Twilio Outage History

Twilio's Flex Insights service experienced data load errors for 5.1 hours due to a vendor-side datacenter outage affecting the Gooddata integration. Customers encountered delayed data and errors when loading historical reports, with some accounts remaining unaffected while others experienced stale data. The service was restored to normal functionality after the underlying datacenter issue was resolved.

Twilio customers experienced voice call audio quality degradation between Twilio phone numbers and multiple UK network subscribers for 6.1 hours. The issue initially affected calls to Hutchison H3G network subscribers before expanding to multiple networks across the United Kingdom. The incident was resolved after the team identified the root cause and implemented a fix, with voice calls returning to normal operation.

Twilio's Phone Numbers API experienced elevated latency and timeouts for 1.3 hours, preventing customers from successfully searching for phone numbers via the API. The engineering team investigated and resolved the issue, with searches returning to normal operation and all systems becoming fully operational.

Twilio's Help Center experienced ticket creation errors for 1.3 hours, specifically preventing support tickets from being created when users selected priority 4. Users could work around the issue by selecting priority 1, 2, or 3 instead. Engineers deployed a fix and restored normal ticket creation functionality across all priority levels.

Twilio experienced SMS delivery delays and failures between a subset of Twilio Short Codes and Telcel network subscribers in Mexico for 7.4 hours. The incident affected SMS services in the Latin America region, preventing reliable message delivery to Telcel customers. Twilio identified the root cause and restored normal SMS delivery operations between their short codes and the Telcel network.

Twilio experienced SMS delivery delays to Orange network subscribers in Cameroon for 38.1 hours. The issue affected Twilio customers sending SMS messages to Orange Cameroon users, causing delayed message delivery. The incident was resolved after Twilio identified the root cause and implemented a fix, with service returning to normal operation.

Twilio experienced an issue where new accounts were incorrectly flagged as legacy WhatsApp accounts, affecting the Messaging Channels component. The incident impacted a small percentage of customers over a 24-hour period. Engineers identified the root cause and resolved the issue, with affected account types being remediated.

Twilio experienced voice call failures from network subscribers in Sweden to Twilio Sweden phone numbers for 11.3 hours due to a carrier partner issue. The incident affected Twilio's Voice service in the Europe region, preventing customers from receiving calls from Swedish network subscribers to their Twilio phone numbers. The issue was resolved after working with the carrier partner, and voice calls returned to normal operation.

Twilio experienced SMS delivery delays to Telefonica network subscribers in Costa Rica for 16.5 hours. The issue affected SMS services in the Latin America region, causing delayed message delivery for customers sending to that specific carrier network. The service was restored to normal operation after monitoring confirmed recovery.

Twilio experienced SMS delivery delays to Orange network subscribers in Cameroon for 12.3 hours. The issue affected customers sending SMS messages from Twilio phone numbers to recipients on the Orange Cameroon network. The incident was resolved after Twilio's team identified the root cause and implemented a fix, with service returning to normal operations.