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How do prepaid return shipping labels work?

A prepaid return label is a shipping label the seller pays for in advance, so you can send an item back without buying postage yourself. The seller either pays when creating it or only when you actually ship it. Attach it to the repacked item and drop it off. Many carriers now accept a QR code on your phone instead of a printed label.

ModelWhen the seller paysHow you use itWatch out for
Label in the boxAt purchase time, included with the original shipmentStick it on the repacked box and drop it offIt may expire: check the date before the return window closes
Pay-at-creation labelWhen the seller generates it for your return requestPrint the emailed PDF or show the QR code at the counterThe seller paid whether or not you ship it, so do not request one idly
Scan-based labelOnly when the carrier first scans the parcelSame as above: the label is free to create and costs the seller only on useThe seller can usually cancel it any time before first scan
QR code returnAt creation or at scan, depending on the programShow the code at a carrier counter; they print the label for youOnly works at staffed locations, not at drop boxes or lockers

What is the difference between scan-based and pay-at-creation?

It is about when the seller's money moves. With pay-at-creation, the postage is bought the moment the label exists, and the seller pays even if you never drop the parcel off. With scan-based, the label is just an authorization: the seller is charged only when the carrier scans the parcel into the network. Scan-based is the friendlier model for sellers because unshipped returns cost them nothing, and it is the friendlier model for you too, because the seller has no reason to rush or restrict it. You cannot tell which model a label uses by looking at it: the barcode looks the same either way. If a seller tells you the label "expires" quickly, that is a hint it is pay-at-creation and they do not want to eat the cost of a label you never use.

Do I need a printer for a return?

Often no. QR code returns exist precisely for people without printers: the seller or marketplace emails you a code, you show it at a staffed carrier counter, and the clerk prints the label and sticks it on for you. Canada Post, UPS, and FedEx all support some form of this. The limitation is location: QR codes need a staffed counter, so a 24-hour drop box or an unstaffed locker bank will not work. If the seller only emailed you a PDF and you have no printer, ask whether they can convert it to a QR code, or print it at a library or office-supply store. Do not hand-write the return address on the box and skip the label: the barcode carries routing data that handwriting cannot replace.

How long are return labels valid?

It depends on who issued it. Marketplace return labels often carry a validity window of a week to a month from issue, while carrier-issued return authorizations can last a year. The expiry is separate from the seller's return window: a label can be technically valid after the seller stops accepting the return, and an unexpired label does not extend a return policy. If you are returning something close to the deadline, generate or request the label early and check both dates. An expired label scanned at a counter will simply be rejected, and you will be buying your own postage.

Who pays if the return weighs more than expected?

The seller does, on a prepaid label, but with a caveat. Prepaid return labels are usually created with an estimated weight, and the carrier bills the seller on the actual scanned weight. If you return the item in its original packaging, the estimate is right. If you add items, upgrade to a bigger box, or pack it with heavy extras, the seller gets billed for the difference, and some sellers deduct that from your refund. Pack it the way it arrived and you avoid the whole question.

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LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

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