SMS to restore full service. We will provide another update in 2 hour or as soon as more information becomes available.
identified
We have identified the issue affecting Twilio Verify and Programmable SMS delivery across impacted regions. We are seeing recovery for Twilio Verify traffic, and our engineering team is actively working towards mitigation for Programmable SMS to restore full service. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
We are continuing to investigate an issue impacting Twilio Verify deliveries across multiple regions, where an internal block is preventing verification codes from reaching end-users. We are seeing recovery for Australia traffic, and our engineering team is actively working on mitigation for the remaining affected countries to restore full service. We will provide another update in 2 hour or as soon as more information becomes available.
investigating
We are investigating an issue affecting Twilio Verify deliveries to Australia, where an internal block is preventing verification codes from reaching end-users. Customers in this region may experience delivery failures during authentication flows. Our engineering team is actively working to clear the block and restore normal service. We will provide another update in 1 hour or as soon as more details become available.

Legacy Incident Archive

793 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.

March 2026
Issues with Authentication in Twilio Flex
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We have started seeing recovery for the intermittent authentication failures when attempting to access Twilio Flex. Our engineers are closely monitoring the situation to ensure full stability. We will continue to monitor for the next 30 minutes and will provide another update once the issue is fully resolved.
investigating
Twilio customers may be experiencing intermittent authentication failures when attempting to access Twilio Flex. Our engineers have been alerted and are actively working to identify the root cause. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Our monitoring systems have detected a potential issue with Twilio Flex. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
SMS Delivery Delays from Network Subscribers to a Subset of Twilio Australia Phone Numbers
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We are observing recovery in SMS delivery delays when sending messages to from network subscribers to a subset of Twilio Australia Phone Numbers. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from network subscribers to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays and Failures to Viettel in Vietnam
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are experiencing SMS delivery delays when sending messages to Viettel in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
investigating
We are experiencing SMS delivery delays when sending messages to Viettel in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hour or as soon as more information becomes available.
investigating
We are experiencing SMS delivery delays when sending messages to Viettel in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
User Authentication Identity API Errors in Canada
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We continue to see recovery for User Authentication Identity API errors in Canada. We will continue to monitor to ensure a full recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.
monitoring
We have started seeing recovery for User Authentication Identity API errors in Canada.. We will continue to monitor to ensure a full recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing User Authentication Identity API errors in Canada. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus
minor Source not attested
Last archived state: resolved
View archived record details
investigating
The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to affected networks in affected countries is operating normally.
investigating
We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to network subscribers on multiple networks in multiple countries and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
We continue to experience SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
investigating
We are experiencing SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
investigating
We are experiencing SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
We are experiencing SMS delivery delays when sending messages from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays From Twilio to Orange Cameroon
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We have observed a recovery in SMS delivery from Twilio to Orange network subscribers in Cameroon and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from Twilio to Orange network subscribers in Cameroon. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Voice Quality Issues Affecting Calls from T-Mobile Numbers to Twilio Numbers
Source not attested
Last archived state: resolved
View archived record details
investigating
Customers may experience audio quality issues on calls from T-Mobile devices to Twilio phone numbers. Our team is working diligently to identify the issue and resolve it as soon as possible. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
Call Failures from network subscribers in Multiple Caribbean Islands to Twilio Phone Numbers
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We have started seeing recovery for iall failures from network subscribers to Twilio Phone Numbers in multiple Caribbean Islands. We will continue to monitor to ensure a full recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from network subscribers to Twilio Phone Numbers in multiple Caribbean Islands. Our team has identified the cause and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
Twilio customers may be still experiencing voice call failures from network subscribers to Twilio Phone Numbers in multiple Caribbean Islands. The affected countries include Jamaica, Trinidad and Tobago, the Cayman Islands and Barbados. Our team has identified the cause and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from network subscribers to Twilio Phone Numbers in multiple Caribbean Islands. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from network subscribers to Twilio Phone Numbers in multiple Caribbean Islands. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from network subscribers to Twilio Phone Numbers in multiple Caribbean Islands. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Voice Call Failures From Network Subscribers to Twilio Phone Numbers in Multiple Countries
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We have observed a recovery in voice calls from network subscribers in multiple countries to Twilio Phone Numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
We are still experiencing voice call failures from network subscribers to Twilio Phone Numbers in France, Norway, Italy, Indonesia, Denmark. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing voice call failures from network subscribers to Twilio Phone Numbers in France ,Norway, Italy, Indonesia ,Denmark. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in United States
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We are observing recovery of SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team is monitoring this issue to ensure it is resolved. We will provide another update in 2 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.