Twilio Outage History

Twilio experienced SMS delivery delays to Chunghwa and FarEasTone network subscribers in Taiwan for 6.3 hours. The issue affected SMS services in the APAC region, causing delayed message delivery for customers sending to these specific Taiwanese carriers. Twilio identified the root cause and resolved the incident, with SMS delivery returning to normal operations.

Twilio's Verify Silent Network Auth service experienced missing redirects specifically for XL Axiata customers in Indonesia, lasting 39.4 hours. The issue affected user authentication processes for this Indonesian mobile carrier. Twilio identified the root cause and successfully resolved the problem, with service returning to normal operation.

Twilio experienced increased API failures in their User Authentication Identity Gateway services specifically affecting customers in Canada for 4.4 hours. The incident impacted Legacy Identity MatchAndAttributes, Lookup Identity Match, and Lookup Line Type Intelligence Legacy API components. Twilio's team identified the root cause and successfully resolved the issue, with services returning to normal operation.

Twilio experienced a 31-hour incident where SMS delivery receipts from Twilio phone numbers to Algar Telecom network subscribers in Brazil were significantly delayed, though actual message delivery continued to succeed. The issue affected Twilio's SMS service in Latin America, specifically impacting customers' ability to receive timely confirmation that their messages were delivered to Algar Telecom recipients. The incident was resolved after the team identified the root cause and implemented a fix, with service returning to normal operations.

Twilio experienced SMS delivery delays lasting 4.4 hours affecting messages sent from a subset of Twilio phone numbers to Movistar network subscribers in Mexico. The team identified the root cause and implemented a fix, with service recovery observed before full resolution. SMS delivery to Movistar Mexico returned to normal operations.

Twilio experienced voice call failures affecting network subscribers attempting to call a subset of Twilio Brazil phone numbers, lasting 31.5 hours. The incident impacted Twilio's Voice service in the Latin America region, preventing successful inbound calls to affected Brazilian numbers. Service recovery was observed and monitored before the incident was fully resolved with normal call operations restored.

Twilio experienced an issue where customers were unable to complete the purchase flow for national phone numbers outside of the US through the 1Console interface. The incident affected the phone numbers component and prevented users from acquiring international numbers for approximately 7 days. Engineers deployed a fix and the purchasing process returned to normal operation.

Twilio experienced SMS delivery delays and failures affecting messages sent from US network subscribers to a subset of Twilio US phone numbers, impacting SMS toll-free, long code, and short code services in North America. The issue lasted approximately 1.1 hours before being identified and resolved. Service returned to normal operation with SMS delivery functioning properly.

Twilio experienced SMS delivery delays from a subset of long codes to multiple mobile networks in Italy, affecting customers sending messages to Italian subscribers. The issue impacted SMS services in the Europe region and lasted approximately 6 hours. The incident was resolved and SMS delivery returned to normal operation.

Twilio experienced SMS delivery delays and failures from a subset of phone numbers to Rakuten network subscribers in Japan for 5.1 hours. The issue affected Twilio's SMS service in the APAC region, preventing reliable message delivery to users on the Rakuten mobile network. Twilio identified the root cause and restored normal SMS delivery operations.