AssemblyAI incident

EU endpoint session failures on Universal 3.5 Pro Realtime

Major Resolved View vendor source →

AssemblyAI experienced a major incident on August 19, 2026 affecting Streaming API, lasting 7m. The incident has been resolved; the full update timeline is below.

Started
Aug 19, 2026, 01:17 PM UTC
Resolved
Aug 19, 2026, 01:24 PM UTC
Duration
7m
Detected by Pingoru
Aug 19, 2026, 01:17 PM UTC

Affected components

Streaming API

Update timeline

  1. investigating Aug 19, 2026, 01:17 PM UTC

    We're currently investigating an issue affecting users on our Universal 3.5 Pro Realtime model, where new streaming sessions could not be created on our EU endpoint. This occurred from 13:00–13:12 UTC. Affected users are seeing a 3005 close code. Users on the US endpoint are unaffected.

  2. identified Aug 19, 2026, 01:17 PM UTC

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

  3. monitoring Aug 19, 2026, 01:18 PM UTC

    A fix has been implemented and our team is monitoring the results. Users can now create new realtime sessions successfully.

  4. monitoring Aug 19, 2026, 01:20 PM UTC

    We are continuing to monitor for any further issues.

  5. resolved Aug 19, 2026, 01:24 PM UTC

    This incident has been resolved.