Twilio Outage History

Twilio experienced MMS delivery delays from a subset of short codes to Verizon network subscribers in the United States for 4.4 hours. The issue affected MMS Short Code services in North America, causing delayed message delivery to Verizon customers. The incident was resolved after monitoring showed recovery in MMS delivery performance.

Twilio experienced SMS delivery delays from a subset of long codes to multiple mobile networks in South Africa, initially affecting Telekom subscribers before expanding to other networks. The incident lasted 5.2 hours, impacting SMS services in the Middle East & Africa region. Twilio identified the root cause and restored normal SMS delivery operations after monitoring service stability.

Twilio experienced SMS delivery delays and failures when sending messages to Lycamobile SARL network subscribers in France, affecting customers using Twilio's SMS service in the Europe region. The incident lasted 5.2 hours, during which SMS messages either failed to deliver or experienced significant delays to this specific carrier network. The issue was resolved and SMS delivery to Lycamobile SARL subscribers returned to normal operation.

Twilio experienced SMS delivery delays to Tigo network subscribers in Guatemala for 5.6 hours. The issue affected Twilio customers sending SMS messages to recipients on the Tigo network in Guatemala, causing delayed message delivery. The team identified the root cause and implemented a fix, with service recovery observed before full resolution was confirmed.

Twilio experienced SMS delivery delays to multiple network subscribers in South Africa for 11.4 hours. The issue affected Twilio customers sending SMS messages to recipients on various South African mobile networks. The incident was resolved after the team identified the root cause and implemented a fix, with SMS delivery returning to normal operations.

Twilio experienced increased failures in User Authentication Identity Silent Network Auth (SNA) specifically for Smartfren network users in Indonesia, affecting the Verify Silent Network Auth service. The team identified the root cause and implemented a fix, with service recovery observed after approximately 2 hours. The incident was fully resolved after 2.3 hours with normal operations restored.

Twilio experienced SMS delivery delays and failures when sending messages from Twilio phone numbers to subscribers on the Elisa and Telia networks in Finland. The issue affected SMS services in Europe for 3.3 hours, preventing reliable message delivery to users on these specific Finnish mobile networks. Twilio identified the root cause and restored normal SMS delivery operations to both affected carriers.

Twilio's User Authentication Identity Gateway API experienced increased failures and high latency specifically for Verizon connections in the United States, affecting Lookup SIM Swap and Legacy Identity MatchAndAttributes services. The incident lasted 7.9 hours, during which customers experienced degraded API performance when interacting with Verizon's network. The issue was resolved after multiple recovery attempts and monitoring periods, with service returning to normal operation.

Twilio experienced SMS delivery delays and failures affecting customers sending messages to subscribers on multiple networks in Malaysia for 12.1 hours. The SMS service in the APAC region was impacted, preventing reliable message delivery to Malaysian mobile networks. The team identified the root cause and implemented a fix, with service recovery observed and monitored until full resolution was confirmed.

Twilio customers experienced SMS delivery failures when sending messages from Twilio phone numbers to Viva network subscribers in Bolivia for 16.6 hours. The incident affected SMS services in the Latin America region, preventing message delivery to users on the Viva Bolivia network. Twilio identified the root cause and restored normal SMS delivery functionality after monitoring service stability.