The Walmart Orders API (also known as purchase orders or PO's) allows 1P suppliers to Integrate directly between native applications and Walmart data to get near real-time updates directly from the Walmart Orders system. Use of API’s significantly reduces errors and time that are common with manual processes for data transfer. The API’s will have data for Walmart US Orders for eCommerce and Stores.
The Orders API contains the following:
Bulk 1P Orders API – Provides all PO’s for a specified date range at the PO level
Single 1P Orders API – Provides all PO Line Level detail on a single PO specified