How can I set up stock sync between two Shopify sites?

To sync stock between two Shopify stores, install Stock Sync on both stores. Choose one as the main store and the other as the receiving store. In the receiving store, create a feed using the Shopify Store (requires Stock Sync app) connection and enter the main store’s public token. Stock is matched using SKU, so ensure both stores use identical SKUs for the products you want synced. For two‑way sync, create a feed in each store using the other store’s public token. Orders cannot be synced using Stock Sync.

Additional requirements and notes:

• Both Shopify stores must have the Stock Sync app installed.
• The receiving (sub‑store) must be on a Paid plan. The main store can remain on the Free plan (if one-way sync)
• If 2-way sync, both stores need to be on a Paid plan.
• The update or real‑time sync feed must be created from the receiving store.
• Only matching SKUs will sync between stores.
• Each feed can update only one inventory location. Ensure the correct location is selected.
• For real‑time quantity sync, use the Shopify Store (Real-time quantity sync) connection method.
• If a product is missing from the target location, Stock Sync can automatically assign it when updating quantities (if enabled).

Updated on: 16/07/2026