Delivery Issue USA - T-Mobile

What to do

• Check whether you use Sinch SMS - US - ShortCode, SMS - US - 10DLC, MMS - US, MMS - US - 10DLC 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 5h 52m it lasted.

  Anything that failed between 2026-07-13 15:37 UTC and 2026-07-13 21:29 UTC may need a replay.

• Subscribe to Sinch's feed to hear about the next one first. RSS feed

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

Updates from Sinch 4

1. investigatingJul 13, 2026, 3:37 PM UTC

   We are currently observing delivery issues towards USA - T-Mobile. Incident Start Time: 2026-07-13 14:59 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

   provider

2. identifiedJul 13, 2026, 5:16 PM UTC

   The issue has been identified and a fix is being implemented.

   provider

3. identifiedJul 13, 2026, 6:24 PM UTC

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

   provider

4. resolvedJul 13, 2026, 9:29 PM UTC

   This incident has been resolved. Incident Start Time: 2026-07-13 14:59 UTC Incident End Time: 2026-07-13 18:34 UTC

   provider

Corrections

None so far.

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