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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 a Subset of Twilio Phone Numbers to Pelephone Israel
minor Observed active window 3h 8m

View incident details and source

Started:

Voice, Middle East & Africa
monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to Pelephone network subscribers in Israel 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 Pelephone network subscribers in Israel 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 Pelephone network subscribers in Israel. 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 Israel. 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 Pelephone Israel
minor Observed active window 7h 5m

View incident details and source

Started:

SMS, Middle East & Africa
monitoring
We have observed a recovery in SMS delivery from Twilio to Pelephone network subscribers in Israel 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 Pelephone network subscribers in Israel. 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 Pelephone network subscribers in Israel. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from Twilio to Pelephone network subscribers in Israel. 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 Twilio to Pelephone network subscribers in Israel. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
WhatsApp Sandbox Message Processing Issues
minor Observed active window 4h 0m

View incident details and source

Started:

WhatsApp Messaging
monitoring
Our engineers have mitigated the issue and are monitoring system performance. WhatsApp Sandbox message processing has been restored and the service is returning to normal. We will provide another update in 2 hours or as soon as more information becomes available.
monitoring
Our engineers have mitigated the issue and are monitoring system performance. WhatsApp Sandbox message processing is returning to normal, and recent validation checks indicate the service is recovering. We will provide another update in 2 hours or as soon as more information becomes available.
identified
We have identified the issue of message processing failures for WhatsApp Sandbox. Customers using WhatsApp Try Out may be unable to interact with the Sandbox while we work to restore normal functionality. We will provide another update in 2 hours or as soon as more information becomes available.
identified
We have identified the issue of message processing failures for WhatsApp Sandbox. Customers using WhatsApp Try Out may be unable to interact with the Sandbox environment, and some requests may return HTTP 404 status codes. We are working toward a fix. We will provide another update in 1 hour or as soon as more information becomes available.
identified
We have identified the issue of message processing failures for WhatsApp Sandbox. Customers using WhatsApp Try Out may be unable to interact with the sandbox sender at this time, and we are working toward a fix. We will provide another update in 1 hour or as soon as more information becomes available.
investigating
We are investigating an issue with WhatsApp Sandbox. Users may experience messages not being processed in the sandbox environment. We will provide another update in 1 hour or as soon as more information becomes available.
Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom
minor Observed active window 6h 42m

View incident details and source

Started:

Verify Silent Network Auth
monitoring
We have observed the recovery in API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom 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 the recovery in API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom 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 device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. API transactions may temporarily fail over to secondary methods like SMS OTP. Our team is actively investigating the issue. We will provide another update in 1 hour or as soon as more information becomes available.
SMS Delivery Delays from Twilio to Beeline Kazakhstan
minor Observed active window 7h 34m

View incident details and source

Started:

SMS, APAC
monitoring
We have observed a recovery in SMS delivery from Twilio to Beeline network subscribers in Kazakhstan and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
monitoring
We have observed a recovery in SMS delivery from Twilio to Beeline network subscribers in Kazakhstan 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 SMS delivery from Twilio to Beeline network subscribers in Kazakhstan 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 Beeline network subscribers in Kazakhstan. 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 DigiTel Venezuela
minor Observed active window 9h 26m

View incident details and source

Started:

SMS, Latin America
monitoring
We have observed a recovery in SMS delivery from Twilio to DigiTel network subscribers in Venezuela 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 SMS delivery from Twilio to Digitel network subscribers in Venezuela 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 Digitel network subscribers in Venezuela. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from Twilio to DigiTel network subscribers in Venezuela. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays from Twilio to DigiTel network subscribers in Venezuela. 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 Twilio to DigiTel network subscribers in Venezuela. 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 Twilio to Zamtel Zambia
minor Observed active window 6h 21m

View incident details and source

Started:

SMS, Middle East & Africa
monitoring
We have observed a recovery in SMS delivery from Twilio to Zamtel network subscribers in Zambia 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 and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.
investigating
Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. 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 and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
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.

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.

August 2026
SMS Delivery Delays from Twilio to Mobile Oman
minor Source not attested
Last archived state: resolved
View archived record details
SMS, Middle East & Africa
monitoring
We have observed a recovery in SMS delivery from Twilio to Mobile network subscribers in Oman 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 Mobile network subscribers in Oman. 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 Mobile network subscribers in Oman. 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 International Pre-Registered Sender IDs to Vinaphone Vietnam
minor Source not attested
Last archived state: resolved
View archived record details
SMS, APAC
monitoring
We have observed a recovery in SMS delivery receipts from a subset of Twilio International Pre-Registered Sender IDs to Vinaphone network subscribers in Vietnam 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 International Pre-Registered Sender IDs to Vinaphone network subscribers in Vietnam. 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 International Pre-Registered Sender IDs to Vinaphone network subscribers in Vietnam. 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 International Pre-Registered Sender IDs to Vinaphone network subscribers in Vietnam. 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 Twilio to Viva Dominican Republic
minor Source not attested
Last archived state: resolved
View archived record details
SMS, Latin America
identified
Twilio customers may be experiencing SMS delivery delays from Twilio to Viva network subscribers in the Dominican Republic. 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 Viva network subscribers in the Dominican Republic. 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 Viva Dominican Republic
minor Source not attested
Last archived state: resolved
View archived record details
SMS, Latin America
monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic 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 SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic 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 and failures from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic. 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 Viva network subscribers in the Dominican Republic. 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 Viva network subscribers in the Dominican Republic. 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 Twilio to Dukagjini Kosovo
minor Source not attested
Last archived state: resolved
View archived record details
SMS, Europe
monitoring
We have observed a recovery in SMS delivery from Twilio to Dukagjini network subscribers in Kosovo 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 Twilio to Dukagjjni network subscribers in Kosovo. 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 failures from Twilio to Dukagjjni network subscribers in Kosovo. 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 failures from Twilio to Dukagjjni network subscribers in Kosovo. 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 failures from Twilio to Dukagjjni network subscribers in Kosovo. 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 Between a Subset of Twilio Phone Numbers and Multiple Networks in Japan
minor Source not attested
Last archived state: resolved
View archived record details
Voice, APAC
monitoring
We have observed a recovery in voice call failures between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Japan 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 between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Japan. 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 Between a Subset of Twilio Phone Numbers and Multiple Networks in Japan
minor Source not attested
Last archived state: resolved
View archived record details
Voice, APAC
identified
Twilio customers may be experiencing voice call failures between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Japan. 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 between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Japan. 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 IDs to Altan Redes Mexico
minor Source not attested
Last archived state: resolved
View archived record details
SMS, Latin America
monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Altan Redes network subscribers in Mexico 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 IDs to Altan Redes network subscribers in Mexico. 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 Altan Redes network subscribers in Mexico. 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 failures from a subset of Twilio Alphanumeric Sender IDs to Altan Redes network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Voice Call Post Dial Delay from Twilio Phone Numbers to Mexico
minor Source not attested
Last archived state: resolved
View archived record details
Voice, Latin America
monitoring
We have observed a recovery in voice calls from Twilio Phone Numbers to network subscribers in Mexico 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 post dial delay from Twilio Phone Numbers to network subscribers in Mexico. 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 post dial delay from Twilio Phone Numbers to network subscribers in Mexico. 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 Short Codes to T-Mobile United States
minor Source not attested
Last archived state: resolved
View archived record details
SMS Short Code, North America
monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to T-Mobile 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.
investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-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 T-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.