Twilio incident

Messaging Event Delays for Comms API

Resolved after 25 minutes, affecting Other and WhatsApp Messaging, on October 2, 2026.

resolved Oct 02, 2026, 05:46 PM UTC

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.

Started
Oct 02, 2026, 05:21 PM UTC
Resolved
Oct 02, 2026, 05:46 PM UTC
Duration
25m
Detected by Pingoru
Oct 02, 2026, 05:21 PM UTC

Affected components

OtherWhatsApp Messaging

Update timeline

  1. investigating Oct 02, 2026, 05:21 PM UTC

    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.

  2. resolved Oct 02, 2026, 05:46 PM UTC

    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.

Your product runs on more than Twilio

Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.

Add your stack →