Twilio SMS delivery failures to multiple networks in Slovakia for a subset of alphanumeric sender Id and long codes was degraded for 60 minutes between 11:50 AM and 12:50 PM Pacific Time on 10/02/2024. During this period of time customers may have experienced SMS delivery failures. The issue has now been resolved.
We have fully investigated the issue with 5XX errors and latency on Twilio Messaging API, and it was determined that the impact was limited to a small set of customers. All systems are operational.