# Understanding transactions in AvaTax Brazil

Source: https://developer.avalara.com/services-calculation-en/transactions/

# Understanding transactions in AvaTax Brazil

At its core, _AvaTax_ is designed to help you calculate taxes on a transaction between two parties. The right parameters in the API call help you ensure your tax calculation is correct.

It is important to say that _AvaTax Brazil_ uses the characteristics informed on the request to determine the taxation involved in the transaction.

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