Secretplease go to [this](https://developer.paypal.com/docs/platforms/get-started/ page and follow the instructions. After registration you may find your
start_date_min= 3 years, API call lists transaction for the previous three years.
start_date_max= 1.5 days, it takes a maximum of three hours for executed transactions to appear in the list transactions call. It is set to 1.5 days by default based on experience, otherwise API throw an error.
stream_slice_period= 1 day, the maximum supported date range is 31 days.
records_per_request= 10000, the maximum number of records in a single request.
page_size= 500, the maximum page size is 500.
requests_per_minute= 30, maximum limit is 50 requests per minute from IP address to all endpoint
stream_slice_period= 1 day, it means that there will be 1 request for each day between start_date and now (or end_date). if
start_dateis greater then
start_date_max. Balances sync is similarly performed with default
stream_slice_period= 1 day, but it will do additional request for the end_date of the sync (now).