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Reactor and KYT Service Disruption

Critical Impact Resolved Duration: 2h 12m September 8, 2026
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Current answer

Chainalysis experienced a critical incident: Reactor and KYT Service Disruption. ServiceAlert observed recovery on Sep 8, 2026.

Official Chainalysis status page Current Chainalysis status ServiceAlert observed status change:

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Incident Lifecycle

Investigating Investigating Monitoring
Affected Components
KYT API Reactor Entities

Incident Timeline

Monitoring
The issue has been identified and a fix has been implemented. We are monitoring to ensure stability.

Next update at 16:30 UTC.
Sep 8, 2026 at 1:59 PM UTC
Investigating
We are continuing to investigate this issue.
Sep 8, 2026 at 1:40 PM UTC
Investigating
Users are currently unable to access graphs in Reactor and we are investigating further.

The Withdrawal Attempts API endpoint in KYT and the Address Screening API endpoint are impacted by this incident.

Next update at 15:30 UTC.
Sep 8, 2026 at 1:22 PM UTC
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