Unified Tax Calculation
Unified Tax Calculation & Validation
Calculate tax rates and validate tax IDs in a single unified call.
POST
Use this endpoint to perform both tax rate calculation and tax ID validation in one unified request. Ideal for checkout, invoicing, or compliance flows where both functions are needed together.
Request Parameters
You must send a request body with the following fields:
Response Fields
The response includes two major sections: Tax Calculation and Tax ID Validation.
Notes
All rate fields are integers multiplied by 1000 (e.g.,
19000
= 19%
)If both
product_id
and product_category
are provided, product_id
takes priorityIf both
customer_id
and customer_type
are provided, customer_id
takes priorityReverse charge is determined automatically based on customer and jurisdiction
Ideal for invoicing systems, global checkout flows, or ERP automations
Authorizations
Bearer authentication header of the form Bearer <token>
, where <token>
is your auth token.
Headers
Optional. Unique key to ensure idempotent operations (e.g., retry-safe requests).
Body
application/json
Response
200
application/json
Unified tax result and tax ID validation
The response is of type object
.