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Twilio

SMS and MMS Delivery Delays and Failures Between Twilio and AT&T in United States

Degraded Lasted 12h 38m · started · Twilio's page

Level
confirmed
Worst impact
Degraded
Components
MMS Long Code, North America
Regions
us

What to do

  • Check whether you use Twilio MMS Long Code, North America in us. 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 12h 38m it lasted.

    Anything that failed between 2026-04-18 01:58 UTC and 2026-04-18 14:36 UTC may need a replay.
  • Subscribe to Twilio's feed to hear about the next one first. RSS feed

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

Updates from Twilio 9

  1. investigating

    Twilio customers may be experiencing SMS and MMS delivery delays and failures between Twilio and AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    provider

  2. identified

    Twilio customers may be experiencing SMS and MMS delivery delays between Twilio and AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    provider

  3. identified

    Twilio customers may be experiencing SMS and MMS delivery delays between Twilio and AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

    provider

  4. identified

    We are continuing to work on a fix for this issue.

    provider

  5. identified

    Twilio customers may be experiencing SMS and MMS delivery delays and failures between Twilio and AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

    provider

  6. identified

    Twilio customers are no longer experiencing SMS and MMS delivery delays and failures between Twilio and AT&T network subscribers in the United States.  However, we continue to experience issues for MMS delivery receipts. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available

    provider

  7. identified

    We continue to experience issues for MMS delivery receipts. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

    provider

  8. monitoring

    MMS delivery receipts in the United States is now operating normally. We will continue to monitor for system stability. We'll provide another update in 2 hours or as soon as more information becomes available.

    provider

  9. resolved

    MMS delivery receipts in the United States is now operating normally. This incident has been resolved.

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

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Questions about DWN-c6351086f3

Is Twilio still down?

No, this incident was resolved 2026-04-18 14:36 UTC. For Twilio's live state, see https://down.guide/twilio.

How long did it last?

12h 38m, from 2026-04-18 01:58 UTC to 2026-04-18 14:36 UTC, by the times Twilio posted.

What was affected?

Twilio named MMS Long Code, North America in us.

What caused it?

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

Where does this come from?

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