Twilio Outage History

Twilio experienced a 45-minute outage affecting the Messaging Insights feature in their Console, preventing customers from viewing messaging analytics and reports. The engineering team identified the root cause and implemented a fix to restore normal functionality. The service was fully resolved and returned to normal operations after a brief monitoring period.

Twilio experienced SMS delivery delays from a subset of long codes to multiple network subscribers in Italy, affecting the SMS service in Europe for 3.6 hours. The team identified the root cause and implemented a fix, with service recovery observed before full resolution. The incident was resolved and SMS delivery returned to normal operations.

Twilio experienced SMS delivery delays to Algar Telecom network subscribers in Brazil for 4.2 hours, affecting customers' ability to send text messages to that specific carrier network. The team identified the root cause and worked to resolve the connectivity issue between Twilio's SMS service and the Algar Telecom network. Service was restored to normal operations after monitoring confirmed stable delivery performance.

Twilio experienced SMS delivery delays for Pre-Registered Sender ID customers sending messages to T-Mobile network subscribers in the Czech Republic. The incident affected SMS services in Europe for 5.1 hours before Twilio identified the cause and implemented a resolution. Service recovery was observed and monitored for stability before the incident was fully resolved.

Twilio experienced voice call failures affecting calls from network subscribers to a subset of Brazil phone numbers, impacting Voice services in Latin America for 2.1 hours. The team identified the root cause and implemented a fix, with service recovery observed before full resolution. The incident was resolved and voice calls to the affected Brazil phone numbers returned to normal operation.

Twilio's User Authentication Identity Gateway API experienced high latency specifically for T-Mobile customers in the United States, affecting the Lookup SIM Swap component. The team identified the root cause and implemented a fix, with service recovery observed after approximately 2 hours. The incident was later consolidated with another related incident for continued monitoring.

Twilio's User Authentication Identity Gateway API experienced high latency specifically for T-Mobile users in the United States, affecting the Lookup SIM Swap component. The latency issues impacted customers trying to use authentication services with T-Mobile numbers. The incident lasted 3 hours and was resolved after the team identified the root cause and implemented a fix.

Twilio's monitoring systems detected an issue affecting the Flex Application Platform that impacted a small subset of customers for 34 minutes. Engineers investigated the problem and determined the impact was limited in scope. The issue was resolved with affected customers contacted individually to address any concerns.

Twilio experienced increased failures in their User Authentication Identity Gateway API specifically affecting T-Mobile users in the United States, impacting the Lookup SIM Swap service. The incident lasted 4.3 hours before service recovery was observed and normal operations were restored.

Twilio experienced increased failures in User Authentication Identity Silent Network Auth (SNA) specifically for Telkomsel customers in Indonesia, affecting the Verify Silent Network Auth component. The incident lasted 5.7 hours, during which customers using Twilio's authentication services with Telkomsel likely experienced higher failure rates for silent network authentication attempts. The issue was identified, resolved, and service returned to normal operation.