Glossary
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discount-voucher
Discount voucher: definition, types of discounts, promo code vs gift card, Shopify creation and useful margin tips.
Updated on
June 4, 2026
A discount voucher is a commercial benefit granted to a customer in the form of a code, coupon, or promotional link. It can offer a percentage discount, a fixed amount, free shipping, or a free product under certain conditions. In e-commerce, it is used as much to trigger a first order as to build loyalty with an existing customer or to recover an abandoned cart. Its effectiveness depends mainly on its profiling: duration, minimum amount, exclusions, and impact on margin.
Summary
Definition of the coupon
The discount voucher formalizes a commercial promise: "by presenting this voucher, you benefit from X". Common formats:
In practice, this mainly covers alphanumeric codes (e.g. WELCOME15) in an email or a promotional banner; printable coupons with a QR code or barcode scannable in-store or online; paper vouchers inserted in a package (after-sales service, loyalty, sponsorship); and unique, single-use vouchers generated by CRM or loyalty apps.
Useful distinctions:
In practice, this mainly covers Discount voucher vs promo code: the voucher is the medium or the right; the promo code is the technical mechanism entered in the shopping cart. In practice, the terms overlap; Discount voucher vs discount: the discount is the discount rule in Shopify; the voucher is its distribution to the customer; Discount voucher vs gift card: the gift card has a prepaid monetary value; the voucher grants a discount on an order (often a % or amount); Discount voucher vs coupon: coupon is the equivalent Anglo-Saxon term (often digital); and Displayed discount vs voucher: crossed-out price on a product sheet = open promotion; voucher = conditional advantage (code, date, minimum cart).
The discount voucher must be considered as a commercial management tool, not as an improvised discount. Its configuration determines whether it actually stimulates the purchase or whether it unnecessarily reduces profitability.
Why discount coupons remain an effective marketing tool
Vouchers structure acquisition, retention, and re-engagement without permanently lowering the value of the entire catalog.
In practice, this mainly covers Conversion: encouraging a hesitant shopper to finalize a cart (abandonment email with a voucher); Acquisition: welcome offer after newsletter signup; AOV: "$10 off from $80" voucher pushes to complete the cart (AOV); Loyalty: birthday voucher, VIP milestone, referral reward; Seasonality: BFCM campaigns, sales, launches; and Measurement: dedicated code = channel traceability (influencer INFLU20 vs email EMAIL10).
Watch out for the margin: an improperly calibrated voucher erodes gross profit. Simulate the impact before mass distribution, especially on low-margin bestsellers.
In an e-commerce glossary context, the challenge is therefore to understand the concept, but also its concrete effects on conversion, internal organization, margin, or the quality of the customer experience.
Voucher formats and common uses
Discount types associated with vouchers:
In practice, this mainly covers Percentage: -15% on orders or collections; Fixed amount: -10 € on baskets > 60 €; Free delivery: equivalent to a free shipping voucher; Free product: BOGO, sample, threshold gift; and Single-use vs. multi-use (shared code vs. personal voucher).
Use case: a wellness brand sends a "RECONNECT10" voucher (-10%, valid for 7 days, 1 use per customer) in the D+1 email after cart abandonment. The customer returns, enters the code at checkout, and orders €68 instead of €75. The merchant tags the order as "recover_cart" in analytics. A second voucher "THANKYOU20" is reserved for customers who have already ordered twice (loyalty segment), and cannot be combined with RECONNECT10.
This type of case shows that a technical or marketing concept only has value if it is linked to a specific use: a better journey, a more reliable decision, better-controlled costs, or a clearer experience for the buyer.
Create and manage discount codes on Shopify
Shopify manages vouchers via Discounts: codes or automatic discounts (Shopify Help Center).
In practice, this mainly covers Discount Codes: percentage, amount, free shipping, Buy X Get Y; Automatic Discounts: applied without a code (cart > $X); Conditions: minimum amount, eligible collections, usage limit, start/end dates; Combinations: choose if stackable with other promos or free shipping; and Shopify Email / Flow: automated sending of the voucher (marketing automation).
Apps (Smile, LoyaltyLion, etc.) generate unique vouchers per customer. For influencers, create a code per partner to measure sales. Check the display at checkout: the "promo code" field must be visible without excessive friction (too hidden = frustration; too prominent = systematic expectation of a discount).
France / EU regulations: honest reference price, readable dates, and conditions (DGCCRF). Mention exclusions (brands, sales) in the T&Cs or the promo page.
On Shopify, the logic generally consists of starting with native features, and then supplementing with a theme, an app, or an integration only when the business need justifies it.
Points of vigilance to preserve the margin
In practice, this mainly covers: limiting duration and usage to create a sense of urgency without abuse; distinct codes per channel to measure ROI; minimum basket size if the discount must protect the margin; excluding already discounted products if your policy requires it; testing the user journey: valid code on mobile and desktop before mass email sends; and aligning communication: the same offer on-site, in ads, and in emails.
Points of vigilance:
In practice, this mainly covers: generic code leaking on Reddit or Honey (undesired discounts); stacking promotions which makes the order unprofitable; expired voucher still advertised in banners; 30% discount on the entire catalogue without a threshold (collapsed margin); gift box code confused with a discount voucher in customer service; and no usage cap on viral influencer codes.
The best practice is to document the rules, test changes on a limited scope, and verify their actual impact before rolling them out to the entire store.
In summary
In practice, this mainly covers Discount voucher = right to a discount or advantage, often via a code; Distinct from gift cards, technical discounts, and permanent crossed-out prices; Levers: conversion, AOV, loyalty, measurement by channel; Shopify: codes, automatic discounts, conditions, Email Flow; and Calibrate margin, duration, accumulation; avoid uncontrolled public codes.
The essential thing is to link this concept to a concrete use: selling better, measuring better, organizing the shop better, or reducing friction in the customer journey.
Associated terms, FAQ, and useful resources
Associated Terms
Promo code: technical entry at checkout.
Discount: discount rule in the store.
Coupon: common English equivalent.
Psychological pricing: articulation of promo and price perception.
FAQ
Discount voucher and promo code: what is the difference?
The discount voucher is the right or physical/digital medium offered to the customer. The promo code is the string entered online to activate the discount. A paper voucher can contain a QR code leading to the promo code.
Can multiple vouchers be combined?
On Shopify, you configure the allowed combinations between codes and automatic discounts. Generally, limit accumulation is advised to protect margins.
How to create a voucher on Shopify?
Admin > Discounts > Create discount > Discount code. Define value, dates, minimum order, collections, and number of uses.
Is a discount voucher a gift card?
No. The gift card is a preloaded payment method. The voucher grants a discount on an order; it does not replace the payment of the remaining balance.
Go further
Sources: Shopify Help Center (Discounts), DGCCRF (commercial practices and promotions).
Enzo
June 4, 2026
