API Lab

Calculate tax for a transaction before you commit it, using live inputs for addresses, products, and exemptions.

Create products, fetch categories, and retrieve product details so items are classified correctly for tax.

Create customer records and look them up. The foundation for exemptions and customer-level reporting.

Record completed sales and retrieve them, keeping your compliance data in sync with every order.

Issue credit notes for refunds and returns so your sales records stay accurate.

Create physical nexus and registrations, then confirm where your business has tax obligations.