Intuit

QuickBooks Sales Tax API

The QuickBooks Sales Tax API is a premium API that provides programmatic access to the automated sales tax calculation capabilities within QuickBooks Online. It enables developers to leverage QuickBooks automated sales tax engine to calculate the correct sales tax for invoices and other transactions, supporting tax compliance across different jurisdictions.

Documentation GitHub

Documentation

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APIReference

https://developer.intuit.com/app/developer/qbo/docs/api/accounting/all-entities/taxrate

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Documentation

https://developer.intuit.com/app/developer/qbo/docs/develop