To validate a single product,

1. Go to the Magento 2 Store Admin panel.
2. On the left navigation bar, click the WALMART DSV INTEGRATION menu.
   The menu appears as shown in the following figure:
3. Click Products.
   The Manage Products page appears as shown in the following figure:
   All the available products are listed on this page.
4. Scroll down to the required product.
5. In the Action column, click the validate button. 
6. The product validation message will appear.