Twilio Outage History

Twilio experienced elevated latency issues when connecting to Dialogflow CX agents via the VirtualAgent service for voice interactions, lasting approximately 4.9 hours. The incident affected the Dialogflow component, causing delays in voice conversations with virtual agents. Engineers resolved the latency issues and confirmed full service recovery.

Twilio experienced SMS delivery delays lasting 16.6 hours from a subset of their phone numbers to TCell network subscribers in Tajikistan. The issue affected Twilio's SMS service in the APAC region, preventing timely message delivery to users on the TCell network. The team identified the root cause and monitored recovery before confirming full resolution of normal SMS delivery operations.

Twilio experienced MMS delivery delays from a subset of their short codes to T-Mobile subscribers in the United States for 6 hours. The issue affected Twilio customers' ability to send MMS messages through short codes to T-Mobile network users, causing delivery delays. The incident was resolved and MMS delivery returned to normal operation.

Twilio experienced SMS delivery delays for 18.9 hours when sending messages from a subset of long codes and toll-free numbers to Viaero network subscribers in the United States. While messages could still be delivered successfully, customers experienced significant delays in receiving delivery receipts. The issue was identified and resolved, with SMS delivery to Viaero returning to normal operation.

Twilio experienced SMS delivery delays and failures between a subset of long codes and multiple networks in France for 3 hours. The issue affected SMS services in the Europe region, preventing reliable message delivery to French mobile networks. The incident was resolved after monitoring confirmed service stability was restored.

Twilio experienced SMS delivery delays from a subset of long codes and toll-free numbers to Viaero network subscribers in the United States for 4.7 hours. The issue affected SMS services across North America including both toll-free and long code messaging. Twilio identified the root cause and restored normal SMS delivery operations after monitoring service stability.

Twilio customers experienced SMS delivery delays when sending messages from Twilio phone numbers to Airtel network subscribers in Kenya for 3.4 hours. The issue affected SMS services in the Middle East & Africa region. Twilio's team identified the root cause and restored normal SMS delivery operations to Airtel Kenya subscribers.

Twilio experienced SMS delivery delays lasting 5.1 hours affecting messages sent from a subset of short codes and long codes to Liberty Mobile network subscribers in Puerto Rico. The issue impacted SMS services in the Latin America region, causing delayed message delivery for customers trying to reach Liberty Puerto Rico mobile users. Twilio identified the root cause and observed service recovery, with the team monitoring for stability.

Twilio experienced SMS delivery delays and failures from a subset of phone numbers to China Mobile network subscribers in Hong Kong for 6.4 hours. The issue affected SMS services in the APAC region, preventing reliable message delivery to this specific carrier network. Twilio identified the root cause and resolved the incident, with SMS delivery returning to normal operations.

Twilio experienced SMS delivery delays from Twilio phone numbers to Entel network subscribers in Peru for 5.1 hours. The incident affected SMS services in the Latin America region, preventing timely message delivery to users on the Entel network. The issue was identified and resolved, with SMS delivery returning to normal operations.