Stock syncs

8 answers · updated 21 October 2026

• What does a sync do?A sync sends one supplier's quantities to one location of your store. It matches products by SKU, or by barcode if you choose. A live sync runs…
• What are preview and live?Every new sync starts in preview. It runs exactly like a live sync but writes nothing. Its page lists every variant it would change, with the…
• Which location does a sync update?The one you choose when you create the sync in the workspace. MostStack sets the available quantity at that location only; other locations are never…
• Which stock rules can I set?These are applied to the supplier's quantity, in this order: • Multiply, for suppliers that only say 0 or 1; • Keep back a buffer; • Show at most a…
• Does MostStack change my prices?No. Syncs only change stock quantities. Prices are set only when you create new products from a supplier, using your price rules.
• Can several suppliers sell the same product?Yes. When two live syncs write the same SKU to the same location, a setting decides what happens: • the sync that runs last sets the stock (the…
• What stops a sync?A sync stops before writing when more of its matched variants would drop to 0 than its limit allows. The default is 40%, set on the sync's settings.…
• Can I keep supplier details on my variants?Yes. A sync can write metafields on your variants (Operations plan and up): • the supplier's stock; • the next delivery date; • the supplier's name…