Thomson Reuters incident

Intermittent Latency Observed for Tax Calculation REST API Across AMER, EMEA, OCI UAT/PROD

Thomson Reuters experienced a minor incident on March 31, 2026 affecting ONESOURCE Determination Enterprise Cloud (AWS AMER) and ONESOURCE Determination Enterprise Cloud (AWS EMEA) and 1 more component, lasting 8m. The incident has been resolved; the full update timeline is below.

Started: Mar 31, 2026, 05:48 PM UTC
Resolved: Mar 31, 2026, 05:56 PM UTC
Duration: 8m
Detected by Pingoru: Mar 31, 2026, 05:48 PM UTC

Affected components

ONESOURCE Determination Enterprise Cloud (AWS AMER)ONESOURCE Determination Enterprise Cloud (AWS EMEA)ONESOURCE Determination Enterprise Cloud (OCI AMER)

Update timeline

investigating Mar 31, 2026, 05:48 PM UTC

We are currently experiencing intermittent issues with the Tax calculation REST API feature with our ONESOURCE Indirect Tax Determination Enterprise. 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 Mar 31, 2026, 05:56 PM UTC

Dear Customers, We experienced intermittent latencies with the Tax Calculation REST APIs in ONESOURCE Indirect Tax Determination across the AMER, EMEA, and OCI in both UAT and PROD environments between 12:00 PM and 12:15 PM CST on March 31. The issue has now been mitigated. We apologize for any inconvenience this may have caused and appreciate your understanding and patience. We are actively looking into the root cause. If you have any questions, please contact Customer Support.