# Release History
source: https://developer.mastercard.com/merchant-identifier/documentation/release-history/index.md

## Release History {#release-history}

|                                              **Open API Spec Version**                                              | **Release Date**  |                                                                 **Notes**                                                                  |
|---------------------------------------------------------------------------------------------------------------------|-------------------|--------------------------------------------------------------------------------------------------------------------------------------------|
| [Version 3.0.3](https://developer.mastercard.com/merchant-identifier/documentation/api-reference/index.md)          | August 25th, 2025 | [Release Notes](https://static.developer.mastercard.com/content/merchant-identifier/uploads/MerchantIdentifierAPI_ReleaseNotes_v3.0.3.pdf) |
| [Version 3.0.2](https://developer.mastercard.com/merchant-identifier/documentation/api-reference/index.md)          | April 1, 2024     | [Release Notes](https://static.developer.mastercard.com/content/merchant-identifier/uploads/MerchantIdentifierAPI_ReleaseNotes_v3.0.2.pdf) |
| [Version 3.0.1](https://developer.mastercard.com/merchant-identifier/documentation/api-reference/index.md)          | October 1, 2023   | [Release Notes](https://static.developer.mastercard.com/content/merchant-identifier/uploads/MerchantIdentifierAPI_ReleaseNotes_v3.0.1.pdf) |
| [Version 3.0.0](https://developer.mastercard.com/merchant-identifier/documentation/api-reference/index.md)          | June 1, 2022      | [Release Notes](https://static.developer.mastercard.com/content/merchant-identifier/uploads/MerchantIdentifierAPI_ReleaseNotes.pdf)        |
| [Version 2.0.0](https://developer.mastercard.com/merchant-identifier/documentation/midv2/v2-api-reference/index.md) | Feb 11, 2017      | deprecated                                                                                                                                 |