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Bandwidth

Outbound Messaging Incident

Major outage Lasted 3d 2h · started · Bandwidth's page

Level
confirmed
Worst impact
Major outage
Components
SMS Messaging (SMPP), MMS Messaging (MM4), Toll-Free SMS - Outbound, Toll Free MMS - Outbound
Down Index
45of 100

What to do

  • Check whether you use Bandwidth SMS Messaging (SMPP), MMS Messaging (MM4), Toll-Free SMS - Outbound, Toll Free MMS - Outbound. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 3d 2h it lasted.

    Anything that failed between 2026-04-27 13:05 UTC and 2026-04-30 15:57 UTC may need a replay.
  • Subscribe to Bandwidth's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=bandwidth works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Bandwidth 9

  1. investigating

    Bandwidth teams are investigating an outbound messaging incident, where customers are experiencing unexpected 4452 error codes. Teams are working to restore expected messaging behavior.

    provider

  2. investigating

    Teams continue to investigate this incident.

    provider

  3. investigating

    Teams continue to investigate this incident.

    provider

  4. identified

    Teams have identified the source of this incident and are working to restore expected network behavior.

    provider

  5. identified

    Trams continue work to resolve this incident. Ongoing mitigation work is underway.

    provider

  6. identified

    Trams continue work to resolve this incident. Ongoing mitigation work is underway.

    provider

  7. monitoring

    Teams are observing expected messaging behaviors, and will continue to monitor for stability.

    provider

  8. monitoring

    Teams continue to observe expected messaging behaviors, and will continue to monitor for stability.

    provider

  9. resolved

    This incident has been resolved.

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-381fb3c759

Is Bandwidth still down?

No, this incident was resolved 2026-04-30 15:57 UTC. For Bandwidth's live state, see https://down.guide/bandwidth.

How long did it last?

3d 2h, from 2026-04-27 13:05 UTC to 2026-04-30 15:57 UTC, by the times Bandwidth posted.

What was affected?

Bandwidth named SMS Messaging (SMPP), MMS Messaging (MM4), Toll-Free SMS - Outbound, Toll Free MMS - Outbound.

What caused it?

Bandwidth hasn't published a root cause. If it does, it shows here.

Where does this come from?

Bandwidth's official status page, https://status.bandwidth.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.