The following conditions must be met for a Walmart store's orders to be acknowledged:
Active account billing status
Active store
Enabled auto refreshing
Acknowledge orders integration setting must be enabled (Default: Enabled)
What types of Walmart orders are acknowledged?
SKULabs can acknowledge both seller fulfilled orders, and non-seller fulfilled orders—including 3PL orders (e.g. Deliverr) and Walmart Fulfillment Service orders.