Wayfair Integration Inventory Sync - True_up option.

https://developer.wayfair.com/docs/#save-inventory-mutation **Variable** - feed_kind **Possible values** Differential - inventory updates (partial) True_up - inventory updates (daily full update) Wayfair typically ask to use the differential method if possible but also as a fail safe recommends a true_up update once a day. Shipedge currenly only supports ***differential*** and does not support the daily ***true_up***