The verdict, up top. Use a QR code when the customer is not standing in front of a reader: on an invoice, in a pay-ahead flow, at a stall with no terminal. Skip it as a substitute for tapping at your own counter — it routes the sale into a more expensive fee category, depends on the customer’s phone and data connection instead of yours, and gives up the flat, cheap Interac debit pricing that in-person acceptance offers. There is also a Canadian fact most coverage skips: in the Canadian sources checked for this guide on October 25, 2026 — Square’s Canadian pages, Capterra Canada’s Square listing, the Canadian Digital Adoption Program’s Square document, and Swipesum’s Square fee table — no Interac QR product for in-person checkout appears at all. Interac shows up as debit acceptance and e-Transfer. A QR sale in those sources runs on card rails, every time. General information only — not financial advice. Rates change; confirm your own plan’s pricing before acting.
Three products hide behind the words “QR payments”
First, the payment-link QR. This is the counter sticker most small businesses mean. Square’s Payment Links product, as Capterra Canada describes it, creates links and QR codes that take the customer to a checkout page asking for name, email and payment information. The QR code is packaging. The transaction underneath it is an online card sale — card-not-present, with the fraud profile and the fee category that follow from that.
Second, QR ordering. The Canadian Digital Adoption Program’s document on eligible Square products for restaurant businesses describes Square Online supporting self-serve ordering via contactless QR codes: the customer scans a table code, orders, and pays inside that flow. That is a restaurant ordering system that happens to end in a payment, not a general-purpose way to take money at a till. The document lists Square Online’s free plan at $0 a month, with hardware priced separately.
Third, crypto QR. Swipesum’s Square fee table lists in-person Bitcoin payments by QR as its own line — a separate product from card payment links, with its own pricing in a US table. It is not a Canadian small-business checkout method in any practical sense, and it is excluded from the math below rather than blended into it.
Keeping the three apart matters because articles that merge them quote the wrong fees for the wrong product. A merchant who reads about QR ordering and prints a payment-link code for the counter has bought the first product while expecting the second one’s job.
Spec check: the Canadian rate is not the rate most pages quote
Search this topic and the figure that repeats is 3.3% + 30 cents for Square payment links. Capterra Canada’s listing states it — no contracts, monthly fees or start-up costs, at 3.3% + 30 cents per transaction — and Swipesum’s fee table states the same number for online checkout and invoices on Square’s free plan. Both were checked on October 25, 2026. Neither matches Square’s own Canadian fees page.
| Rate, as published | Figure | Source and check date |
|---|---|---|
| Square Canada — online transactions (the category a payment-link QR sale falls into) | 2.8% + 30¢ | Square’s Canadian fees page; research-store checked October 11, 2026, re-checked October 18, 2026 |
| Square Canada — manually entered (keyed) transactions | 3.3% + 15¢ | Square’s Canadian fees page; same check dates |
| Square Canada — in-person credit (tap, insert, swipe, Tap to Pay) | 2.5% | Square’s Canadian fees page; same check dates |
| Square Canada — Interac debit, in person | 0.75% + 7¢ | Square’s Canadian fees page; same check dates |
| Square Online Checkout / Payment Links, third-party listing | 3.3% + 30¢ | Capterra Canada listing and Swipesum fee table, both accessed October 25, 2026 — neither is Square’s Canadian page, and the figure appears to blend the keyed percentage with the online fixed fee |
Two cautions ride on that table. Some Square Canada product pages quote 2.65% for in-person credit and 2.9% + 30 cents for invoices — different numbers again, on Square’s own site. When Square’s pages disagree, the fees page is the reference: it is the page whose job is pricing.
The standard Square terms behind the fees-page figures carry no monthly processing fees, setup fees or long-term contracts, with next-business-day deposits included and instant transfers priced at 1.5%. Budget from the fees page, and treat any other number — including the ones in this paragraph — as a prompt to re-check it.
Worked example — the same sale, two doors. Using the Canadian fees-page rates above. A $10 sale through a payment-link QR costs 2.8% + 30¢ = 28¢ + 30¢ = 58¢, a 5.8% effective rate. The same $10 tapped in person on credit costs 2.5% = 25¢. Taken in person on Interac debit it costs 0.75% + 7¢ = about 15¢. At $25: link $1.00, tap 63¢, debit about 26¢. At $50: link $1.70, tap $1.25, debit about 45¢. At $100: link $3.10, tap $2.50, debit 82¢. Read the pattern, not just the rows: the link’s fixed 30 cents is 3% of a $10 ticket before the percentage is even applied, which is why QR-at-the-counter gets more expensive as tickets get smaller — the opposite of what a counter tool should do. A stall taking 200 link payments a month at a $15 average ticket pays about $144 in link fees against about $75 for the same sales tapped on credit. The $69 gap buys nothing; the customer did the typing.
Why there is no Interac QR at the Canadian till
Readers reasonably expect one. Interac is the domestic debit network, its name is on the card in most Canadian wallets, and QR-based domestic debit schemes are common in other countries — so a Canadian “Interac QR” sounds like a product that should exist. In the source set checked for this guide, it does not. Square’s Canadian material prices Interac as in-person debit acceptance — tap, insert or swipe at 0.75% + 7 cents — and presents its QR offer as a link to a card checkout. The CDAP document’s QR is restaurant ordering. Swipesum’s QR line is Bitcoin. Nobody in the set sells a scan-to-pay Interac transaction for a physical checkout.
The practical consequence is about price, not patriotism. In-person Interac debit on Square’s Canadian pricing is the cheapest card acceptance in the table above — about 15 cents on a $10 sale. A payment link cannot access that pricing, because the sale never touches the debit network as a card-present transaction; it is processed as an online card payment instead. Every customer a counter QR code diverts away from tapping a debit card is a sale moved from the cheapest rail to a more expensive one. That, more than the percentage gap on credit, is the hidden cost of the sticker.
Where a QR code genuinely fits
None of this makes the code useless. It makes it specific.
Invoices and remote payment. A customer who is not in the room cannot tap your reader. A payment link — sent directly, or printed as a code on the invoice itself — gives that customer a card checkout with no terminal, no phone call, and no card number read aloud. Priced at the online rate, yes, but the alternative is a cheque, a delayed e-Transfer, or a keyed transaction at 3.3% + 15 cents, which is worse on most tickets.
Pay-ahead and pickup. The restaurant ordering flow in the CDAP document is the template: the customer orders and pays before the handoff, so the counter interaction shrinks to passing over a bag. Where the queue is the bottleneck, paying the online rate to delete the payment step from the line can be a rational trade — priced knowingly, per the table above.
Selling with no terminal at all. An occasional seller — a fundraiser table, a one-weekend pop-up — may rationally accept link pricing to avoid buying hardware for two days of use. The math flips when the selling becomes regular: readers and phone-based tap acceptance exist precisely so that recurring volume stops paying card-not-present rates.
Limits, connectivity, and the sticker problem
The connection moves to the customer. A card reader fails on your connection, which you can fix, hotspot, or work around. A payment-link QR fails on the customer’s phone: no data, a dead battery, or a weak signal in a concrete market hall all stop the sale, and the merchant watches it happen with no fallback except taking the payment some other way. Any setup that relies on printed codes needs that other way planned in advance.
Limits are practical before they are formal. The packet of sources checked for this guide publishes no per-transaction cap specific to Square payment links in Canada, and this guide will not invent one. The operative limits are the cardholder’s own card limits and the reality that a checkout page asking for name, email and payment details — Capterra’s description of the flow — is friction a $200 sale tolerates and a $6 sale often does not. Capterra’s listing also carries reviewer reports of chargebacks on link payments; card-not-present sales are the category where that risk concentrates, which is part of why they are priced as they are.
A printed code can be replaced. No Canadian incidence statistic for QR sticker tampering was found in the sources checked, and none is claimed here. The risk is mechanical rather than statistical: a printed code is a sticker, a sticker can be covered by another sticker, and the replacement points wherever its printer chose. The countermeasure is a routine, not a purchase:
- Scan your own codes weekly. Every printed code in the business, scanned with your own phone, and the destination page checked against the real checkout. Success check: every code lands on your own payment page, showing your business name — any other result means the code comes down immediately.
- Put codes where staff can see them. A code in direct view of the counter is harder to cover than one on an unattended sign, a washroom door, or an outdoor post. Success check: no live payment code sits outside staff sightlines.
- Reconcile the destination, not just the total. Link payments settling to an unexpected page or descriptor get caught by checking that a test payment lands in your own account. Success check: a $1 self-payment, run after any reprint, arrives in the right place.
Common questions, answered briefly
Is a QR payment cheaper than a card machine? No, on Square’s Canadian pricing — the link sale is the more expensive transaction at every ticket size in the worked example, and the gap widens as tickets shrink. Does the customer need an app? The flow in the sources is a web checkout page, reached from the code — the requirement is a phone with a camera and a data connection, which is exactly the dependency to plan around. Can a QR code take Interac debit? Not in the Canadian products checked for this guide; Interac pricing applies to in-person debit acceptance, and the link checkout is a card transaction. Is the 3.3% + 30 cents figure wrong? It is a real published figure on third-party listings accessed October 25, 2026 — it is just not what Square’s own Canadian fees page publishes for online transactions, which is 2.8% + 30 cents. When a listing and the provider’s pricing page disagree, budget from the pricing page.
Print the code, or take the tap?
The decision reduces to where the customer is standing. Not present, or paying ahead: the link and its code are the right tool, priced at 2.8% + 30 cents on Square’s Canadian page, and the honest comparison is against keyed-in pricing or not making the sale. Present, at a counter, with a reader or a phone that can take a tap: the tap wins on every row of the math — 2.5% on credit, about 15 cents for Interac debit on a $10 sale — and it keeps the connection, the authentication, and the cheapest Canadian rail on your side of the counter. A QR code is a good envelope. It is a poor till.
— Dex Carter, Tech Writer
Sources, accessed October 25, 2026: Capterra Canada, Square Online Checkout / Payment Links listing (capterra.ca); Swipesum, “Square Fees Explained” (swipesum.com); Canadian Digital Adoption Program, “Eligible Square Products for Restaurant Businesses” (ctfassets.net PDF). Canadian rates from the FeeDecoder research store: Square’s Canadian fees page (squareup.com/ca/en/payments/our-fees), checked October 11, 2026 and re-checked October 18, 2026 — in-person credit 2.5%, online 2.8% + 30¢, manually entered 3.3% + 15¢, Interac debit 0.75% + 7¢, no monthly processing fees on standard pricing. General information only — not financial advice.