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AssemblyAI

Some Streaming Sessions are Failing to be Established

Degraded Lasted 11h 42m · started · AssemblyAI's page

Level
confirmed
Worst impact
Degraded
Components
Streaming API
Down Index
35of 100

What to do

  • Check whether you use AssemblyAI Streaming API. 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 11h 42m it lasted.

    Anything that failed between 2025-09-29 13:49 UTC and 2025-09-30 01:31 UTC may need a replay.
  • Subscribe to AssemblyAI's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=assemblyai works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from AssemblyAI 5

  1. investigating

    Between 1:30p and 1:40p GMT there were an increased number of new streaming sessions that were failing to be established. Customers would have received the error message "received 3005 (registered) Session Cancelled: An error occurred; ".

    provider

  2. investigating

    The Streaming API has now returned to full functionality. Our team is still investigating the root cause of this issue.

    provider

  3. investigating

    Our team is still investigating the cause of the elevated errors, but the Streaming API is still continuing to function normally.

    provider

  4. monitoring

    We have continued to see stable performance throughout the day. The Streaming API is operating normally and we are monitoring the effects of recent changes to ensure continued service stability. Our team continues working to determine the root cause of the earlier connection failures.

    provider

  5. resolved

    We have continued to see good performance since rolling back the update that was identified to be the cause of this issue, so we are marking this issue as resolved.

    provider

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Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-c49f08662c

Is AssemblyAI still down?

No, this incident was resolved 2025-09-30 01:31 UTC. For AssemblyAI's live state, see https://down.guide/assemblyai.

How long did it last?

11h 42m, from 2025-09-29 13:49 UTC to 2025-09-30 01:31 UTC, by the times AssemblyAI posted.

What was affected?

AssemblyAI named Streaming API.

What caused it?

AssemblyAI hasn't published a root cause. If it does, it shows here.

Where does this come from?

AssemblyAI's official status page, https://status.assemblyai.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.