Incident History

5xx's in the Twilio Programmable Messaging API Responses

The Twilio Programmable Messaging API was partially degraded for 2 minutes on 05/22/2025 between 14:00:40 PST and 14:01:30 PST. During this period of time, customers sending a message may have received elevated volumes of 5xx's in API responses. This issue has now been resolved.

1747949810 - 1747951694 Resolved

500 Errors for Twilio Phone Numbers Provisioning

Twilio phone numbers provisioning was degraded for 23 days, 8 hours, and 3 minutes between 2025-04-28 at 23:40:24 PDT and 2025-05-22 at 07:43:38 PDT. During this period of time, 18 Phone Numbers in our inventory were mistakenly made available for provisioning even if they couldn't be provisioned and for this reason some customers have experienced an HTTP 500 Server error. This incident has been resolved.

1747947850 - 1747950891 Resolved

Call Failures From Subscribers To Denmark Twilio Phone Numbers

The issue affecting inbound calls to Denmark Twilio Phone Numbers has been resolved, and the service is functioning normally at this time.

1747938636 - 1747950510 Resolved

SMS Delivery Delays to Algar Telecom (CTBC) in Brazil

We are no longer experiencing SMS Delivery Delays to Algar Telecom (CTBC) in Brazil. This incident has been resolved.

1747884048 - 1747933497 Resolved

On Call Engineers are Investigating an issue

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

1747859105 - 1747859914 Resolved

SMS Delivery Delays to GrameenPhone Network in Bangladesh

We are no longer experiencing SMS Delivery Delays to GrameenPhone Network in Bangladesh. This incident has been resolved.

1747858997 - 1747879122 Resolved

SMS Delivery Delays to Vodacom in South Africa via Subset of Longcodes

We are no longer observing recovery with delays in receiving message delivery reports when sending to Vodacom in South Africa via Subset of Longcodes. This incident has been resolved.

1747847962 - 1747865469 Resolved

SMS Delivery Delays to Appalachian Wireless in United States of America

We are no longer experiencing SMS delivery delays when sending messages to Appalachian Wireless in United States of America. This incident has been resolved.

1747809410 - 1747826129 Resolved

SMS Delivery Delays to C-Spire Network in United States

We are no longer experiencing SMS delivery delays when sending messages to C-Spire in the United States. This incident has been resolved.

1747777555 - 1747790527 Resolved

Authy API was down for 10 minutes

Authy API was degraded for 10 minutes between 13:33 and 13:43 Pacific Time on 05/20/2025. During this period, customers may have experienced the Authy API being unavailable. The issue has now been resolved.

1747774900 - 1747776330 Resolved
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