Thomson Reuters incident
ONESOURCE Indirect Tax calculation failures in REST API - AMER PROD
Resolved after 1 hour 42 minutes, affecting ONESOURCE Determination Enterprise Cloud (AWS AMER), on March 21, 2026.
Tax calculation failures affected REST API transactions in AMER PROD from 9:45 to 9:50 a.m. CST. The systems have auto-healed, and we are investigating the root cause. We will complete the RCA and share additional details soon.
Affected components
Update timeline
- identified Mar 21, 2026, 03:17 PM UTC
We experienced tax calculation failures for our REST API transactions in AMER PROD between 9:45 AM - 9:50 AM CST. We are actively monitoring the situation and will soon update on the latest status.
- resolved Mar 21, 2026, 04:52 PM UTC
Tax calculation failures affected REST API transactions in AMER PROD from 9:45 to 9:50 a.m. CST. The systems have auto-healed, and we are investigating the root cause. We will complete the RCA and share additional details soon.
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