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Twilio

Twilio · Communications

MINOR
Status Page
https://status.twilio.com/

View Twilio Status History & Stats

Last 30 Days
12 incidents

Current state: Degraded performance

Components

  • Account Insights
    Operational
  • ACCOUNT SECURITY
    Operational
  • API v2
    Operational
  • API v3
    Operational
  • Billing
    Operational
  • Client Mobile IE1
    Operational
  • Client Web IE1
    Operational
  • Console
    Operational
  • Customer Support Center
    Operational
  • Debugger & Alarms
    Operational
  • Dedicated IP Address
    Operational
  • DEVELOPER TOOLS
    Operational
  • Documentation
    Operational
  • ELASTIC SIP TRUNKING IE1
    Operational
  • Event Webhooks
    Operational
  • Flex Agent Copilot
    Operational
  • INTERCONNECT
    Operational
  • Logs
    Operational
  • Messaging Services
    Operational
  • Notify
    Operational
  • Organization
    Operational
  • Origination IE1
    Operational
  • Parse API
    Operational
  • PROGRAMMABLE CHAT
    Operational
  • PROGRAMMABLE MESSAGING
    Operational
  • RCS Messaging
    Operational
  • REST API
    Operational
  • SendGrid API
    Operational
  • SendGrid Billing
    Operational
  • SendGrid Email Activity
    Operational
  • SendGrid Legacy Marketing Campaigns
    Operational
  • SendGrid Marketing Campaigns
    Operational
  • SendGrid Partners
    Operational
  • SendGrid Statistics
    Operational
  • SendGrid Website
    Operational
  • SMS
    Operational
  • SMS, Europe
    Degraded performance
  • SMTP
    Operational
  • Termination IE1
    Operational
  • TWILIO PLATFORM
    Degraded performance
  • Webhooks
    Operational
  • WhatsApp Messaging
    Operational

Ongoing Incidents

Scheduled Maintenance

Recent incidents

  1. SMS Delivery Delays from Twilio to Vivacom Bulgaria

    Minor · 22 Aug 2026, 16:20 · resolved 1 day ago

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • monitoring

      **2026-08-22T15:20:33.008Z** — Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-08-22T16:21:01.514Z** — Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available. **2026-08-22T18:13:23.234Z** — Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom network subscribers in Bulgaria. 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. **2026-08-22T18:14:01.771Z** — We have observed a recovery in SMS delivery from Twilio to Vivacom network subscribers in Bulgaria and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    • investigating

      **2026-08-22T15:20:33.008Z** — Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-08-22T16:21:01.514Z** — Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

    • investigating

      **2026-08-22T15:20:33.008Z** — Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. SMS Delivery Delays from Twilio to Mobile Oman

    Minor · 22 Aug 2026, 06:15 · resolved 2 days ago

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • monitoring

      **2026-08-22T05:15:25.083Z** — 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. **2026-08-22T05:24:12.940Z** — 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. **2026-08-22T06:25:29.032Z** — 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

      **2026-08-22T05:15:25.083Z** — 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. **2026-08-22T05:24:12.940Z** — 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

      **2026-08-22T05:15:25.083Z** — 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.

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • monitoring

      **2026-08-22T03:43:46.979Z** — 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. **2026-08-22T03:45:53.276Z** — 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. **2026-08-22T04:46:13.068Z** — 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. **2026-08-22T05:06:12.824Z** — 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

      **2026-08-22T03:43:46.979Z** — 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. **2026-08-22T03:45:53.276Z** — 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. **2026-08-22T04:46:13.068Z** — 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

      **2026-08-22T03:43:46.979Z** — 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. **2026-08-22T03:45:53.276Z** — 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

      **2026-08-22T03:43:46.979Z** — 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.

  4. SMS Delivery Delays from Twilio to Viva Dominican Republic

    Minor · 21 Aug 2026, 22:40 · resolved 2 days ago

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • identified

      **2026-08-21T21:40:38.563Z** — 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. **2026-08-21T21:46:23.447Z** — 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

      **2026-08-21T21:40:38.563Z** — 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.

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • monitoring

      **2026-08-21T19:39:27.381Z** — 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. **2026-08-21T19:41:57.126Z** — 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. **2026-08-21T20:42:39.250Z** — 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. **2026-08-21T22:35:50.505Z** — 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. **2026-08-22T00:36:24.141Z** — 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. **2026-08-22T04:41:57.826Z** — 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

      **2026-08-21T19:39:27.381Z** — 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. **2026-08-21T19:41:57.126Z** — 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. **2026-08-21T20:42:39.250Z** — 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. **2026-08-21T22:35:50.505Z** — 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. **2026-08-22T00:36:24.141Z** — 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

      **2026-08-21T19:39:27.381Z** — 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. **2026-08-21T19:41:57.126Z** — 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. **2026-08-21T20:42:39.250Z** — 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. **2026-08-21T22:35:50.505Z** — 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

      **2026-08-21T19:39:27.381Z** — 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. **2026-08-21T19:41:57.126Z** — 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. **2026-08-21T20:42:39.250Z** — 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

      **2026-08-21T19:39:27.381Z** — 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. **2026-08-21T19:41:57.126Z** — 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

      **2026-08-21T19:39:27.381Z** — 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.

  6. SMS Delivery Failures from Twilio to Dukagjini Kosovo

    Minor · 21 Aug 2026, 17:48 · resolved 2 days ago

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • monitoring

      **2026-08-21T16:48:41.210Z** — 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. **2026-08-21T17:49:04.615Z** — 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. **2026-08-21T19:57:51.493Z** — 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. **2026-08-21T23:58:08.309Z** — 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. **2026-08-22T01:12:29.016Z** — 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

      **2026-08-21T16:48:41.210Z** — 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. **2026-08-21T17:49:04.615Z** — 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. **2026-08-21T19:57:51.493Z** — 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. **2026-08-21T23:58:08.309Z** — 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

      **2026-08-21T16:48:41.210Z** — 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. **2026-08-21T17:49:04.615Z** — 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. **2026-08-21T19:57:51.493Z** — 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

      **2026-08-21T16:48:41.210Z** — 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. **2026-08-21T17:49:04.615Z** — 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

      **2026-08-21T16:48:41.210Z** — 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.

  7. United Kingdom Account Security Carrier Partner Maintenance - Vodafone

    Maintenance · 21 Aug 2026, 16:32 · resolved 2 days ago

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • investigating

      **2026-08-21T15:32:25.188Z** — <p>Our carrier partner Vodafone United Kingdom is conducting an emergency maintenance from 21 August 2026 at 16:00 PDT until 21 August 2026 at 19:45 PDT. During the maintenance window, there could be intermittent API request failures for Vodafone United Kingdom customers.</p> <p>Impacted Products: Lookup Identity Match, Legacy Identity MatchAndAttributes</p> <p>We are aware of the short notice and are working with our Carrier Partners to provide earlier notification where possible.</p> **2026-08-21T22:00:07.368Z** — Maintenance will begin as scheduled in 60 minutes. **2026-08-21T23:00:08.276Z** — Scheduled maintenance is currently in progress. We will provide updates as necessary.

    • investigating

      **2026-08-21T15:32:25.188Z** — <p>Our carrier partner Vodafone United Kingdom is conducting an emergency maintenance from 21 August 2026 at 16:00 PDT until 21 August 2026 at 19:45 PDT. During the maintenance window, there could be intermittent API request failures for Vodafone United Kingdom customers.</p> <p>Impacted Products: Lookup Identity Match, Legacy Identity MatchAndAttributes</p> <p>We are aware of the short notice and are working with our Carrier Partners to provide earlier notification where possible.</p> **2026-08-21T22:00:07.368Z** — Maintenance will begin as scheduled in 60 minutes.

    • investigating

      **2026-08-21T15:32:25.188Z** — <p>Our carrier partner Vodafone United Kingdom is conducting an emergency maintenance from 21 August 2026 at 16:00 PDT until 21 August 2026 at 19:45 PDT. During the maintenance window, there could be intermittent API request failures for Vodafone United Kingdom customers.</p> <p>Impacted Products: Lookup Identity Match, Legacy Identity MatchAndAttributes</p> <p>We are aware of the short notice and are working with our Carrier Partners to provide earlier notification where possible.</p>

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • monitoring

      **2026-08-21T07:09:05.047Z** — 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. **2026-08-21T07:57:25.739Z** — 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

      **2026-08-21T07:09:05.047Z** — 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.

  9. United States SMS Carrier Maintenance - AT&T

    Maintenance · 21 Aug 2026, 07:54 · resolved about 17 hours ago

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • investigating

      **2026-08-21T06:54:18.455Z** — <p>The AT&T network in the United States is conducting a planned maintenance from 23 August 2026 at 00:00 PDT until 23 August 2026 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T United States handsets when sending via long codes and short codes.</p> **2026-08-23T06:00:39.076Z** — Maintenance will begin as scheduled in 60 minutes. **2026-08-23T07:00:09.118Z** — Scheduled maintenance is currently in progress. We will provide updates as necessary.

    • investigating

      **2026-08-21T06:54:18.455Z** — <p>The AT&T network in the United States is conducting a planned maintenance from 23 August 2026 at 00:00 PDT until 23 August 2026 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T United States handsets when sending via long codes and short codes.</p> **2026-08-23T06:00:39.076Z** — Maintenance will begin as scheduled in 60 minutes.

    • investigating

      **2026-08-21T06:54:18.455Z** — <p>The AT&T network in the United States is conducting a planned maintenance from 23 August 2026 at 00:00 PDT until 23 August 2026 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T United States handsets when sending via long codes and short codes.</p>

    • resolved

      Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

    • identified

      **2026-08-21T04:13:55.705Z** — 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. **2026-08-21T04:20:17.289Z** — 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

      **2026-08-21T04:13:55.705Z** — 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.