- Level
- confirmed
- Worst impact
- Degraded
- Components
- SMS Messaging (SMPP), MMS Messaging (MM4), REST APIs - HTTP SMS Messaging, REST APIs - HTTP MMS Messaging
What to do
Check whether you use Bandwidth SMS Messaging (SMPP), MMS Messaging (MM4), REST APIs - HTTP SMS Messaging, REST APIs - HTTP MMS Messaging. 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 16h 16m it lasted.
Anything that failed between 2026-09-10 23:24 UTC and 2026-09-11 15:40 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 4
- identified
Bandwidth teams have identified an off-network incident resulting in intermittent messages delivery failures to AT&T destinations. These failures result in a 4740 code. Teams are working with AT&T to restore expected delivery of messages.
provider
- identified
Bandwidth teams continue to partner with the impacted industry provider.
provider
- identified
Bandwidth teams continue to partner with the impacted industry provider. Updates will be provided as they become available.
provider
- 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-7fe03a3c50
Is Bandwidth still down?
No, this incident was resolved 2026-09-11 15:40 UTC. For Bandwidth's live state, see https://down.guide/bandwidth.
How long did it last?
16h 16m, from 2026-09-10 23:24 UTC to 2026-09-11 15:40 UTC, by the times Bandwidth posted.
What was affected?
Bandwidth named SMS Messaging (SMPP), MMS Messaging (MM4), REST APIs - HTTP SMS Messaging, REST APIs - HTTP MMS Messaging.
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.