ThousandEyes incident

Service degradation impacting API Alert List and Alert Detail endpoints on API v5 and API v6

Major Resolved View vendor source →

ThousandEyes experienced a major incident on December 2, 2025 affecting API Availability, lasting 3h 13m. The incident has been resolved; the full update timeline is below.

Started
Dec 02, 2025, 11:22 PM UTC
Resolved
Dec 03, 2025, 02:35 AM UTC
Duration
3h 13m
Detected by Pingoru
Dec 02, 2025, 11:22 PM UTC

Affected components

API Availability

Update timeline

  1. investigating Dec 02, 2025, 11:22 PM UTC

    We have identified an issue with the Alert List and Alert Details API endpoints. Customers may experience 404 errors on the API v5 and v6 versions of these endpoints, which started around December 2, 2025, at 18:00 UTC. We are currently investigating the issue and are working on a fix.

  2. monitoring Dec 02, 2025, 11:55 PM UTC

    A fix has been implemented and we are monitoring the results

  3. resolved Dec 03, 2025, 02:35 AM UTC

    This incident has been resolved.