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KNKTD OSKNKTD OS

Software built for fashion brands.

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© 2026 KNKTD OS · All rights reservedBuilt for fashion brands, wherever they ship.
Shipping & returns

Labels, manifests and returns in one place.

Carrier rules pick the service, labels print in batches, manifests close the day, and returns run from received to refunded.

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atelier-nord · Shipments
ANAtelier Nord
DashboardAnalytics
PLMStylesTrackerBoards
WMSProductsInventoryPurchase Orders
OMSOrdersShipmentsReturns
PlanningMarkdownInventory demand

An example of KNKTD OS choosing a carrier and service by rule, buying the label in a batch and closing the manifest, and a return being received and refunded.

OMS · SHIPMENT · #AN-1047Canada Post · Tracked Packet USA
  • Carrier ruleUnited States · Standard
  • Label bought · batch 15$14.20
  • Manifest · 23 parcelsScanForm closed 5:40 pm
Return · #AN-1039 · Satin Slip Dress · Ivory · XSToo small
  1. Requested
  2. Received
  3. Refunded

Your carriers, your rates.

Connect the carrier accounts you already have and set rules for which carrier and service each order ships with.

  • Canada Post, UPS, FedEx, DHL, USPS and more through EasyPost, plus YunExpress and UniUni direct
  • Carrier rules by destination country, shipping method and location
  • Addresses checked before a label is bought, with a suggested fix

Labels by the batch.

Buy the day’s labels in one numbered batch and print them as a single PDF, then close the manifest.

  • Batch labels in one combined PDF, and void a batch if you need to
  • Combine orders going to the same address into one parcel
  • Canada Post ScanForms and UniUni close-outs at the end of the day

Customs filled in for you.

HS codes per destination country, the declared-value basis and DDP or DDU travel with each international label.

  • Tracking pushed back to the Shopify fulfilment
  • Reship from an existing shipment in a few clicks
  • Carrier charges checked against the label price

Returns, start to refund.

Approve a return, send a return label, then refund it or issue store credit and restock it to the bin you choose.

  • Return routing by country: your carrier, or the customer provides the label
  • Refunds and store credit processed in Shopify
  • Returns that are never sent back can be expired

Works with

  • EasyPost
  • YunExpress
  • UniUni
  • Redo
All integrations

Questions

Do I use my own carrier accounts?+

Yes. Labels are bought on your own EasyPost, YunExpress or UniUni account, at your negotiated rates.

Does KNKTD OS choose the carrier for me?+

Your carrier rules do. You set them by destination, shipping method and location, and each label is bought with the carrier and service the matching rule names. KNKTD OS does not compare carrier prices for you.

Do I need a returns app?+

No. Returns run natively as Shopify returns. If you already use Redo, KNKTD OS syncs with it instead.

Are refunds pushed to Shopify?+

Yes. Finalising a return refunds the customer, or issues store credit, through Shopify.

Is shipping included in every plan?+

Yes. All four plans include every module, from $100 to $500 a month. Plans differ only by how many team members you can add, and every plan starts with a 14-day free trial.

Further reading

  • 24 August 2026Shopify order fulfilment software for fashion brands: routing, labels, manifests and returnsFrom the Shopify webhook to the parcel and back: orders routed by rule, labels bought in batches from EasyPost or YunExpress, manifests closed daily, and returns that end in a refund or store credit.

Works alongside

  • Orders & fulfilmentShopify orders routed, picked and scan-checked
  • Markets & landed costPrices per market with duties included
  • Analytics & financeSales, margin, profit and loss and payouts

See it on your own catalogue.

Fifteen minutes, on your products, with the team that builds KNKTD OS.

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