The following Multichannel Solutions (MCS) APIs are available in the sandbox for testing. You can use these endpoints to simulate and validate sales channel setup, order fulfillment, and tracking flows.
MCS API Description Endpoint Method Create MCS Sales Channel details Set up a new test sales channel in MCS. /v3/fulfillment/orders-fulfillments/channel-detailsPOST Get MCS Sales Channel details Retrieve details for test sales channels you’ve already created for MCS. /v3/fulfillment/orders-fulfillments/channel-detailsGET Update MCS Sales Channel details Updates MCS test sales channel details for existing sales channels. /v3/fulfillment/orders-fulfillments/channel-detailsPUT
MCS API Description Endpoint Method Create test item Create a mock MCS item for testing fulfillment and order flows. /v3/fulfillment/mcs/itemPOST Get test item Retrieve mock MCS item details from the sandbox. /v3/fulfillment/mcs/itemGET
MCS API Description Endpoint Method Fetch delivery promise Access estimated delivery dates and shipping timelines based on fulfillment details. /v3/fulfillment/orders-fulfillments/fetchOrderPromiseOptionsPOST Create Customer Order Submit customer test orders for WFS items to initiate fulfillment through Walmart’s network. /v3/fulfillment/orders-fulfillmentsPOST Cancel Customer Order Submit cancellation requests for eligible customer test orders prior to shipment. /v3/fulfillment/orders-fulfillments/cancelPOST
MCS API Description Endpoint Method Get order tracking details View fulfillment status updates for test orders from submission through delivery. /v3/fulfillment/orders-fulfillments/statusGET
