Twilio Outage History

Started Jul 30, 2026, 02:41 PM UTC· resolved Jul 30, 2026, 06:54 PM UTC

1. investigating Jul 30, 2026, 02:41 PM UTC

   We are currently investigating an issue with "stuck events" in MSS-cleaner. We expect to provide another update in 1 hour or as soon as more information becomes available

2. investigating Jul 30, 2026, 04:19 PM UTC

   We are contiuning to investigate this issue.

3. investigating Jul 30, 2026, 04:25 PM UTC

   We are continuing to investigate this issue.

4. investigating Jul 30, 2026, 06:28 PM UTC

   We are contiuning to investigate this issue.

5. resolved Jul 30, 2026, 06:54 PM UTC

   We have fully investigated the Bulk Export API issue triggered by our automated alert, and it was determined that there is no noticeable customer impact. All systems are operational.

Read the full incident report →

Started Jul 30, 2026, 10:02 AM UTC· resolved Jul 30, 2026, 10:02 AM UTC

1. resolved Jul 30, 2026, 10:02 AM UTC

   Twilio Invocations was degraded for 14 minutes between 02:14 and 02:28 Pacific Time on 07/30/2026. During this period of time, customers may have experienced failing invocations in the US1 region. The issue has now been resolved.

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Started Jul 30, 2026, 06:59 AM UTC· resolved Jul 30, 2026, 08:11 AM UTC

1. investigating Jul 30, 2026, 06:59 AM UTC

   We are currently investigating an issue causing a spike in 503 errors and increased latency with the Verify service. As a result, customers may experience errors or delays when creating and checking verifications. Our engineering teams are actively working to isolate the root cause. We will provide another update in 30 minutes or as soon as more information becomes available.

2. monitoring Jul 30, 2026, 07:41 AM UTC

   No further 503 errors or latency spikes have been detected in the past 30 minutes. We are now transitioning to a 30-minute monitoring phase to ensure continued stability

3. resolved Jul 30, 2026, 08:11 AM UTC

   The issue affecting intermittent 503 errors and increased latency with the Verify service has been resolved, and the service is functioning normally at this time.

Read the full incident report →

Started Jul 30, 2026, 05:23 AM UTC· resolved Jul 30, 2026, 12:54 PM UTC

1. identified Jul 30, 2026, 05:23 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Zamtel network subscribers in Zambia. 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.

2. monitoring Jul 30, 2026, 06:18 AM UTC

   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.

3. monitoring Jul 30, 2026, 08:19 AM UTC

   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 4 hours or as soon as more information becomes available.

4. monitoring Jul 30, 2026, 12:25 PM UTC

   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 8 hours or as soon as more information becomes available.

5. resolved Jul 30, 2026, 12:54 PM UTC

   The incident has been resolved and SMS delivery from Twilio to Zamtel network subscribers in Zambia is operating normally.

Read the full incident report →

Started Jul 29, 2026, 10:49 PM UTC· resolved Aug 05, 2026, 06:51 AM UTC

1. investigating Jul 29, 2026, 10:49 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified Jul 30, 2026, 12:06 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

3. identified Jul 30, 2026, 01:11 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

4. identified Jul 30, 2026, 03:13 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

5. identified Jul 30, 2026, 07:13 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

6. identified Jul 30, 2026, 02:13 PM UTC

   Twilio customers may be experiencing SMS delivery delays and Failures from Twilio to Unitel network subscribers in Angola. 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. identified Jul 30, 2026, 03:15 PM UTC

   Twilio customers may be experiencing SMS delivery delays and Failures from Twilio to Unitel network subscribers in Angola. 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.

8. identified Jul 30, 2026, 05:17 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Unitel network subscribers in Angola. 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.

9. identified Jul 30, 2026, 09:23 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Unitel network subscribers in Angola. 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.

10. identified Jul 31, 2026, 05:26 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Unitel network subscribers in Angola. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

11. identified Jul 31, 2026, 09:26 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

12. identified Aug 01, 2026, 09:29 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

13. identified Aug 02, 2026, 09:34 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

14. identified Aug 03, 2026, 09:35 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

15. monitoring Aug 04, 2026, 11:12 PM UTC

    We have observed a recovery in SMS delivery from Twilio to Unitel network subscribers in Angola and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

16. monitoring Aug 05, 2026, 01:13 AM UTC

    We have observed a recovery in SMS delivery from Twilio to Unitel network subscribers in Angola and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

17. monitoring Aug 05, 2026, 05:13 AM UTC

    We have observed a recovery in SMS delivery from Twilio to Unitel network subscribers in Angola and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

18. resolved Aug 05, 2026, 06:51 AM UTC

    The incident has been resolved and SMS delivery from Twilio to Unitel network subscribers in Angola is operating normally.

Read the full incident report →

Started Jul 29, 2026, 08:55 PM UTC· resolved Jul 29, 2026, 10:28 PM UTC

1. investigating Jul 29, 2026, 08:55 PM UTC

   Our monitoring systems have detected a potential issue with Studio Timers failing to schedule causing workflow failure. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

2. investigating Jul 29, 2026, 09:27 PM UTC

   We are investigating a small number of Send & Wait for Reply widgets in studio are failing to take the no reply transition, also a small number of add Twiml redirect widgets in studio are failing to take the timeout transition.. We expect to provide another update in 1 hour or as soon as more information becomes available

3. resolved Jul 29, 2026, 10:28 PM UTC

   The issu about Studio Timers failing to schedule causing workflow failure has been resolved and it is operating normally at this time.

Read the full incident report →

Started Jul 29, 2026, 08:49 PM UTC· resolved Jul 30, 2026, 04:56 AM UTC

1. investigating Jul 29, 2026, 08:49 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Africell network subscribers in Angola. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified Jul 29, 2026, 08:51 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Africell network subscribers in Angola. 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.

3. identified Jul 29, 2026, 09:52 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Africell network subscribers in Angola. 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.

4. monitoring Jul 29, 2026, 11:01 PM UTC

   We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Africell network subscribers in Angola and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

5. monitoring Jul 30, 2026, 01:02 AM UTC

   We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Africell network subscribers in Angola and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

6. resolved Jul 30, 2026, 04:56 AM UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Africell network subscribers in Angola is operating normally.

Read the full incident report →

Started Jul 29, 2026, 07:53 PM UTC· resolved Aug 09, 2026, 07:59 PM UTC

1. investigating Jul 29, 2026, 07:53 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty network subscribers in Puerto Rico. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified Jul 29, 2026, 07:59 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty network subscribers in Puerto Rico. 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.

3. identified Jul 29, 2026, 09:00 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty network subscribers in Puerto Rico. 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.

4. identified Jul 29, 2026, 11:00 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty network subscribers in Puerto Rico. 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.

5. identified Jul 30, 2026, 03:03 AM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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. Components: SMS, Latin America

6. identified Jul 30, 2026, 11:03 AM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty network subscribers in Puerto Rico. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

7. identified Jul 30, 2026, 07:39 PM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

8. identified Jul 30, 2026, 07:46 PM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty network subscribers in Puerto Rico. 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.

9. identified Aug 02, 2026, 11:26 PM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty network subscribers in Puerto Rico. 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.

10. identified Aug 03, 2026, 12:26 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

11. identified Aug 03, 2026, 02:29 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

12. identified Aug 03, 2026, 06:31 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

13. identified Aug 03, 2026, 02:39 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

14. identified Aug 04, 2026, 06:45 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

15. identified Aug 05, 2026, 06:48 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

16. identified Aug 06, 2026, 06:49 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

17. identified Aug 07, 2026, 06:50 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

18. monitoring Aug 08, 2026, 06:56 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

19. monitoring Aug 08, 2026, 08:59 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

20. monitoring Aug 08, 2026, 01:01 PM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

21. monitoring Aug 08, 2026, 09:06 PM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

22. monitoring Aug 09, 2026, 01:07 PM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

23. resolved Aug 09, 2026, 07:59 PM UTC

    The incident has been resolved and SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico are operating normally.

Read the full incident report →

Started Jul 29, 2026, 06:56 PM UTC· resolved Jul 29, 2026, 10:14 PM UTC

1. investigating Jul 29, 2026, 06:56 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Safaricom network subscribers in Kenya. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified Jul 29, 2026, 07:05 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Safaricom network subscribers in Kenya. 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.

3. monitoring Jul 29, 2026, 08:07 PM UTC

   We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Safaricom network subscribers in Kenya and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

4. resolved Jul 29, 2026, 10:14 PM UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Safaricom network subscribers in Kenya is operating normally.

Read the full incident report →

Started Jul 29, 2026, 06:09 PM UTC· resolved Jul 29, 2026, 09:54 PM UTC

1. investigating Jul 29, 2026, 06:09 PM UTC

   Twilio customers may be experiencing MMS 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.

2. identified Jul 29, 2026, 06:44 PM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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.

3. monitoring Jul 29, 2026, 07:52 PM UTC

   We have observed a recovery in MMS delivery receipts from a subset of Twilio Short Codes to network subscribers on multiple networks 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.

4. resolved Jul 29, 2026, 09:54 PM UTC

   The incident has been resolved and MMS delivery receipts from a subset of Twilio Short Codes to network subscribers on affected networks in the United States are operating normally.

Read the full incident report →

Started Jul 29, 2026, 01:51 PM UTC· resolved Jul 29, 2026, 07:36 PM UTC

1. investigating Jul 29, 2026, 01:51 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Fastweb 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.

2. identified Jul 29, 2026, 02:41 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Fastweb SpA 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.

3. identified Jul 29, 2026, 03:42 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Fastweb SpA 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.

4. monitoring Jul 29, 2026, 04:34 PM UTC

   We have observed a recovery in SMS delivery from Twilio to Fastweb SpA 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.

5. monitoring Jul 29, 2026, 06:40 PM UTC

   We have observed a recovery in SMS delivery from Twilio to Fastweb SpA network subscribers in Italy and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

6. resolved Jul 29, 2026, 07:36 PM UTC

   The incident has been resolved and SMS delivery from Twilio to Fastweb SpA network subscribers in Italy is operating normally.

Read the full incident report →

Started Jul 29, 2026, 06:42 AM UTC· resolved Jul 29, 2026, 07:55 AM UTC

1. investigating Jul 29, 2026, 06:42 AM UTC

   We are investigating a service interruption with Console when saving phone number configurations assigned to a Studio Flow. As a temporary workaround, please ensure a valid Status Callback URL is populated when setting your Voice URL to a Studio Flow. We expect to provide another update in 1 hour or as soon as more information becomes available.

2. investigating Jul 29, 2026, 07:37 AM UTC

   We are still investigating a service interruption with Console when saving phone number configurations assigned to a Studio Flow. As a temporary workaround, please ensure a valid Status Callback URL is populated when setting your Voice URL to a Studio Flow. We expect to provide another update in 1 hour or as soon as more information becomes available.

3. resolved Jul 29, 2026, 07:55 AM UTC

   The incident has been resolved and saving phone number configurations assigned to a Studio Flow are operating normally.

Read the full incident report →

Started Jul 29, 2026, 12:06 AM UTC· resolved Aug 06, 2026, 11:19 AM UTC

1. identified Jul 29, 2026, 12:06 AM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Metfone network subscribers in Cambodia. 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.

2. identified Jul 29, 2026, 12:27 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. 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.

3. identified Jul 29, 2026, 04:46 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. 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.

4. identified Jul 29, 2026, 06:48 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. 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.

5. identified Jul 29, 2026, 10:50 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. 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.

6. identified Jul 29, 2026, 06:51 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

7. identified Jul 29, 2026, 09:34 PM UTC

   We are continuing to work on a fix for this issue.

8. identified Jul 29, 2026, 09:34 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

9. identified Jul 30, 2026, 11:39 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

10. identified Jul 30, 2026, 09:40 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. 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.

11. identified Jul 30, 2026, 11:42 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. 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.

12. identified Jul 31, 2026, 03:44 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. 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.

13. identified Jul 31, 2026, 11:42 AM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

14. identified Jul 31, 2026, 11:53 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

15. identified Aug 01, 2026, 03:54 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

16. identified Aug 01, 2026, 02:27 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

17. identified Aug 02, 2026, 05:27 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

18. identified Aug 02, 2026, 02:28 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

19. identified Aug 03, 2026, 05:29 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

20. identified Aug 03, 2026, 02:28 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

21. identified Aug 04, 2026, 05:29 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

22. identified Aug 04, 2026, 02:30 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

23. identified Aug 05, 2026, 05:30 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

24. identified Aug 05, 2026, 02:31 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

25. monitoring Aug 06, 2026, 05:10 AM UTC

    We have observed a recovery in SMS delivery delays and failures from Twilio to Metfone network subscribers in Cambodia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

26. monitoring Aug 06, 2026, 07:21 AM UTC

    We have observed a recovery in SMS delivery from Twilio to Metfone network subscribers in Cambodia and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

27. resolved Aug 06, 2026, 11:19 AM UTC

    The incident has been resolved and SMS delivery from Twilio to Metfone network subscribers in Cambodia is operating normally.

Read the full incident report →

Started Jul 28, 2026, 08:19 PM UTC· resolved Jul 29, 2026, 01:37 PM UTC

1. investigating Jul 28, 2026, 08:19 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to MTN 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.

2. identified Jul 28, 2026, 08:29 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to MTN network subscribers in Zambia. 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.

3. identified Jul 28, 2026, 09:29 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to MTN network subscribers in Zambia. 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.

4. monitoring Jul 28, 2026, 09:58 PM UTC

   We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN 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.

5. monitoring Jul 28, 2026, 11:58 PM UTC

   We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

6. monitoring Jul 29, 2026, 04:04 AM UTC

   We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

7. monitoring Jul 29, 2026, 12:05 PM UTC

   We have observed a recovery in SMS delivery from Twilio to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

8. resolved Jul 29, 2026, 01:37 PM UTC

   The incident has been resolved and SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia is operating normally.

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Started Jul 28, 2026, 08:09 PM UTC· resolved Jul 28, 2026, 09:57 PM UTC

1. investigating Jul 28, 2026, 08:09 PM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio Phone Numbers to Altan network subscribers in Mexico. 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.

2. identified Jul 28, 2026, 08:18 PM UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Altan network subscribers in Mexico. 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.

3. monitoring Jul 28, 2026, 08:22 PM UTC

   We have observed a recovery in SMS delivery receipts from Twilio Phone Numbers to Altan 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.

4. monitoring Jul 28, 2026, 08:40 PM UTC

   We are continuing to monitor for any further issues.

5. resolved Jul 28, 2026, 09:57 PM UTC

   The incident has been resolved and SMS delivery receipts from Twilio to Altan network subscribers in Mexico are operating normally.

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Started Jul 28, 2026, 04:32 PM UTC· resolved Jul 28, 2026, 04:46 PM UTC

1. investigating Jul 28, 2026, 04:32 PM UTC

   Our monitoring systems have detected a potential issue with transcription. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

2. resolved Jul 28, 2026, 04:46 PM UTC

   Twilio Transcript was degraded for 38 minutes between 8:55 to 9:33 am PDT 7/28/2026. During this period of time customers may have experienced degraded speech recognition and realtime transcriptions for Voice and Video.. The issue has now been resolved.

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Started Jul 28, 2026, 03:20 PM UTC· resolved Jul 28, 2026, 06:45 PM UTC

1. investigating Jul 28, 2026, 03:20 PM UTC

   Due to an issue with transcription processing, customers might see delays in their transcriptions being available. (including the webhooks not firing) Our Engineers are investigating this issue, and once services are correctly restored transcriptions will be generated and webhooks triggered. We will provide an update in 1 hour or as soon as more information becomes available.

2. investigating Jul 28, 2026, 04:24 PM UTC

   Due to an issue with transcription processing, customers might see delays in their transcriptions being available. (including the webhooks not firing) Our Engineers are investigating this issue, and once services are correctly restored transcriptions will be generated and webhooks triggered. We will provide an update in 2 hours or as soon as more information becomes available.

3. monitoring Jul 28, 2026, 04:36 PM UTC

   Customers should see improvements with the ongoing issue with transcription processing. We will monitor for 2 hours and will provide information as soon as needed.

4. resolved Jul 28, 2026, 06:45 PM UTC

   This issue has been resolved.

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Started Jul 28, 2026, 02:01 PM UTC· resolved Jul 28, 2026, 05:46 PM UTC

1. investigating Jul 28, 2026, 02:01 PM UTC

   Twilio customers may be experiencing User Authentication Identity SNA failure increase for EE in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified Jul 28, 2026, 02:15 PM UTC

   Twilio customers may be experiencing User Authentication Identity SNA failure increase for EE in the United Kingdom. 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.

3. identified Jul 28, 2026, 03:21 PM UTC

   Twilio customers may be experiencing User Authentication Identity SNA failure increase for EE in the United Kingdom. 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.

4. monitoring Jul 28, 2026, 03:40 PM UTC

   We have observed a recovery in User Authentication Identity SNA failure increase for EE 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.

5. resolved Jul 28, 2026, 05:46 PM UTC

   The incident has been resolved and User Authentication Identity SNA failure increase for EE in the United Kingdom is operating normally.

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Started Jul 28, 2026, 07:26 AM UTC· resolved Jul 28, 2026, 06:09 PM UTC

1. identified Jul 28, 2026, 07:26 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for EnStream in Canada. 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.

2. identified Jul 28, 2026, 08:26 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for EnStream in Canada. 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.

3. identified Jul 28, 2026, 10:27 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for EnStream in Canada. 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.

4. monitoring Jul 28, 2026, 02:20 PM UTC

   We have observed a recovery in User Authentication Identity Gateway API failure increase for EnStream in Canada and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

5. monitoring Jul 28, 2026, 04:23 PM UTC

   We have observed a recovery in User Authentication Identity Gateway API failure increase for EnStream in Canada and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

6. resolved Jul 28, 2026, 06:09 PM UTC

   The incident has been resolved and User Authentication Identity Gateway API failure increase for EnStream in Canada is operating normally.

Read the full incident report →

Started Jul 28, 2026, 05:50 AM UTC· resolved Jul 28, 2026, 06:27 AM UTC

1. identified Jul 28, 2026, 05:50 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to UNITEL network subscribers in Angola. 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.

2. monitoring Jul 28, 2026, 06:26 AM UTC

   We have observed a recovery in SMS delivery from Twilio to UNITEL network subscribers in Angola and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

3. resolved Jul 28, 2026, 06:27 AM UTC

   The incident has been resolved and SMS delivery from Twilio to UNITEL network subscribers in Angola is operating normally.

Read the full incident report →

Started Jul 28, 2026, 05:28 AM UTC· resolved Jul 28, 2026, 08:28 AM UTC

1. investigating Jul 28, 2026, 05:28 AM UTC

   Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Short Codes to Verizon and 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.

2. monitoring Jul 28, 2026, 06:26 AM UTC

   We have observed a recovery in MMS delivery from a subset of Twilio Short Codes to Verizon and 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.

3. resolved Jul 28, 2026, 08:28 AM UTC

   The incident has been resolved and MMS delivery from a subset of Twilio Short Codes to Verizon Wireless and T-Mobile network subscribers in the United States is operating normally.

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Started Jul 28, 2026, 05:05 AM UTC· resolved Jul 29, 2026, 01:36 PM UTC

1. investigating Jul 28, 2026, 05:05 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified Jul 28, 2026, 05:10 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

3. identified Jul 28, 2026, 06:16 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

4. identified Jul 28, 2026, 08:20 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

5. identified Jul 28, 2026, 12:26 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. 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.

6. identified Jul 28, 2026, 08:26 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

7. identified Jul 29, 2026, 12:41 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Unitel network subscribers in Angola. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

8. resolved Jul 29, 2026, 01:36 PM UTC

   We have observed a recovery in SMS delivery from Twilio to Unitel network subscribers in Angola and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

Read the full incident report →

Started Jul 28, 2026, 03:13 AM UTC· resolved Aug 03, 2026, 04:36 PM UTC

1. investigating Jul 28, 2026, 03:13 AM UTC

   Twilio customers may be experiencing voice call failures from subset of Twilio Phone Numbers to network subscribers in the United States, impacting a subset of 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.

2. identified Jul 28, 2026, 03:33 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to 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.

3. identified Jul 28, 2026, 04:35 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to 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.

4. identified Jul 28, 2026, 06:35 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to 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.

5. identified Jul 28, 2026, 10:37 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to 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 8 hours or as soon as more information becomes available.

6. identified Jul 28, 2026, 06:38 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to 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 16 hours or as soon as more information becomes available.

7. identified Jul 28, 2026, 07:54 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio to Core Communications 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.

8. identified Jul 28, 2026, 08:54 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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.

9. identified Jul 28, 2026, 10:55 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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.

10. identified Jul 29, 2026, 02:56 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 8 hours or as soon as more information becomes available.

11. identified Jul 29, 2026, 11:02 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 16 hours or as soon as more information becomes available.

12. identified Jul 30, 2026, 03:15 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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.

13. identified Jul 30, 2026, 04:21 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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.

14. identified Jul 30, 2026, 06:22 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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.

15. identified Jul 30, 2026, 10:26 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 8 hours or as soon as more information becomes available.

16. identified Jul 30, 2026, 06:30 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 16 hours or as soon as more information becomes available.

17. identified Jul 31, 2026, 10:31 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 24 hours or as soon as more information becomes available.

18. identified Aug 01, 2026, 10:33 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 24 hours or as soon as more information becomes available.

19. identified Aug 02, 2026, 10:40 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 24 hours or as soon as more information becomes available.

20. identified Aug 03, 2026, 10:44 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications 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 24 hours or as soon as more information becomes available.

21. resolved Aug 03, 2026, 04:36 PM UTC

    We have completed our investigation and determined that this event did not result in any customer impact. Therefore, voice calls from Twilio Phone Numbers to network subscribers in the United States are operating normally.

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Started Jul 28, 2026, 02:22 AM UTC· resolved Jul 28, 2026, 06:59 AM UTC

1. identified Jul 28, 2026, 02:22 AM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes and Toll-Free Numbers 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 1 hour or as soon as more information becomes available.

2. identified Jul 28, 2026, 03:33 AM UTC

   Twilio customers may be experiencing SMS delivery report delays from a subset of Twilio Toll-Free Numbers 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 2 hours or as soon as more information becomes available.

3. monitoring Jul 28, 2026, 05:17 AM UTC

   Twilio customers may be experiencing SMS delivery report delays from a subset of Twilio Toll-Free Numbers 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.

4. resolved Jul 28, 2026, 06:59 AM UTC

   The incident has been resolved and SMS delivery receipts from a subset of Twilio Toll-Free Numbers to Verizon network subscribers in the United States are operating normally.

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Started Jul 27, 2026, 10:12 PM UTC· resolved Jul 28, 2026, 05:41 AM UTC

1. investigating Jul 27, 2026, 10:12 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers 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.

2. identified Jul 27, 2026, 10:34 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile 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.

3. identified Jul 27, 2026, 11:34 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile 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.

4. identified Jul 28, 2026, 01:35 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile 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.

5. monitoring Jul 28, 2026, 03:40 AM UTC

   We have observed a recovery in SMS delivery from Twilio 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.

6. resolved Jul 28, 2026, 05:41 AM UTC

   The incident has been resolved and SMS delivery from Twilio to T-Mobile network subscribers in the United States is operating normally.

Read the full incident report →