Major incident

Chainalysis: Server Error on Reactor, Rapid, and KYT

Affected: KYT API, Reactor, Rapid Lookup

Current status of Chainalysis: Operational — live Chainalysis status

Timeline

1. Jun 12, 2026, 07:53 UTC
   investigating
   We are investigating a server error across Reactor, Rapid and KYT. We will provide more information as soon as they become available. Next update at 10:00 UTC
2. Jun 12, 2026, 08:32 UTC
   monitoring
   We have implemented a fix, and the system has recovered. However, users should expect somewhat degraded performance, resulting in slower responses. We will continue to enhance the fix in place to bring performance level back up to expected levels. We will continue to monitor for stability. Please reach out to [email protected] if continuing experiencing any issues. Next update at 15:00 UTC.
3. Jun 12, 2026, 09:05 UTC
   resolved
   This incident has been resolved and no further issues are expected. If you experience any problems at all, reach out to [email protected]

Updates as published by Chainalysis (original).