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Sauce Labs

2026-February-27 Service Incident

Degraded Lasted 1h 34m · started · Sauce Labs's page

Level
confirmed
Worst impact
Degraded
Components
US-West
Regions
us, us-west-1
Down Index
26of 100

What to do

  • Check whether you use Sauce Labs US-West in us, us-west-1. 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 1h 34m it lasted.

    Anything that failed between 2026-02-27 18:42 UTC and 2026-02-27 20:15 UTC may need a replay.
  • Subscribe to Sauce Labs's feed to hear about the next one first. RSS feed

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

Updates from Sauce Labs 3

  1. investigating

    Live and automated real device test results are not being displayed on the test results page in the US-West-1 data center. We are investigating.

    provider

  2. resolved

    After taking remedial action, we are now seeing real device test results display in the US-West-1 data center. All services are fully operational.

    provider

  3. postmortem

    ### **Dates:** Friday, February 27th 2026, 16:15 UTC - 19:50 UTC  ### **What happened:** Requests made using API client authentication would return 500 errors.  ### **Why it happened:** An internal data structure became corrupted due to a race condition. ### **How we fixed it:** The affected service was restarted, and a long-term fix was applied.  ### **What we are doing to prevent it from happening again:** Thread locking has been applied to the affected service.

    provider

Reports count in aggregate; nothing about you is shown.

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-542f75d78d

Is Sauce Labs still down?

No, this incident was resolved 2026-02-27 20:15 UTC. For Sauce Labs's live state, see https://down.guide/saucelabs.

How long did it last?

1h 34m, from 2026-02-27 18:42 UTC to 2026-02-27 20:15 UTC, by the times Sauce Labs posted.

What was affected?

Sauce Labs named US-West in us, us-west-1.

What caused it?

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

Where does this come from?

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