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ONESOURCE API Administration - Security Certificate Renewal in EMEA

Scheduled for Oct 31, 13:00 - 19:00 CDT

Scheduled

ONESOURCE API Administration's Security Certificates are scheduled for their annual renewal in EMEA. This maintenance also includes updates to a supporting ONESOURCE Platform backend service.

Between 1:00 PM and 1:30 PM CDT on October 31, you may experience temporary token validation errors when accessing certain product endpoints.

If you experience an error, please generate a new token and retry the request. If the issue persists, please try again after a few minutes.

We apologize for any inconvenience and appreciate your patience. For urgent assistance, please contact our Support team.
Posted Oct 21, 2026 - 11:22 CDT
This scheduled maintenance affects: Platform (EMEA (emea1.onesourcetax.com), EMEA API Administration).