Twilio has resolved an incident affecting SMS delivery receipts to Tinkoff Mobile network subscribers in Russia. The issue has been classified as minor impact. While message delivery continued to succeed during the disruption, customers experienced delays in receiving delivery receipts confirming those messages reached their destination.
Twilio is a cloud communications platform that enables businesses to send and receive SMS messages, voice calls, and other communications at scale through APIs.
Twilio's team began investigating the issue and identified the root cause while working toward a fix. The company monitored service recovery closely before declaring the incident resolved. SMS delivery receipts from Twilio to Tinkoff Mobile subscribers are now operating normally.
The incident has been fully resolved.