Incident History

SMS Delivery Failures from AT&T Network in the US to a Subset of Twilio's Numbers

We continue to investigate the issue causing SMS delivery failures when sending messages from the AT&T Network in the US to a subset of Twilio's numbers. Because we expect this issue may take some time to resolve, we have opted to reach out to impacted customers directly about this issue while we investigate and we'll continue to provide updates through that channel instead of our status page. We will mark this incident resolved on the status page but will send any further updates through the direct communications channel.

1743176728 - 1743207805 Resolved

SMS Delivery Delays and Failures to Telma in Madagascar

We are no longer experiencing SMS delivery delays when sending messages to Telma in Madagascar. This incident has been resolved.

1743165307 - 1743243861 Resolved

SMS Delivery Delays to Meteor Network in Ireland

We are no longer experiencing SMS delivery delays when sending messages to Meteor Network in Ireland. This incident has been resolved.

1743165130 - 1743183423 Resolved

SMS Delivery Delays to Multiple Networks in Myanmar

We are no longer experiencing SMS delivery delays when sending messages to Myanmar. This incident has been resolved.

1743157580 - 1743268271 Resolved

Email Channel of Twilio Verify Affected

Twilio Verify was degraded for 15 minutes between 15:41 and 15:56 Pacific Time on 03/27/2025. During this period, customers may have experienced increased latencies and 5xx errors when creating verifications with the Email channel of Twilio Verify. The issue has now been resolved.

1743116437 - 1743118803 Resolved

Calls quality issue to a subset of Twilio Australia Toll free numbers

We experienced calls quality issue to a subset of Twilio Australia Toll free numbers starting at 5:00 PM PST March 26th and ending at 6:00 AM PST March 27th. Users may have experienced call quality issues during this time. The issue has now been resolved.

1743093442 - 1743093442 Resolved

SMS Delivery Report Delays to Multiple networks in United States of America via a subset of Long codes

We are experiencing SMS delivery report delays to Multiple networks in United States of America via a subset of Long codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

1743081333 Ongoing

SMS Delivery Report Delays to Subset of US Small Network

We are no longer seeing SMS delivery report delays to subset of US small networks. This incident has been resolved.

1743075393 - 1743134602 Resolved

Account Security API Error to Verizon US

We are no longer experiencing API errors with Account Security towards Verizon Network in US. This incident has been resolved.

1743062806 - 1743070809 Resolved

SMS Delivery Delays to BSNL Network in India

We are no longer observing SMS delivery delays to BSNL Network in India. This incident has been confirmed as resolved.

1743048013 - 1743084863 Resolved
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