get https://{domain_prefix}.retail.lightspeed.app/api/2.0/promotions
This endpoint lists all promotions for a retailer.
There are optional query parameters that allow filtering promotions. They can't be combined:
end_time_from- only show promotions that have end_time after or equal to this timeend_time_to- only show promotions that have end_time before this time
For example. the time format for end_time_from and end_time_to are: 2047-06-21T13:00:00