503 Error when using temp tokens with Realtime API

Incident Report for AssemblyAI

Resolved

This incident has been resolved.

Posted Aug 03, 2026 - 17:56 UTC

Monitoring

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

Posted Aug 03, 2026 - 16:37 UTC

Update

We are continuing to work on a fix for the issue. The API is stable and the errors subsided at 5:11pm UTC.

Posted Aug 03, 2026 - 16:33 UTC

Identified

Our team has identified the issue and a fix is being released.

Posted Aug 03, 2026 - 16:11 UTC

Investigating

We are currently investigating an issue where users on our us-east-1 endpoint are experiencing 503 errors when using temporary tokens with our Realtime API. This began at 4:49pm UTC.

Posted Aug 03, 2026 - 16:08 UTC

This incident affected: APIs (Streaming API).