# Parameters
source: https://developer.mastercard.com/currency-conversion-calculator/documentation/parameters/index.md

This section provides details on each of the input and output responses.

## Currency Conversion Service {#currency-conversion-service}

|     Input      |      Format       |                                      Description                                      |
|----------------|-------------------|---------------------------------------------------------------------------------------|
| fxDate         | YYYY-MM-DD        | The date of the transaction                                                           |
| transCurr      | ISO Currency Code | 3-digit ISO Currency Code of the transaction                                          |
| crdhldBillCurr | ISO Currency Code | 3-digit ISO Currency Code of the cardholder billing currency                          |
| transAmount    | Number            | Amount in transaction currency                                                        |
| bankFee        | Number            | Percentage bank fee imposed by the issuer. Accommodates 4 decimal points to the right |

|     Output     |       Format        |                                                                                 Description                                                                                  |
|----------------|---------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| conversionRate | number              | Currency conversion rate applicable for the currency pair. Example: If transCurr = GBP and crdhldBillCurr = USD, then conversionRate = 1.2803999 where 1 GBP = 1.2803999 USD |
| crdhlBillAmt   | number              | Calculated cardholder billing amount based on the applicable currency conversion rate \[transAmount \* conversionRate\]                                                      |
| date           | YYYY-MM-DD HH:MM:SS | The date and time the API server receives the request. The time is provided in GMT                                                                                           |

## Rate Publication Status Service {#rate-publication-status-service}

| Input |   Format   |                           Description                           |
|-------|------------|-----------------------------------------------------------------|
| date  | YYYY-MM-DD | Provides current days rate to determine if the rates are issued |

|   Output   | Format |                           Description                           |
|------------|--------|-----------------------------------------------------------------|
| rateIssued | Yes/No | Provides status to indicate if the current day rates are issued |

## Available Currencies Service {#available-currencies-service}

This request has no parameters.

| Output  | Format |        Description        |
|---------|--------|---------------------------|
| alphaCd | string | 3-digit ISO Currency Code |
| currNam | string | Name of the currency      |