Twilio Outage History

Twilio experienced SMS delivery failures affecting a subset of Israel phone numbers, where messages from network subscribers to Twilio customers were not being delivered successfully. The incident impacted SMS services in the Middle East & Africa region for 4.8 hours. The issue was resolved after the team observed successful SMS delivery and confirmed full service recovery.

Twilio experienced SMS delivery delays for messages sent to AT&T/Cingular Wireless customers in the United States through a subset of long codes. The issue affected SMS Long Code services in North America and lasted 56 minutes. Engineers worked with carrier partners to resolve the delivery delays, and normal SMS delivery was restored.

Twilio experienced SMS delivery receipt delays for messages sent to Globe Telecom network subscribers in the Philippines, lasting 5.6 hours. While SMS messages were still being delivered successfully, customers experienced delays in receiving delivery confirmation receipts. The issue was identified, monitored for recovery, and fully resolved with normal delivery receipt operations restored.

Twilio experienced SMS delivery delays to Orange network subscribers in Cameroon for 3.1 hours, affecting customers sending messages to that specific carrier. The service team investigated the issue, observed recovery, and confirmed full resolution with normal SMS delivery operations restored.

Twilio experienced SMS delivery delays and failures when sending messages to Ufone network subscribers in Pakistan for 12 hours. The incident affected Twilio's SMS service in the APAC region, preventing customers from successfully delivering text messages to Ufone users. The issue was identified and resolved, with SMS delivery to Ufone Pakistan returning to normal operation.

Twilio experienced SMS delivery delays lasting 3.3 hours when sending messages from a subset of phone numbers to ETMTN network subscribers in Ethiopia. The issue affected SMS services in the Middle East & Africa region, causing delayed message delivery to users on the Ethiopian mobile network. The service was fully restored after the team observed recovery and confirmed normal SMS delivery operations.

Twilio experienced SMS delivery delays and failures when sending messages to Claro network subscribers in Brazil, affecting customers using SMS services in Latin America for 17.4 hours. The service began recovering and was monitored for stability before being fully resolved. The incident impacted SMS delivery reliability for users trying to reach Claro mobile subscribers in the Brazilian market.

Twilio's Intelligent Alerts service experienced an outage that prevented subscribed customers from receiving alert notifications for approximately 1 hour. Engineers restored the data in their system and gradually recovered the service. The issue was fully resolved and Intelligent Alerts returned to normal functionality.

Twilio experienced SMS delivery delays and failures when sending messages to Orange Network in Egypt for 23.8 hours. The incident affected SMS services in the Middle East & Africa region. Engineers worked with carrier partners to resolve the issue, and normal SMS delivery was restored.

Twilio experienced SMS delivery delays from a subset of short codes to Liberty Mobile network subscribers in Puerto Rico for 17.7 hours. The issue affected SMS Short Code services in North America, causing delayed message delivery to users on the Liberty Mobile network. Service recovery was observed and monitored over several hours before being fully resolved with normal SMS delivery restored.