Twilio Outage History

Twilio experienced SMS delivery delays to MTS network subscribers in Uzbekistan for 10.7 hours, affecting customers sending messages to that specific carrier. The incident impacted Twilio's SMS service in the APAC region, preventing timely message delivery to MTS Uzbekistan recipients. The service gradually recovered with monitoring over several hours before being fully resolved.

Twilio experienced SMS delivery delays and failures to Orange/Sonatel network subscribers in Senegal for approximately 32 hours. The incident affected Twilio's SMS service in the Middle East & Africa region, preventing customers from successfully delivering messages to users on the Orange/Sonatel network. The issue was resolved and SMS delivery to Orange/Sonatel subscribers in Senegal returned to normal operation.

Twilio experienced SMS delivery delays when sending messages to TeleTalk network subscribers in Bangladesh for 4.1 hours. The issue affected SMS services in the APAC region and was resolved through collaboration with carrier partners. Service was restored to normal operation after monitoring confirmed full recovery.

Twilio experienced SMS delivery delays and failures to Vietnamobile network subscribers in Vietnam for 14.6 hours. The issue affected Twilio customers' ability to send SMS messages to users on the Vietnamobile network in Vietnam. Service recovery was observed and monitored before the incident was fully resolved.

Twilio experienced SMS delivery receipt delays from a subset of short codes to multiple US networks for 6.1 hours, though message delivery continued to succeed. The issue affected SMS Short Code services in North America, causing customers to experience delayed confirmation receipts for their sent messages. Twilio observed recovery and fully resolved the delivery receipt delays.

Twilio experienced SMS delivery delays to Orange network subscribers in Cameroon for 8.1 hours. The issue affected Twilio customers sending SMS messages to recipients on the Orange Cameroon network, causing delayed message delivery. The incident was resolved and SMS delivery returned to normal operation.

Twilio experienced SMS delivery delays from a subset of short codes to Algar network subscribers in Brazil for 6.8 hours. The issue affected SMS services in Latin America, causing delayed message delivery to users on the Algar network. Twilio identified the root cause and fully resolved the delivery delays.

Twilio experienced a 2.4-hour incident where customers were not receiving "Auto Recharge Successful" emails after successful account recharges, affecting the billing system's notification functionality. Engineers identified the root cause and deployed a fix to restore normal email delivery. The issue was fully resolved with continued monitoring to ensure system stability.

Twilio experienced intermittent TCP connectivity issues affecting inbound and outbound SMPP connections in the IE1 region for 3.2 hours. The issue impacted a subset of customers using SMPP for messaging traffic through that specific gateway. Engineers resolved the connectivity problems and restored normal service operations.

Twilio experienced SMS delivery delays from a subset of short codes to Liberty Mobile network subscribers in Puerto Rico for 5 hours. The issue affected SMS services in the Latin America region, causing delayed message delivery to users on the Liberty Mobile network. The incident was resolved and SMS delivery returned to normal operation.