Messaging Event Delays for Comms API

Incident Report for Twilio

Resolved

The customer experience for impact is that Bulk Messaging API callers would receive an incorrect/improper 400 error response for Send Messages requests when supplying the address of Senders that were registered during the impact window.

We have resolved this incident.

Posted Oct 02, 2026 - 10:46 PDT

Investigating

We are investigating an issue with Messaging event processing for Comms API. Customers may experience delays in event updates for RCS, WhatsApp Business API, and Apple Messages for Business. We will provide another update in 15 minutes or as soon as more information becomes available.

Posted Oct 02, 2026 - 10:21 PDT

This incident affected: PROGRAMMABLE MESSAGING (WhatsApp Messaging).