# Release History
source: https://developer.mastercard.com/payment-currency-conversion/documentation/release-history/index.md

Notable changes specific to this API are listed below (in reverse chronological order). The Release Date is when the change takes effect in Production.

|  Release Date   | API Spec Version |                                                                                                                Notes                                                                                                                 |
|-----------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 21 October 2024 | 1.0.4            | Corrected API specification `transaction_amount` query parameter type to number (not string).                                                                                                                                        |
| 5 August 2024   | 1.0.3            | Adjusted API specification descriptions for `rate_date` and `transaction_date` to clarify that timezone is GMT.                                                                                                                      |
| 23 July 2024    | 1.0.2            | Adjusted API specification descriptions relating to `rate_date` and `transaction_date`.                                                                                                                                              |
| 7 June 2024     | 1.0.1            | Improved the API specification (presented in the documentation pages), including restructuring some sections, adjusting the tag names, and improving some field descriptions. The API fields and API functionality have not changed. |