Twilio Outage History

Twilio's monitoring systems detected a potential issue that triggered an automated alert, prompting engineers to investigate for 2.1 hours. After a full investigation, engineers determined there was no noticeable customer impact and all systems remained operational. The incident was resolved with confirmation that services were functioning normally throughout the investigation period.

Twilio experienced SMS delivery delays and failures for messages sent from German network subscribers to Twilio phone numbers, affecting SMS services in Europe for 3.1 hours. The incident impacted customers' ability to receive text messages from users in Germany. The issue was resolved and SMS delivery returned to normal operation.

Twilio experienced SMS delivery failures affecting multiple networks across North America, Latin America, APAC, Europe, and Middle East & Africa for 11.7 hours. The incident impacted all SMS services including long codes, short codes, and toll-free numbers, preventing customers from successfully delivering text messages to recipients in multiple countries. Twilio identified the root cause and gradually restored service, with full resolution confirmed after monitoring the recovery.

Twilio experienced high latency issues with video room sessions that affected Group Rooms, Peer-to-Peer Rooms, Recordings, Go Rooms, and Compositions for 2.6 hours. Customers encountered delays when connecting to video rooms during this period. The service was fully restored after monitoring confirmed recovery from the latency problems.

Twilio experienced SMS delivery failures from New Zealand network subscribers to Twilio New Zealand phone numbers for 2.9 hours. The issue affected SMS services in the APAC region, preventing messages from being delivered to Twilio phone numbers. The incident was resolved and SMS delivery returned to normal operation.

Twilio experienced an issue where customers were unable to see Catalog entries on the index page within Segment documentation. The problem affected the Documentation component and prevented users from accessing catalog information through the documentation interface. The issue was resolved after 2 hours of investigation and monitoring by the engineering team.

Twilio's User Authentication Identity Gateway API experienced increased failures in the United Kingdom for 17.7 hours, affecting Lookup SIM Swap, Legacy Identity MatchAndAttributes, and Lookup Identity Match services. The team identified the root cause and implemented a fix, with service recovery observed before full resolution was confirmed.

Twilio experienced SMS delivery delays from a subset of short codes to Verizon network subscribers in the United States for 13.7 hours. The incident affected SMS Short Code services in North America, causing delayed message delivery to Verizon customers. The issue was identified and resolved, with SMS delivery returning to normal operations.

Twilio experienced SMS delivery delays from their phone numbers to Sky UK network subscribers in the United Kingdom for 7.1 hours. The issue affected SMS services in the Europe region, preventing or delaying message delivery to Sky mobile customers. Twilio identified the root cause and restored service, with recovery observed and monitored for stability before full resolution.

Twilio experienced SMS delivery delays from their phone numbers to MTS network subscribers in Kazakhstan, affecting the SMS service in the APAC region. The incident lasted 3.1 hours, during which customers experienced delayed message delivery to this specific carrier network. The issue was identified, resolved, and SMS delivery to MTS Kazakhstan returned to normal operation.