AssemblyAI
Operational
All Systems Operational
Official status API · last read just now
- Reported uptime
- 99.91%
- From published incidents, 89 of 90 days covered
- Published incidents
- 13
- Active in the last 90 days
- Days affected
- 11
- Out of the last 90, any severity
- Last incident
- 8 d ago
- Started Nov 2, 21:42 UTC
Last 90 days
- Operational
- Maintenance
- Degraded
- Partial outage
- Major outage
- No data
CVEs, last two years
0
None matched in NVD.
Disclosed security incidents
0
None on record since January 2024.
Published root-cause analyses
3
Linked to the official write-ups.
Incident timeline
November 2026
Elevated errors and delays for Universal-3 Pro, Universal-3.5 Pro and Universal-3.6 Pro
Degraded · Nov 2, 21:42 UTC
October 2026
Real-time STT: 502 errors related to change to temporary tokens
Degraded · Oct 28, 18:11 UTC
Increased Processing Times and Errors on EU Endpoint for Universal-3 Pro Async model
Degraded · Oct 6, 15:44 UTC
Increased Processing Times and Errors on US Endpoint for Universal-3.5 Pro Async model
Partial outage · Oct 6, 14:00 UTC
Rejected Sessions on US Endpoint for Universal-3.6 Pro Realtime Model
Degraded · Oct 6, 10:30 UTC
Resolved
Increased processing times and errors for Universal-3.5 Pro on the EU async endpoint
Partial outage · Oct 5, 10:21 UTC
September 2026
Increased turnaround times for Async Universal-3 model
Degraded · Sep 28, 17:27 UTC
Major outage · Sep 16, 20:22 UTC
Elevated turnaround times for async transcription
Notice · Sep 14, 01:27 UTC
Resolved
August 2026
Increased latency for Universal 3.5 Pro Realtime model
Degraded · Aug 25, 14:55 UTC
Async Transcription Service Issues
Degraded · Aug 20, 14:21 UTC
EU endpoint session failures on Universal 3.5 Pro Realtime
Partial outage · Aug 19, 13:17 UTC
Elevated processing times for Universal-3 Pro and Universal-3.5 Pro async transcription
Degraded · Aug 18, 19:34 UTC
Delayed Webhook Delivery on Async EU Endpoint
Degraded · Aug 14, 14:49 UTC
503 Error when using temp tokens with Realtime API
Degraded · Aug 3, 16:08 UTC
Degraded Universal-3.5 Pro streaming in us-east
Notice · Aug 1, 16:57 UTC
Resolved
July 2026
Increased processing times for US async transcription
Degraded · Jul 9, 13:53 UTC
Degraded streaming session creation for Universal Streaming English in us-west
Notice · Jul 7, 15:00 UTC
Resolved
June 2026
Timeout on transcriptions using speaker labels
Partial outage · Jun 25, 15:37 UTC
Pre-recorded Universal-3-pro and Universal-3-5-pro degradation in the EU
Major outage · Jun 24, 09:13 UTC
May 2026
Degraded New Account Signup and Account Provisioning
Degraded · May 27, 21:00 UTC
Increased processing times and errors for Async EU endpoint
Degraded · May 19, 11:08 UTC
Billing Balance & Notification Delays
Degraded · May 7, 13:56 UTC
April 2026
Increased processing times and errors for Universal-2
Degraded · Apr 16, 18:37 UTC
Degraded Async Transcription Performance
Partial outage · Apr 9, 21:33 UTC
Pre-recorded STT requests that include Content Moderation failing
Notice · Apr 6, 21:51 UTC
Resolved
March 2026
Increase in error rates for Claude Sonnet 4.6
Degraded · Mar 30, 18:41 UTC
Longer than usual processing times for transcription of pre-recorded audio
Degraded · Mar 6, 19:04 UTC
Resolved
February 2026
Billing Issue Affecting Some Universal-3-Pro Users
Degraded · Feb 28, 19:19 UTC
Degraded Speaker Identification and Translation
Degraded · Feb 27, 13:29 UTC
Partial outage · Feb 25, 19:39 UTC
Increase in 429 errors with LLM Gateway requests using Haiku 4.5
Degraded · Feb 9, 19:53 UTC
January 2026
Async + LLM gateway APIs returning 5xx
Major outage · Jan 29, 17:54 UTC
Higher latency when using the EU endpoint
Degraded · Jan 28, 17:50 UTC
Elevated connection errors when starting new Streaming sessions
Degraded · Jan 5, 16:45 UTC
November 2025
Expected responses from LLM Gateway using Claude models
Degraded · Nov 24, 22:39 UTC
Delayed processing of transcripts on Slam
Partial outage · Nov 20, 08:21 UTC
Cloudflare outage affecting documentation access and Google Auth flow on dashboard
Partial outage · Nov 18, 14:15 UTC
SSL certificate validation errors connecting to Streaming API
Degraded · Nov 15, 14:30 UTC
Resolved
October 2025
Degraded performance for requests using Slam-1
Degraded · Oct 31, 10:38 UTC
Degraded performance for requests using Slam-1
Degraded · Oct 30, 19:36 UTC
Requests failing for Slam-1 model
Partial outage · Oct 22, 17:56 UTC
Degraded · Oct 20, 23:00 UTC
September 2025
Increased error rates for pre-recorded Speech-to-Text
Degraded · Sep 30, 17:33 UTC
Some Streaming Sessions are Failing to be Established
Degraded · Sep 29, 13:49 UTC
Increased Processing Time for Non-English Language Transcriptions
Degraded · Sep 23, 10:00 UTC
Resolved
Increase in turnaround times for pre-recorded audio transcription
Notice · Sep 22, 19:34 UTC
Degraded Streaming Performance
Degraded · Sep 16, 10:30 UTC
Resolved
August 2025
Slam-1 requests not completing successfully
Partial outage · Aug 5, 16:05 UTC
July 2025
Delay in New Transcriptions Appearing Under Transcription History on Dashboard
Degraded · Jul 30, 09:05 UTC