SMS Delivery Failures from Twilio to Multiple Networks in China

What to do

• Check whether you use Twilio SMS, APAC in apac. 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 16m it lasted.

  Anything that failed between 2026-08-26 19:40 UTC and 2026-08-26 19:56 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 3

1. investigatingAug 26, 2026, 7:40 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks in China. 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. identifiedAug 26, 2026, 7:42 PM UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks in China. 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. resolvedAug 26, 2026, 7:56 PM UTC

   We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

   provider

Corrections

None so far.

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