In Fees-on-top quote scenario, both the payment processing fee (e.g., card or bank transfer fee) and your Partner fee (if applicable) are added on top of the total FIAT amount requested by the end user.
This flow ensures that customers receive the cryptocurrency equivalent of the FIAT amount they specify to spend.
For example, if a customer wants to purchase 200 USD worth of USDT and the processing fee is 6 USD, the API returns the USD-to-USDT conversion for 200 USD, with the network transaction fee (transferOut.feeAmount) already deducted from the quoteAmount returned in the API response.
At checkout, the customer will be charged the sum of the baseAmount and the processing fee (transferIn.feeAmount). In this case, the customer pays a total of 206 USD and receives approximately 198.95 USDT after the network transaction fee has been deducted.

The endpoint returns the approximate quote. If transfer media are provided (transferInMedium and transferOutMedium) transfer fees are also used for calculating the quote amount.

See trade quote for details and explanation of how to create an actual quote you can use to create a trade.

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Important:
Returned quote is just approximate and can not be used as a real quote.

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Caution:
Both transferInMedium and transferOutMedium have to be provided for transfer fees to be included.ß