Temporary Increase in 4xx Errors When Sending Messages

Incident Report for Twilio

Resolved

Between 4:03PM PST and 4:09PM PST, customers may have experienced 4xx errors when attempting to send messages from the Messaging API. This issue has been resolved.
Posted Mar 03, 2026 - 16:37 PST
This incident affected: PROGRAMMABLE MESSAGING (Programmable Messaging API).