QuickBooks Online API — TaxCode and TaxRate APIs failing with a 4001 validation error

Incident Report for Intuit Developer Group

Resolved

The incident has been resolved.
Posted Sep 23, 2026 - 02:45 PDT

Investigating

We are currently investigating the issue.
Posted Sep 22, 2026 - 17:00 PDT
This incident affected: QuickBooks Online API.