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Twilio · Apps and SaaSOct 2, 2026, 17:21 UTC yesterday

Messaging Event Delays for Comms API

MinorNot disclosedUpdated 11h ago
Oct 2, 17:21 UTCOct 2, 17:46 UTC
Duration
25m
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
555 incidents
Affected
WhatsApp MessagingPROGRAMMABLE MESSAGING - WhatsApp MessagingTWILIO PLATFORM - Other
Status page

Final update

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.

Timeline

  1. Resolved · Oct 2, 17:46 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.
  2. Investigating · Oct 2, 17:21 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.

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