Thread incident

Full outage due to AWS US East region outage

Critical Resolved View vendor source →

Thread experienced a critical incident on October 20, 2025 affecting Thread RT API and Thread Inbox, Messenger, & Admin and 1 more component, lasting 4h 29m. The incident has been resolved; the full update timeline is below.

Started
Oct 20, 2025, 08:02 AM UTC
Resolved
Oct 20, 2025, 12:32 PM UTC
Duration
4h 29m
Detected by Pingoru
Oct 20, 2025, 08:02 AM UTC

Affected components

Thread RT APIThread Inbox, Messenger, & AdminThread Message ProcessingMicrosoft Teams Service

Update timeline

  1. identified Oct 20, 2025, 08:02 AM UTC

    We will update as soon as we have additional details. Details: https://health.aws.amazon.com/health/status

  2. identified Oct 20, 2025, 10:59 AM UTC

    AWS has remediated the issue, and services are gradually coming back online. However, we’re still seeing residual effects impacting Twilio, preventing messages from loading in Inbox and Messenger.

  3. monitoring Oct 20, 2025, 12:07 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Oct 20, 2025, 12:32 PM UTC

    This incident has been resolved.