# Summary of changes
source: https://developer.mastercard.com/track-search/documentation/summary-of-changes/index.md

|                                  Description of functionality                                   |                                                                                                                 Where to look                                                                                                                  |  Release   |
|-------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------|
| Updated the number of records per request and requests per minute in the How it works section.  | [How it works](https://developer.mastercard.com/track-search/documentation/index.md)                                                                                                                                                           | April 2024 |
| Updated HTTPS status codes and Initiate search request error codes with new search limit codes. | [Codes and formats](https://developer.mastercard.com/track-search/documentation/code-and-formats/index.md)                                                                                                                                     | April 2024 |
| Clarified customer ICA as the Business Payment Service ICA.                                     | [Before you start](https://developer.mastercard.com/track-search/documentation/index.md) [Create a sandbox project](https://developer.mastercard.com/track-search/tutorial/getting-credentials/index.md)                                       | June 2023  |
| Updated sandbox information.                                                                    | [Create a sandbox project](https://developer.mastercard.com/track-search/tutorial/getting-credentials/index.md)                                                                                                                                | June 2023  |
| The initiate Search flow now includes Supplier profile ID in the response body.                 | [Initiate a bulk search use case](https://developer.mastercard.com/track-search/documentation/use-cases/initiate_search/index.md) [Create a bulk search tutorial](https://developer.mastercard.com/track-search/tutorial/bulk-search/index.md) | April 2023 |