Chainalysis incident

Reactor and KYT Outage

Resolved after 4 hours 8 minutes, affecting KYT API and Reactor and 1 more, on December 5, 2025.

resolved Dec 05, 2025, 01:17 PM UTC

After extensive monitoring over the past few hours, we are confident that the incident has now been resolved and all our systems are operating as expected. If you experience any issues, please reach out to [email protected].

Other major vendors with incidents that started within 30 minutes of this one

Started
Dec 05, 2025, 09:08 AM UTC
Resolved
Dec 05, 2025, 01:17 PM UTC
Duration
4h 8m
Detected by Pingoru
Dec 05, 2025, 09:08 AM UTC

Affected components

KYT APIReactorKYT UIEntities

Update timeline

  1. identified Dec 05, 2025, 09:08 AM UTC

    We have identified an outage affecting all our products due to an unexpected outage with Cloudflare: https://www.cloudflarestatus.com/ We are working on a solution to reinstate access and will provide more details as soon as we have them. We have no workaround to share at this time. Next update at 11:00 UTC

  2. monitoring Dec 05, 2025, 09:17 AM UTC

    Cloudfare has implemented a fix, and our products are back up and running. We will continue to monitor the system closely to ensure stability. If you are still experiencing delays, please reach out to [email protected]. Next update at 14:00 UTC

  3. monitoring Dec 05, 2025, 10:09 AM UTC

    We are continuing to monitor for any further issues. Next update at 14:00 UTC

  4. resolved Dec 05, 2025, 01:17 PM UTC

    After extensive monitoring over the past few hours, we are confident that the incident has now been resolved and all our systems are operating as expected. If you experience any issues, please reach out to [email protected].

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