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A wholesale or marketplace partner reading your stock feed assumes it reflects what's on the shelf right now, not what was on the shelf before the till rang through the last sale. If the store sells faster than the feed updates, the partner is working from a number your own shop floor already disproved. This page covers EDI for point of sale platforms, where the till is the first place stock actually leaves.

Castore
Lounge
Oliver Bonas
Green People
Tatty Devine
Cult

Till to feed

Why does the partner's feed show stock we've already sold?

The till clears a unit before the feed has a chance to say so.

  • A partner confirms an order against a quantity the shop floor sold an hour earlier.
  • The cancellation that follows lands on the partner's desk, not ours.
  • Store staff hear about it from a customer, not from any system.

A reservation made for browsing never shows up as released.

  • Stock held for a till transaction stays locked after the sale completes or the customer walks away.
  • The partner sees less availability than actually exists, and buys elsewhere.
  • Nobody can say how long a reservation is meant to last.

Two systems publish two different counts for the same unit.

  • Store staff keep a running spreadsheet because they stopped trusting the feed months ago.
  • A manual upload overwrites whatever the POS just published.
  • The partner's out of stock message doesn't match the one on the shop floor.

Who actually keeps the feed honest once it's live?

Cogent² sits between the till and the partner, publishing the sale the moment it clears and watching for the gap where a reservation should have released but didn't. The work is wired through Patchworks so a sale decrements the shared pool once, not once per channel.

Publishing the sale as it happens

A till transaction decrements the shared stock pool straight away, and the republished figure goes out to every channel reading from the same source, not just the one that sold it.

Watching the reservation window

Cogent² AI flags units held past a reasonable browse or checkout window, so a reservation that should have cleared doesn't sit there quietly understating what's actually sellable.

Point of sale platforms we cover

Each page covers the documents and the failures specific to that platform.

Which message carries the real number?

A POS account rarely ships anything through EDI, so the document that matters here is the inventory advice, not the ASN. What matters is cadence and source: who republishes after a sale, how fast, and whether the reservation logic behind in-store browsing is accounted for before the figure goes anywhere a partner can see it.

  • X12
  • EDIFACT
  • AS2
  • SFTP
  • Cloud storage

What do POS buyers ask before they commit?

Lightspeed, NewStore POS and Sitoo all sit on this page. How do we work out which one is actually running our stores?

Start with where the sale is recorded first, not where reporting happens. Whichever system clears the till transaction and holds the reservation logic for store browsing is the one whose page governs this problem, and its own page covers the detail that applies to it specifically.

We run two store systems across different parts of the estate. Does the stock figure we send a partner have to come from both?

Yes, if both decrement from the same shared pool. One system publishing while the other stays silent means the partner is only ever seeing half the picture, and the half they're missing is the half that's actually selling.

A partner's order window closes shortly after our stores shut for the day. Can the figure we send them still be current by then?

It can, if the last till sale of the day is published before the window closes rather than batched overnight. The gap to check is between closing time and whatever time the feed actually refreshes.

Does running EDI alongside a till system mean hiring a retail systems developer?

No. The mapping between the till's sale event and the partner's feed is configuration work Cogent² carries, not a role your store operations team needs to fill.

We already use a provider to file EDI for our ecommerce side. Does bringing store sales into the same feed mean replacing them?

Not necessarily. The question is whether that provider can read a till sale the moment it clears and treat it as the same event type as an online order. If it can, it stays. If it can only work from a nightly batch, the gap it leaves is the one this page is about.

What do we need to hand over before store sales start decrementing the partner's feed correctly?

A clear answer on how long a browsing or checkout reservation should hold stock before it releases, and confirmation of which system is the single source for the shared pool. Without those two, the feed has nothing reliable to publish from.

Need help with this?

Talk to a Cogent2 operator who has actually delivered this work. We will help you scope, plan and ship — without the agency overhead.