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How multichannel listings work

Once a sales channel is connected, SKU.io keeps a picture of everything you sell across every channel — and can be the single source of truth behind them. This page explains the moving parts.

Products and listings​

  • A product lives in your SKU.io catalog — one record, one SKU.
  • A listing is how that product appears on a channel — a Shopify listing, an Amazon listing. Each listing is linked to a product, so one product can have many listings across many channels.

SKU.io brings existing listings in when you connect a channel, matching them to your products by SKU.

Two views​

  • Live listings shows what's currently published on each connected channel — filter by channel to drill in.
  • Catalog coverage flips it around: your products, and where each one is (or isn't) listed — a matrix of products against channels. It's how you spot the gaps, which is why most of a fresh catalog shows as Not configured until you list it.

Who owns price and stock​

For each listing you decide the source of truth, separately for price and for stock:

  • SKU.io — SKU.io pushes its price / stock out to the channel.
  • The channel — SKU.io reads the price / stock from the channel.
  • Neither — you manage it manually on each side.

This is the listing's Master of Price and Master of Stock setting. A listing can also inherit these from the integration's defaults instead of setting them per listing.

Channel inventory in sync​

When SKU.io is the Master of Stock, it keeps each channel's quantity matched to your real on-hand stock. Channel Inventory is the reconciliation view: for every listing it compares your SKU Qty against the Channel Qty and flags whether they're In Sync, a Mismatch, or Never Synced — so a channel never oversells what you actually have.

Next steps​

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