Thomson Reuters incident
Intermittent Failures and elevated latencies while making REST calls
Thomson Reuters experienced a minor incident on July 22, 2026 affecting ONESOURCE Determination Enterprise Cloud (AWS AMER) and ONESOURCE Determination Enterprise Cloud (OCI AMER), lasting 2h 36m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 22, 2026, 09:31 PM UTC
We are currently experiencing an issue with the Tax calculation API feature with our ONESOURCE Indirect Tax Enterprise service, which is temporarily unavailable. 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 23, 2026, 12:07 AM UTC
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 2:18 PM CT and 5:34 PM CT on July 22, 2026. The issue is 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.