Thomson Reuters incident
Intermittent tax failures for Soap & REST API-AWS AMER UAT
Resolved after 2 days, affecting ONESOURCE Determination Enterprise Cloud (AWS AMER), on February 25, 2026.
Dear Customers, We experienced intermittent issues with tax calculation SOAP and REST API in the ONESOURCE Indirect Tax Determination - AMER UAT environment between 6:49 AM CT and 7:04 AM CT AM on Feb 25. The issue has now been resolved. We apologize for any inconvenience and appreciate your understanding and patience. Further details will be provided in the formal RCA. If you have any questions, please contact Customer Support.
Affected components
Update timeline
- investigating Feb 25, 2026, 01:48 PM UTC
We are currently experiencing intermittent issues with Tax Calculation feature with our Soap & Rest ApI service.
- monitoring Feb 25, 2026, 02:04 PM UTC
Dear Customers, We experienced intermittent issues with tax calculation SOAP and REST API in the ONESOURCE Indirect Tax Determination - AMER UAT environment between 6:49 AM CT and 7:04 AM CT AM on Feb 25. The issue has now been resolved. We apologize for any inconvenience and appreciate your understanding and patience. Further details will be provided in the formal RCA. If you have any questions, please contact Customer Support.
- resolved Feb 27, 2026, 02:33 PM UTC
This incident has been resolved.
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