Incident History

Rest API Latency for Products other than Voice, Messaging, Flex, and Taskrouter

The issue causing delays with REST API calls related to products other than Voice, Messaging, Flex, and TaskRouter has been resolved, and the service is functioning normally at this time.

1754427757 - 1754432883 Resolved

SMS Delivery Failures to Multiple Countries in Middle East

We are no longer experiencing SMS delivery failures to multiple countries in the Middle East. This incident has been resolved.

1754406665 - 1754431808 Resolved

Call quality issues From a subset of Twilio United Kingdom Phone numbers

The issue causing call quality symptoms from a subset of Twilio United Kingdom Phone numbers has been resolved, and the service is functioning normally at this time.

1754395441 - 1754436436 Resolved

SMS Delivery Delays to China Unicom in China.

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

1754380611 - 1754440477 Resolved

SMS Delivery Delays to AT&T Mexico.

We are no longer experiencing SMS delivery delays when sending messages to AT&T Mexico. This incident has been resolved.

1754378740 - 1754395041 Resolved

SMS Delivery Delays to Claro in Peru via a Subset of Shortcodes

We have fully investigated the SMS Delivery Delays to Claro in Peru via a Subset of Shortcodes issue, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.

1754338080 - 1754341552 Resolved

Silent Calls / Missing RTP Streams From and To a Subset of Twilio United Kingdom Phone Numbers

Twilio Programmable Voice experienced Silent Calls / missing RTP streams From and To a subset of Twilio United Kingdom Phone Numbers for 143 minutes between 3:30 AM and 5:53 AM PDT. This incident has now been resolved.

1754337232 - 1754337232 Resolved

Programmable Messaging API HTTP 5xx Errors

The Twilio Programmable Messaging API was partially degraded for 1 minute on August 4th, 2025 between 11:34AM and 11:35AM PST. During this period of time, customers sending messages may have received elevated volumes of 5xx's in API responses. This issue has now been resolved.

1754336519 - 1754336519 Resolved

SMS Delivery Failures To AmericaNet Network In Brazil

We are no longer experiencing SMS delivery failures to AmericaNet Network In Brazil. This incident is resolved.

1754329291 - 1754351412 Resolved

SMS Delivery Failures to FarEasTone in Taiwan, Province of China

We are no longer experiencing SMS delivery failures to FarEasTone in Taiwan, Province of China. This incident is resolved.

1754327764 - 1754345714 Resolved
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