Intuit Developer incident
QuickBooks Online API — TaxCode and TaxRate APIs failing with a 4001 validation error
Intuit Developer experienced a minor incident on September 23, 2026 affecting QuickBooks Online API, lasting 9h 44m. The incident has been resolved; the full update timeline is below.
Affected components
QuickBooks Online API
Update timeline
- investigating Sep 23, 2026, 10:47 AM UTC
We are currently investigating the issue.
- resolved Sep 23, 2026, 10:48 AM UTC
The incident has been resolved.