| Duration | The duration datatype represents a combination of year, month, day and time values representing a single duration of time, encoded as a single string. |
| End | The ending value of the time span. |
| Start | The starting value of the time span. |
| CurrencyCode | An ISO 4217 (3) alpha character code that specifies a monetary unit. |
| DecimalPlaces | The ISO 4217 standard "minor unit" for the number of decimal places for a particular currency. |
| FixedRate | The rate amount used in place of MinRate and MaxRate when a specific rate is being requested. |
| MaxRate | A decimal value that indicates the maximum monetary value to be considered in a request for an available product. |
| MinRate | A decimal value that indicates the minimum monetary value to be considered in a request for an available product. |
| RateTimeUnit | Used to specify the period of time to which the rates apply. |