Twilio Outage History

Twilio's User Authentication Identity Gateway API experienced high latency for T-Mobile customers in the United States, affecting Verify Silent Network Auth and Lookup SIM Swap services. The incident lasted 4.2 hours, during which Twilio identified the root cause and worked on a resolution. The service was restored to normal operation and confirmed stable after a monitoring period.

Twilio experienced SMS delivery delays and failures to MTS network subscribers in Russia, affecting customers' ability to send messages to that specific carrier. The issue impacted SMS services in the Europe region for approximately 2.2 hours. The team identified the root cause and restored normal SMS delivery operations to MTS Russia subscribers.

Twilio experienced SMS delivery receipt delays for messages sent to Globe network subscribers in the Philippines, while actual message delivery continued to function normally. The issue affected SMS services in the APAC region for 2.6 hours. The incident was resolved after monitoring confirmed service stability was restored.

Twilio's Identity Match Lookup V2 API package experienced an increased error rate affecting some customers for 1.7 hours. Engineers identified the issue, applied a fix, and monitored improvements until the error rates returned to normal levels. All other Lookup API packages remained unaffected during the incident.

Twilio experienced SMS delivery delays and failures affecting messages sent from a subset of alphanumeric sender IDs and long codes to Jazz network subscribers in Pakistan. The issue impacted Twilio's SMS service in the APAC region for 10.6 hours. The incident was resolved and SMS delivery to Jazz Pakistan subscribers returned to normal operation.

Twilio's Programmable Video service experienced an increased rate of 11200 warnings that affected the Network Traversal Service for 2.9 hours. Engineers identified the root cause and deployed a fix to resolve the warning issue. The incident was fully resolved after a monitoring period to ensure stability.

Twilio experienced SMS delivery delays from Twilio phone numbers to Orange network subscribers in Cameroon for 20.6 hours. The issue affected SMS services in the Middle East & Africa region, causing delayed message delivery for customers sending to this specific carrier network. Twilio identified the root cause and resolved the incident, with SMS delivery returning to normal operations.

Twilio experienced a service interruption affecting a percentage of Messaging Services where messages failed to honor the {force-opt-in} parameter. The issue impacted Twilio's Programmable Messaging functionality for 32 minutes. The service interruption was resolved and messaging services returned to normal operation.

Twilio experienced SMS delivery failures to Telefonica network subscribers in Peru for 24.2 hours, preventing customers from successfully sending text messages to users on that network. The team identified the root cause and implemented a fix, with service recovery observed and monitored over several hours. SMS delivery to Telefonica Peru subscribers was fully restored and operating normally by the end of the incident.

Twilio experienced SMS delivery delays to Etisalat network subscribers in Afghanistan for 16.5 hours. The issue affected Twilio customers sending SMS messages to recipients on the Etisalat network in that region. Service was restored to normal operation after monitoring confirmed recovery.