Automatic Shipping Labels (EasyPost)

Zelph can automatically generate shipping labels for every seller order — saving your sellers the manual step of buying labels themselves and ensuring you maintain consistency across the network. Labels are powered by our EasyPost integration, so you can use any carrier EasyPost supports.

Automatic Label Generation is part of the Zelph Seller Network, available on the Consignment plan. Find it under Settings > Seller Network > Automatic Labels.

How it works

When a seller’s item sells, Zelph generates the appropriate shipping label and includes it in the seller’s order notification email. The seller prints, packs, attaches the label, and dispatches.

Two flows, depending on the seller’s trust status:

  • Trusted Seller — Label is generated from the seller’s address to the customer’s address. The seller ships direct. The return-to slot uses your Trusted Seller Return Address.
  • Non-Trusted Seller — Label is generated from the seller’s address to your selected authentication location. You receive the stock, authenticate it, and then forward to the customer using your own fulfilment.

EasyPost integration

Zelph uses EasyPost as our shipping platform. This means:

  • You can integrate any carrier EasyPost supports — Royal Mail, DHL, UPS, FedEx, DPD, USPS, and many more.
  • If you have a carrier account with rates negotiated directly with the carrier, you can plug those rates in via EasyPost and Zelph will use them.
  • If you don’t, EasyPost provides default carrier accounts you can buy labels through.

To connect your own carrier account, set up the account in EasyPost first and then send us the carrier account ID so we can attach it to your workspace.

Setting it up

  1. Open Settings > Seller Network > Automatic Labels.
  2. Turn on Enable Automatic Label Generation.
  3. Set Default Parcel Dimensions:
    • Length (cm), Width (cm), Height (cm)
    • Weight (g)
    These dimensions are used for every auto-generated label unless overridden per item. Use a sensible default for the parcel type you ship most often (e.g. a shoebox: 33 × 18 × 10 cm at 1,417 g).
  4. Choose a Non-Trusted Seller Destination:
    • This is the location that non-trusted sellers ship to. Pick one of your authentication locations.
    • Trusted Sellers don’t use this — they always ship direct to the customer.
  5. Click Save.

What sellers see

When a sale happens, the seller receives an email notification that includes:

  • Order details (customer, product, quantity).
  • The shipping label as an attachment, ready to print.
  • The destination address pre-set based on their trust status.
  • A reminder of the parcel dimensions used.

They just need to print, pack, and dispatch.

What if a parcel doesn’t match the default dimensions?

Default Parcel Dimensions are a starting point. For oversized or unusual items, you can adjust on the order before the label is purchased, or work with the seller to handle non-standard items manually. The defaults cover the vast majority of seller orders.

What about returns?

Auto-generated labels include the right return-to address for the order type:

  • Trusted Seller orders → return-to = your Trusted Seller Return Address.
  • Non-Trusted Seller orders → the customer was always shipping from your warehouse, so returns go to your warehouse directly.

This way, you stay in the return loop even when sellers ship direct.

When labels are not auto-generated

  • Turn off Enable Automatic Label Generation if you’d rather sellers buy their own labels.
  • If your EasyPost integration is mis-configured (invalid carrier account, missing API key), label generation will silently fail — check the order’s logs and contact support@zelph.com if you spot it.

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