Twilio Outage History

Started Aug 15, 2026, 01:31 AM UTC· resolved Aug 15, 2026, 02:05 AM UTC

1. monitoring Aug 15, 2026, 01:31 AM UTC

   Beginning Aug 14 2026, ~21:45 UTC, we have observed an increase of 10-15% in blocks from Microsoft 365 impacting all Twilio Sendgrid IPs. We have confirmed with other industry contacts that they are observing similar behavior. The blocks are being observed at many domains hosted by Microsoft 365 and are not confined to a specific subset of recipient domains. The blocks are variation of the following: 550 5.7.511 Access denied, banned sender[x.x.x.x]. To request removal from this list please forward this message to [email protected]. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653. AS(1410) Microsoft status page is reporting all systems are operational https://status.cloud.microsoft/m365/referrer=serviceStatusRedirect Impacted users can submit delisting requests per the instructions provided by Microsoft by sending an email with a copy of the error message, and the blocked IP address, to "[email protected]". We will be monitoring and providing updates as new information becomes available.

2. monitoring Aug 15, 2026, 01:37 AM UTC

   We are continuing to monitor for any further issues.

3. monitoring Aug 15, 2026, 01:53 AM UTC

   We are seeing reduction in block rates and some customers are indicating improvements. We will continue to monitor for any further updates.

4. resolved Aug 15, 2026, 02:05 AM UTC

   The incident is resolved and block rates are back to normal but customers will see change in block classifications from Microsoft 365. Users that continue to see elevated blocks can submit delisting requests to Microsoft by sending an email with a copy of the error message, and the blocked IP address, to "[email protected]". Delisting requests can also be made via the Office 365 Anti-Spam IP Delist Portal at https://sender.office.com/

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Started Aug 14, 2026, 02:20 AM UTC· resolved Aug 14, 2026, 06:35 AM UTC

1. investigating Aug 14, 2026, 02:20 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to network subscribers on multiple networks in Colombia. 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 Aug 14, 2026, 03:07 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to network subscribers on multiple networks in Colombia. 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 Aug 14, 2026, 04:13 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to network subscribers on multiple networks in Colombia. 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 Aug 14, 2026, 05:55 AM UTC

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

5. resolved Aug 14, 2026, 06:35 AM UTC

   The incident has been resolved and SMS delivery from Twilio to network subscribers on affected networks in Colombia is operating normally.

Read the full incident report →

Started Aug 13, 2026, 11:19 PM UTC· resolved Aug 16, 2026, 12:35 AM UTC

1. investigating Aug 13, 2026, 11:19 PM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Colombia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. investigating Aug 14, 2026, 12:21 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Colombia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

3. investigating Aug 14, 2026, 02:21 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Colombia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

4. identified Aug 14, 2026, 06:25 AM UTC

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

5. monitoring Aug 14, 2026, 07:40 AM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Colombia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

6. monitoring Aug 14, 2026, 09:41 AM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Colombia and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

7. monitoring Aug 14, 2026, 01:41 PM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Colombia and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

8. monitoring Aug 14, 2026, 09:43 PM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers on multiple networks in Colombia and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

9. monitoring Aug 15, 2026, 01:49 PM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Colombia and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

10. resolved Aug 16, 2026, 12:35 AM UTC

    The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers on affected networks in Colombia are operating normally.

Read the full incident report →

Started Aug 13, 2026, 10:37 PM UTC· resolved Aug 14, 2026, 04:19 AM UTC

1. investigating Aug 13, 2026, 10:37 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to DiGi network subscribers in Malaysia. 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 Aug 13, 2026, 10:43 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to DiGi network subscribers in Malaysia. 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 Aug 13, 2026, 11:25 PM UTC

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

4. identified Aug 13, 2026, 11:27 PM UTC

   Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Long Codes to DiGi network subscribers in Malaysia. 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.

5. identified Aug 14, 2026, 12:33 AM UTC

   Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Long Codes to DiGi network subscribers in Malaysia. 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.

6. monitoring Aug 14, 2026, 01:28 AM UTC

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

7. monitoring Aug 14, 2026, 03:34 AM UTC

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

8. resolved Aug 14, 2026, 04:19 AM UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to DiGi network subscribers in Malaysia is operating normally.

Read the full incident report →

Started Aug 13, 2026, 10:37 PM UTC· resolved Aug 14, 2026, 03:15 PM UTC

1. investigating Aug 13, 2026, 10:37 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Sky network subscribers 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 Aug 13, 2026, 10:46 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Sky network subscribers 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. monitoring Aug 13, 2026, 11:05 PM UTC

   We have observed a recovery in voice calls from Twilio Phone Numbers to Sky network subscribers 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.

4. monitoring Aug 14, 2026, 01:06 AM UTC

   We have observed a recovery in voice calls from Twilio Phone Numbers to Sky network subscribers 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.

5. monitoring Aug 14, 2026, 05:11 AM UTC

   We have observed a recovery in voice calls from Twilio Phone Numbers to Sky network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

6. monitoring Aug 14, 2026, 01:19 PM UTC

   We have observed a recovery in voice calls from Twilio Phone Numbers to Sky network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

7. resolved Aug 14, 2026, 03:15 PM UTC

   The incident has been resolved and voice calls from Twilio Phone Numbers to network subscribers in the United Kingdom are operating normally.

Read the full incident report →

Started Aug 13, 2026, 07:34 PM UTC· resolved Aug 13, 2026, 09:02 PM UTC

1. investigating Aug 13, 2026, 07:34 PM UTC

   We are aware of an issue affecting the signup page for customers attempting to switch to SendGrid from Twilio. Customers may experience inability to complete the product switcher signup flow. Our team is actively investigating. We will provide another update as soon as more information becomes available.

2. investigating Aug 13, 2026, 07:41 PM UTC

   We are aware of an issue affecting the signup page for customers attempting to switch to SendGrid from Twilio. Customers may experience inability to complete the product switcher signup flow. Our team is actively investigating. We will provide another update as soon as more information becomes available.

3. identified Aug 13, 2026, 08:32 PM UTC

   We have identified the root cause of the issue affecting the signup page for customers attempting to switch to SendGrid from Twilio. Our engineering team is currently working on applying a fix. We will provide another update as soon as more information becomes available.

4. resolved Aug 13, 2026, 09:02 PM UTC

   We have deployed a fix to resolve the issue affecting customer signups when switching to SendGrid from Twilio. All signup flows have been verified and are functioning as expected. If you continue to experience issues, please contact support.

Read the full incident report →

Started Aug 13, 2026, 06:49 PM UTC· resolved Aug 14, 2026, 12:54 PM UTC

1. investigating Aug 13, 2026, 06:49 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Sky network subscribers 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 Aug 13, 2026, 07:00 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Sky network subscribers 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 Aug 13, 2026, 08:00 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Sky network subscribers 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. identified Aug 13, 2026, 10:09 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Sky network subscribers in the United Kingdom. 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 Aug 14, 2026, 02:14 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Sky network subscribers in the United Kingdom. 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. monitoring Aug 14, 2026, 06:08 AM UTC

   We have observed a recovery in SMS delivery from Twilio to Sky network subscribers 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.

7. monitoring Aug 14, 2026, 08:09 AM UTC

   We have observed a recovery in SMS delivery from Twilio to Sky network subscribers 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.

8. monitoring Aug 14, 2026, 12:09 PM UTC

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

9. resolved Aug 14, 2026, 12:54 PM UTC

   The incident has been resolved and SMS delivery from Twilio to Sky network subscribers in the United Kingdom is operating normally.

Read the full incident report →

Started Aug 13, 2026, 01:21 PM UTC· resolved Aug 13, 2026, 04:41 PM UTC

1. identified Aug 13, 2026, 01:21 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to Aliv network subscribers in the Bahamas. 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 Aug 13, 2026, 02:26 PM UTC

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

3. resolved Aug 13, 2026, 04:41 PM UTC

   The incident has been resolved and SMS delivery from Twilio to Aliv network subscribers in the Bahamas is operating normally.

Read the full incident report →

Started Aug 13, 2026, 01:19 PM UTC· resolved Aug 14, 2026, 07:52 PM UTC

1. investigating Aug 13, 2026, 01:19 PM UTC

   Twilio customers may be experiencing MMS 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.

2. identified Aug 13, 2026, 01:43 PM UTC

   Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Short Codes 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 Aug 13, 2026, 02:51 PM UTC

   Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Short Codes 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 Aug 13, 2026, 03:33 PM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers 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.

5. identified Aug 13, 2026, 04:33 PM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers 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 2 hours or as soon as more information becomes available.

6. identified Aug 13, 2026, 06:39 PM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers 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 4 hours or as soon as more information becomes available.

7. identified Aug 13, 2026, 10:39 PM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers 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 8 hours or as soon as more information becomes available.

8. identified Aug 14, 2026, 06:39 AM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers 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 16 hours or as soon as more information becomes available.

9. monitoring Aug 14, 2026, 05:49 PM UTC

   We have observed a recovery in MMS delivery receipts 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.

10. resolved Aug 14, 2026, 07:52 PM UTC

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

Read the full incident report →

Started Aug 13, 2026, 05:25 AM UTC· resolved Aug 13, 2026, 05:54 AM UTC

1. investigating Aug 13, 2026, 05:25 AM UTC

   Twilio customers may be experiencing voice call post dial delay and call failures from a subset of Twilio Mobile Numbers to 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 Aug 13, 2026, 05:54 AM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone 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.

3. resolved Aug 13, 2026, 05:54 AM UTC

   The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to Verizon network subscribers in the United States are operating normally.

Read the full incident report →

Started Aug 13, 2026, 04:32 AM UTC· resolved Aug 13, 2026, 07:44 AM UTC

1. investigating Aug 13, 2026, 04:32 AM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Toll-Free Numbers to Verizon 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 Aug 13, 2026, 04:41 AM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short 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.

3. monitoring Aug 13, 2026, 05:43 AM UTC

   We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and 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 Aug 13, 2026, 07:44 AM UTC

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

Read the full incident report →

Started Aug 12, 2026, 10:55 PM UTC· resolved Aug 13, 2026, 05:36 AM UTC

1. investigating Aug 12, 2026, 10:55 PM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for Bell in Canada. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified Aug 12, 2026, 11:06 PM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for Bell 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.

3. identified Aug 13, 2026, 12:07 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for Bell 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.

4. identified Aug 13, 2026, 02:13 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for Bell 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.

5. monitoring Aug 13, 2026, 02:55 AM UTC

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

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

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

7. resolved Aug 13, 2026, 05:36 AM UTC

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

Read the full incident report →

Started Aug 12, 2026, 10:19 PM UTC· resolved Aug 12, 2026, 10:19 PM UTC

1. resolved Aug 12, 2026, 10:19 PM UTC

   Twilio experienced SMS delivery failures from a subset of toll free numbers to AT&T Network in the United States for 219 minutes between 5:45 and 9:24 Pacific Time on 08/09/2026. The issue has now been resolved.

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Started Aug 12, 2026, 04:10 PM UTC· resolved Aug 12, 2026, 08:24 PM UTC

1. investigating Aug 12, 2026, 04:10 PM UTC

   We are experiencing failures with Phone Number configuration. Users may experience increased latency and decreased availability when updating phone number configurations Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

2. investigating Aug 12, 2026, 05:05 PM UTC

   We continue to experience failures with Phone Number configuration. Users may experience increased latency and decreased availability when updating phone number configurations Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

3. identified Aug 12, 2026, 06:55 PM UTC

   The issue causing failures with Phone Number configuration has been identified. We are actively working with our Engineering Team to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

4. monitoring Aug 12, 2026, 07:41 PM UTC

   Phone Number configuration is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.

5. monitoring Aug 12, 2026, 08:11 PM UTC

   Phone Number configuration is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.

6. resolved Aug 12, 2026, 08:24 PM UTC

   The failures with Phone Number configuration has been resolved and is operating normally at this time.

Read the full incident report →

Started Aug 12, 2026, 04:08 PM UTC· resolved Aug 12, 2026, 06:51 PM UTC

1. investigating Aug 12, 2026, 04:08 PM UTC

   We are experiencing failures with Voice Caller ID verification. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

2. investigating Aug 12, 2026, 05:00 PM UTC

   We are continuing to experience failures with Voice Caller ID verification. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

3. resolved Aug 12, 2026, 06:51 PM UTC

   This incident will be resolved as the issue is related to the Phone Number Configuration Failures status page. Please follow this status post for further updates: https://status.twilio.com/incidents/mszff4pbzmjq

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Started Aug 12, 2026, 02:00 PM UTC· resolved Aug 12, 2026, 02:00 PM UTC

1. resolved Aug 12, 2026, 02:14 PM UTC

   Twilio Flex authentication was degraded for approximately 180 minutes (3 hours) between 11:27 AM and 2:27 PM Pacific Time on 08/11/2026. During this period of time, customers may have experienced failed or interrupted single sign-on (SSO) login attempts when authenticating into Flex. The issue has now been resolved.

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Started Aug 12, 2026, 01:38 PM UTC· resolved Aug 13, 2026, 12:26 AM UTC

1. investigating Aug 12, 2026, 01:38 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 Aug 12, 2026, 01:48 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 Aug 12, 2026, 02:48 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 Aug 12, 2026, 04:49 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 Aug 12, 2026, 08:49 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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. monitoring Aug 12, 2026, 10:22 PM UTC

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

7. resolved Aug 13, 2026, 12:26 AM UTC

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

Read the full incident report →

Started Aug 12, 2026, 12:44 AM UTC· resolved Aug 12, 2026, 08:00 AM UTC

1. investigating Aug 12, 2026, 12:44 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase to Three 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. investigating Aug 12, 2026, 01:46 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for Three in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

3. investigating Aug 12, 2026, 03:48 AM UTC

   Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for Three in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

4. monitoring Aug 12, 2026, 06:03 AM UTC

   We have observed a recovery in User Authentication Identity Gateway API failure increase for Three 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 Aug 12, 2026, 08:00 AM UTC

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

Read the full incident report →

Started Aug 11, 2026, 02:30 PM UTC· resolved Aug 11, 2026, 07:34 PM UTC

1. investigating Aug 11, 2026, 02:30 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to France. 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 Aug 11, 2026, 02:59 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to France. 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 Aug 11, 2026, 03:31 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to Lebara network subscribers in France. 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.

4. identified Aug 11, 2026, 04:31 PM UTC

   Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to Lebara network subscribers in France. 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.

5. monitoring Aug 11, 2026, 05:29 PM UTC

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

6. resolved Aug 11, 2026, 07:34 PM UTC

   The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to Lebara network subscribers in France is operating normally.

Read the full incident report →

Started Aug 11, 2026, 01:10 PM UTC· resolved Aug 11, 2026, 10:15 PM UTC

1. investigating Aug 11, 2026, 01:10 PM UTC

   Twilio customers may be experiencing voice call audio quality degradation from Twilio Phone Numbers to network subscribers in multiple countries in Europe. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. investigating Aug 11, 2026, 02:10 PM UTC

   Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in multiple countries in Europe. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

3. investigating Aug 11, 2026, 04:16 PM UTC

   Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in multiple countries in Europe. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

4. monitoring Aug 11, 2026, 08:12 PM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in multiple countries in Europe and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

5. resolved Aug 11, 2026, 10:15 PM UTC

   The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in affected countries in Europe are operating normally.

Read the full incident report →

Started Aug 11, 2026, 12:24 PM UTC· resolved Aug 11, 2026, 09:43 PM UTC

1. investigating Aug 11, 2026, 12:24 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Telefonica network subscribers in Germany. 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 Aug 11, 2026, 12:41 PM UTC

   Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Germany. 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 Aug 11, 2026, 01:43 PM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Germany. 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 Aug 11, 2026, 03:49 PM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to Telefonica network subscribers in Germany, and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

5. monitoring Aug 11, 2026, 04:13 PM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Germany, and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

6. resolved Aug 11, 2026, 09:43 PM UTC

   The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in Germany are operating normally.

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Started Aug 11, 2026, 06:26 AM UTC· resolved Aug 11, 2026, 04:51 PM UTC

1. identified Aug 11, 2026, 06:26 AM UTC

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

2. identified Aug 11, 2026, 07:26 AM UTC

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

3. identified Aug 11, 2026, 09:35 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Claro 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 4 hours or as soon as more information becomes available.

4. identified Aug 11, 2026, 01:36 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Claro 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 8 hours or as soon as more information becomes available.

5. monitoring Aug 11, 2026, 02:49 PM UTC

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

6. resolved Aug 11, 2026, 04:51 PM UTC

   The incident has been resolved and SMS delivery from Twilio to Claro network subscribers in the Dominican Republic is operating normally.

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Started Aug 10, 2026, 11:45 PM UTC· resolved Aug 11, 2026, 05:35 AM UTC

1. investigating Aug 10, 2026, 11:45 PM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers 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 Aug 10, 2026, 11:50 PM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from Twilio to AT&T network subscribers 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. identified Aug 11, 2026, 12:50 AM UTC

   Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers 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 2 hours or as soon as more information becomes available.

4. monitoring Aug 11, 2026, 02:38 AM UTC

   We have observed a recovery in MMS delivery receipts from a subset of Twilio Long Codes to AT&T 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.

5. monitoring Aug 11, 2026, 04:44 AM UTC

   We have observed a recovery in MMS delivery receipts from a subset of Twilio Long Codes to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

6. resolved Aug 11, 2026, 05:35 AM UTC

   The incident has been resolved and MMS delivery receipts from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.

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Started Aug 10, 2026, 06:45 PM UTC· resolved Aug 11, 2026, 12:00 AM UTC

1. investigating Aug 10, 2026, 06:45 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio Phone Numbers to National Telecom and True network subscribers in Thailand. 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 Aug 10, 2026, 06:55 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio Phone Numbers to National Telecom and True network subscribers in Thailand. 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 Aug 10, 2026, 07:55 PM UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio Phone Numbers to National Telecom and True network subscribers in Thailand. 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 Aug 10, 2026, 09:57 PM UTC

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

5. resolved Aug 11, 2026, 12:00 AM UTC

   The incident has been resolved and SMS delivery from Twilio Phone Numbers to National Telecom and True network subscribers in Thailand is operating normally.

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Started Aug 10, 2026, 06:32 PM UTC· resolved Aug 14, 2026, 04:21 PM UTC

1. investigating Aug 10, 2026, 06:32 PM UTC

   Our engineers are investigating an issue that began at 11:16 AM PDT where regional EU email customers are experiencing issues retrieving their IP addresses via API calls and the SendGrid UI. Please note that mail sending is not impacted. We will provide another update in 1 hour or as soon as more information becomes available.

2. investigating Aug 10, 2026, 06:37 PM UTC

   We are continuing to investigate this issue.

3. resolved Aug 14, 2026, 04:21 PM UTC

   Our engineers have monitored the fix and confirmed the issue with IP Retrieval Failing for EU Regional Customers has been resolved. All services are now operating normally at this time.

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