Bandwidth incident

Messaging API Incident

Major Resolved View vendor source →

Bandwidth experienced a major incident on May 14, 2026 affecting MMS Messaging (MM4) and REST APIs - HTTP MMS Messaging and 1 more component, lasting 1h 29m. The incident has been resolved; the full update timeline is below.

Started
May 14, 2026, 03:06 AM UTC
Resolved
May 14, 2026, 04:36 AM UTC
Duration
1h 29m
Detected by Pingoru
May 14, 2026, 03:06 AM UTC

Affected components

MMS Messaging (MM4)REST APIs - HTTP MMS MessagingToll Free MMS - Outbound

Update timeline

  1. investigating May 14, 2026, 03:06 AM UTC

    Bandwidth teams are investigating an incident impacting outbound messaging API requests where 400 errors are being returned. Specifically when media file is invalid or set to “null”. Teams are working to restore expected behavior.

  2. identified May 14, 2026, 03:17 AM UTC

    The source of the incident has been identified and work is underway to restore expected API behavior.

  3. monitoring May 14, 2026, 03:53 AM UTC

    Teams are observing expected API behavior and are monitoring for stability.

  4. resolved May 14, 2026, 04:36 AM UTC

    This incident has been resolved.