Thomson Reuters incident
Intermittent Intermittent Failures and elevated latencies while making REST API calls in AMER and OCI PROD and UAT
Thomson Reuters experienced a minor incident on July 23, 2026 affecting ONESOURCE Determination Enterprise Cloud (AWS AMER) and ONESOURCE Determination Enterprise Cloud (OCI AMER), lasting 3h 9m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 23, 2026, 09:13 PM UTC
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- investigating Jul 23, 2026, 09:16 PM UTC
We are currently experiencing intermittent issues with the Tax Calculation API feature with our ONESOURCE Indirect Tax Enterprise service. Our team is actively working to resolve this matter as quickly as possible. We apologize for any inconvenience and appreciate your understanding and patience. Further updates will be provided here as soon as we have more information. If you have any questions, please contact Customer Support.
- resolved Jul 24, 2026, 12:22 AM UTC
Dear Customers, We experienced intermittent issues with the Tax Calculation REST API in the ONESOURCE Indirect Tax Determination service affecting the AMER AWS PROD, OCI PROD, and UAT environments between 2:56 PM CT and 5:38 PM CT on July 23, 2026. The issue has been mitigated now. 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.