# VoucherifySdk::ManagementProjectLimitsBulkApiCallsItem ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **value** | **Integer** | Determines the maximum number of API calls per time set in `\"duration\"`. | [optional] | | **duration** | **String** | Determines the amount of time during which the calls up to the number specified in the `value` can be made. The duration is presented in the ISO 8601 format, e.g. `PT1H` means one hour. | [optional] |