When using our Shopify integration, it's imperative that any products you've created in Shopify are in-sync with Unstack. Therefore, there are two ways you can sync data between the two:
Let the auto-sync take care of things
Every 30 minutes, an auto-sync job kicks off to pull in the latest data from Shopify. Therefore if you've made changes to a product, or added a product in Shopify, all you need to do is wait for the next sync job to kick off.
Start a manually sync
If you need the product changes in Unstack as soon as you make them, then you can manually sync your product changes to Unstack via the "Sync Now" button found under Integrations > Shopify > Edit.
This is also where you'll be able to see the last time a Shopify > Unstack sync was performed.
Still not seeing your products in Unstack?
If you've already re-sync'd your account and you're still not seeing your products, check to make sure they are marked as "available" for the Unstack Sales Channel in Shopify.