Ecommerce Payment Gateways Explained (2026 Guide)

A UK store quoted a flat rate for card payments sells to a customer in Germany, and the interchange underneath that sale is 1.5% before the provider has taken a penny. The same card used by a customer in Manchester carries 0.3%. Nothing about the quote changed. The customer's country did.

That is the problem with how ecommerce payment gateway pricing gets sold. You are given one number, and an online store never has one card type, one country or one basket size. Your real cost is a blend, and the two things that move it most are the mix of cards your checkout actually sees and the share of sales that fail before they settle.

This guide explains how an ecommerce payment gateway charges, how to work out the blended rate for your own store, what your platform adds on top and which setup suits which kind of shop. If you want the mechanics first, how authorisation and settlement work step by step, read what a payment gateway is and how it works and come back.

What an Ecommerce Payment Gateway Does

An ecommerce payment gateway is the piece that sits between your checkout and the card networks. It takes the card details, encrypts them, sends the authorisation request to the customer's bank and returns an approve or decline to your store, usually inside two seconds. Everything else in your payment stack hangs off that one exchange.

You will see the same product written as an e-commerce payment gateway, an ecommerce credit card payment gateway or an ecommerce website payment gateway. They all describe the same thing, and providers use the labels interchangeably in their own marketing.

Gateway, Acquirer and Merchant Account

Three parts of an ecommerce payment gateway setup get confused constantly, and the difference decides who you apply to and who declines you. The gateway captures and routes the transaction. The acquirer is the licensed institution that holds the relationship with Visa and Mastercard on your behalf. The merchant account is where the money sits before it reaches your business bank account.

Some providers supply all three under one contract, which is why the terms blur. They remain separate approvals. A store can pass the gateway's technical checks and still be declined by the acquirer's underwriting, and that is the more common failure. If you have already been turned down, the high risk merchant account guide covers the route that stays open.

Why Online Card Payments Cost More

Every ecommerce sale is a card-not-present transaction. Nobody checks a chip or a signature, so the issuing bank carries more fraud risk and prices it in. Card-present retail in the EEA pays interchange of 0.2% on consumer debit and 0.3% on consumer credit. An online sale to the same customer pays the same capped rate domestically, but loses that cap the moment the sale crosses certain borders.

Online sales also carry chargeback liability differently. In a shop, the merchant who took a chip and PIN payment is generally protected against a fraud claim. Online, the merchant carries it unless the transaction was authenticated with 3D Secure, and even then only if the authentication was a full challenge rather than an exemption. That single rule shapes most of what follows in this guide.

Ecommerce Payment Gateway Pricing Explained

Every ecommerce payment gateway quote you receive is built on the same three layers: interchange, which goes to the customer's bank, scheme fees, which go to Visa or Mastercard, and the provider's own markup. Flat-rate pricing bundles all three into one number. Interchange++ shows you each layer and charges you the true cost plus a fixed markup.

Neither model is cheaper in the abstract. Which one wins depends on what your checkout sees, and for an online store that is rarely what the sales page assumes.

The Three Card Buckets That Set Your Rate

Card pricing splits into buckets, and the gap between them is far wider than the gap between ecommerce payment gateways. A store selling only to consumers in its own EEA market sits almost entirely in the cheapest bucket. A store selling internationally, or to other businesses, does not.

The commercial card row catches out more stores than any other. If you sell software, wholesale, professional services or anything a company buys on a corporate card, a meaningful slice of your volume prices at the expensive rate no matter which provider you sign with.

Interchange Under a UK to EU Sale

This is the single most expensive fact in cross-border ecommerce and it is almost never in the comparison tables. Shortly after the UK left the EU, Visa and Mastercard raised card-not-present interchange on UK to EEA consumer transactions from 0.2% and 0.3% to 1.15% and 1.5%. The UK's Payment Systems Regulator found that this costs UK businesses an extra GBP 150 million to GBP 200 million a year.

The regulator has been trying to cap it since. Visa, Mastercard and Revolut challenged the regulator's authority to impose a cap, and on 15 January 2026 the High Court in London ruled that the authority exists, clearing the way for a longer-term cap that is still being consulted on. Until it lands, the 1.15% and 1.5% figures are live costs.

What this means in practice is simple. On an Interchange++ deal, a UK store selling heavily into the EU pays that interchange straight through. On a flat rate, the provider absorbs it inside the 2.69% non-domestic bucket. For UK stores with real EU volume, the flat rate is often protective rather than expensive, which is the opposite of the usual advice.

Work Out Your Blended Rate

Take last quarter's transactions, split them into the buckets above, and weight the rates by volume. Two stores with identical revenue land in very different places.

The spread between the first and last row is EUR 3,850 a year on the same revenue, and no provider switch closes it. It is set by who buys from you. Knowing your blend is what lets you compare payment gateways for ecommerce on the number you will actually pay.

Fixed Fees and Average Order Value

The per-transaction fee is quoted in cents and ignored, which is a mistake for anyone selling low-value items. EUR 0.10 on a EUR 120 basket is 0.08% and irrelevant. The same EUR 0.10 on a EUR 12 basket is 0.83%, which is more than half the headline rate again.

Below roughly EUR 25 average order value, the fixed fee stops being a rounding error and becomes a line you negotiate. Above EUR 100, it barely registers and you should spend your attention on the percentage instead. Work out your own crossover before you compare ecommerce payment gateway quotes.

Ecommerce Payment Gateway Solutions Compared

Ecommerce payment gateways are not interchangeable. Binderr works with three providers and they solve different problems, so the right one depends on your card mix, your sector and how much of your volume crosses a border. Two of the three can be started from this page.

Paypercut: EEA Stores and Low Fixed Costs

Paypercut charges 1.29% plus EUR 0.10 on EEA consumer Visa and Mastercard, and 2.69% plus EUR 0.10 on everything else. There is no activation fee, no monthly fee, no subscription and no minimum, so the cost of being wrong is close to zero.

That structure suits stores whose volume sits mostly in the EEA consumer bucket, and stores small enough that a monthly fee would be a real percentage of the bill. It covers cards, digital wallets, buy now pay later, payment links and local payment methods through one integration, with multi-currency settlement.

It is not for everyone. Paypercut does not service adult entertainment, cannabis, chemicals and material processing, cryptocurrency and blockchain, or defence and arms. Check the exclusion list against your catalogue before you apply, because a decline is recorded.

Emerchantpay: Volume, Multi-Market and High Risk

Emerchantpay prices on Interchange++: the real interchange and scheme cost plus a 0.8% markup and GBP 0.13 per transaction. Fixed costs are GBP 100 a month and GBP 500 to set up, with GBP 0.35 per refund and GBP 23 per chargeback.

The markup is low enough that a store sitting mostly on capped EEA consumer interchange pays roughly 1.15% all in, which beats a 1.29% flat rate once the monthly fee is spread across enough volume. The crossover is around GBP 70,000 a month on a consumer credit mix, and lower on debit-heavy baskets. The full working is in our guide to the best payment gateways.

It is also the option for sectors a mainstream acquirer declines. Emerchantpay states high risk friendly on its own listing and holds Electronic Money Institution permissions across the UK, Malta, Spain, Ireland, Estonia, Germany and Cyprus. For gaming, forex, travel, subscriptions with high refund rates and similar, start with the high risk payment gateway guide.

IFX Payments: Cross-Border and Multi-Currency

IFX Payments is the option when the payment problem is really a currency problem. The gateway itself is listed as free, with card processing rates agreed directly rather than published, and it sits alongside multi-currency accounts, mass payments and FX on the same platform.

That combination matters for marketplaces paying out to sellers, brands settling in several currencies and any store where the FX margin on conversion is larger than the card rate. It is a UK Electronic Money Institution serving all non-sanctioned regions, and setup runs 7 to 10 business days rather than 2 to 3. Details are on the IFX Payments gateway page.

What Stripe and Shopify Payments Cost

Both are worth knowing as reference points even though neither is a Binderr product. Stripe in the UK charges 1.5% plus 20p on standard UK cards, 2.8% plus 20p on premium UK cards, 2.5% plus 20p on EEA cards and 3.15% plus 20p on international cards, with a further 2% when a currency conversion is involved and GBP 20 per dispute. There is no monthly fee.

Shopify Payments charges 2.9% plus 30 cents online on the Basic plan, 2.7% on Grow and 2.5% on Advanced. Those are the rates people quote when they say Shopify is expensive, and on a European consumer card mix they are roughly double what a specialist provider charges. The catch that makes it worse is in the next section.

Payment Gateway for Ecommerce Platforms

Your platform is not neutral in this decision. Some take a cut of every sale you process through anyone but their own product, and some change what compliance work you have to do. Both affect the real cost of a payment gateway for ecommerce more than most rate comparisons, and neither shows up in an ecommerce payment gateway quote.

Shopify and the Extra Platform Fee

Shopify charges a transaction fee on top of your provider's rate whenever you use a third party gateway rather than Shopify Payments. It is 2% on Basic, 1% on Grow, 0.6% on Advanced and 0.2% on Plus. That fee is charged in addition to whatever your gateway charges, and it does not appear in the gateway's quote.

On Basic, a 1.29% specialist gateway effectively costs 3.29% and Shopify Payments wins. From Grow upwards the specialist wins, and on Advanced and Plus it is not close. If you are on Basic and processing enough that payments matter, the plan upgrade often pays for itself out of the fee saving before you count any other feature.

Shopify Payments is also not available in every country, and where it is unavailable the third party fee still applies. Check availability for your registered country before you build the model, not after.

WooCommerce, Magento and Custom Checkouts

Open platforms let you use any ecommerce payment gateway services you like with no platform cut, which is their real financial advantage. What they hand you instead is a compliance choice about where the card details are typed.

A hosted or fully iframed checkout keeps card data entirely on the provider's systems, which puts you in the lightest PCI DSS category, a self-assessment questionnaire you complete yourself. Building your own form and posting card data through your server moves you into a heavier category with quarterly external scanning and a longer questionnaire. The cost difference is thousands a year and it is a decision made by a developer in an afternoon.

Take the hosted or embedded route unless you have a concrete commercial reason not to. Every serious ecommerce payment gateway offers one. The conversion difference between a well-built embedded field set and a self-hosted form is close to nothing, and the compliance difference is not.

Marketplaces and Multi-Vendor Stores

If money passes through you on its way to somebody else, you are not running a normal checkout. You need split settlement, where the provider pays each seller directly, or you need to be licensed to hold client funds yourself. Most stores discover this when an underwriter asks who owns the money between capture and payout.

Ask about split settlement and payout capability in the first conversation, not at integration. Providers that cannot do it will still onboard you and the problem surfaces later, when your balance is holding other people's money.

Ecommerce Payment Gateway Approval Rates

Merchants negotiate ecommerce payment gateway rates hard and ignore approval rates entirely, which is backwards. The approval rate is the share of attempted payments that the customer's bank actually accepts, and the money it moves is an order of magnitude larger than the money in a rate negotiation.

What a Two Point Approval Gap Is Worth

Card-not-present ecommerce typically runs an approval rate between 85% and 92%. Well optimised merchants reach 90% to 95%, and merchants using tokenisation and smart routing reach 91% to 96%. Cross-border and international cards run 5 to 15 percentage points below domestic rates because issuers apply tighter risk policies to them.

Put numbers on it. A store attempting EUR 500,000 of sales at an 88% approval rate collects EUR 440,000. At 90% it collects EUR 450,000. That two point gap is EUR 10,000 of revenue. Moving your blended card rate by 0.3% on the same volume saves EUR 1,500. The approval rate is worth roughly seven times the rate negotiation, and almost nobody asks about it.

So ask. Any serious ecommerce payment gateway will report your authorisation rate by card type and by issuing country, and will tell you what it does about declines. A provider that cannot show you the number is not measuring it.

SCA Exemptions and 3D Secure Friction

Strong customer authentication is required on most European online card payments, and every challenge screen loses some customers. The rules allow exemptions, and using them well is one of the largest conversion levers in an online checkout.

• Low value: transactions under EUR 30 can skip authentication, until five consecutive exempt payments or EUR 100 cumulative on the card, whichever comes first.
• Transaction risk analysis: up to EUR 100 where the acquirer's fraud rate is under 0.13%, EUR 250 under 0.06% and EUR 500 under 0.01%.
• Trusted beneficiary: the customer whitelists you after one authenticated payment, and later payments skip the challenge.
• Merchant initiated: subsequent subscription and instalment charges sit outside the rules once the first payment was authenticated.

There is a catch that providers gloss over. When an exemption is applied, there is no liability shift, so a fraud chargeback on that transaction is yours. Exemptions buy conversion and sell protection. Use them on low-value and low-risk traffic, and let the challenge run on the rest.

Retries, Network Tokens and Card Updater

Roughly 60% to 70% of card declines are recoverable rather than final, and about one in four retried transactions can be recovered when the retry is done properly. Properly means reading the decline code, waiting an appropriate interval and not hammering the issuer, which itself causes declines.

Two ecommerce payment gateway features matter more than the retry logic for subscription and repeat-purchase stores. Network tokens replace the stored card number with a token that updates automatically when the customer is reissued a card, and account updater services refresh expired credentials in the background. Without them, every card expiry is a cancelled customer who never chose to cancel.

Checkout data backs this up. Around 70% of carts are abandoned overall, and among shoppers who reached checkout and left, 19% cite not trusting the site with their card details, 17% found the process too long, 10% had a card declined and 9% could not find a payment method they wanted to use. Four of the top ten reasons are payment problems.

Ecommerce Payment Gateways for Cross-Border Sales

Selling into another country is where the neat model breaks. The card mix changes, the preferred payment method changes and a currency conversion appears that nobody priced. Ecommerce payment gateways handle this well or badly, and the difference is visible in your conversion rate within a month.

Local Payment Methods Beat Cards Abroad

Cards are no longer the default in most of Europe. Digital wallets accounted for 56% of global ecommerce value in 2025, and in Germany wallets reached 52% of online value. In the UK, cards are down to 46% of online spending. Offering cards only means competing for a shrinking half of the market.

• Netherlands: iDEAL, a bank-initiated transfer, has historically taken around 92% of online payments.
• Poland: BLIK, linked directly to bank accounts, processed over 420 million transactions in 2024.
• Belgium: Bancontact is the default domestic method and cards trail it.
• Sweden: buy now pay later accounts for 23% of online transactions, driven by Klarna.
• Germany: wallets and direct debit dominate, and credit card penetration stays low.

If you sell into these markets on cards alone, you are not losing on price. You are losing at the payment method selector, and 9% of checkout abandoners say the reason they left was that the payment method they wanted was not there. Check which local methods an ecommerce payment gateway supports in each market before you launch there.

Settlement Currency and FX Margin

Two conversions can happen on a cross-border sale and both cost money. The first is at checkout, if you price in the customer's currency but settle in yours. The second is at payout, if your provider settles in a currency your bank does not hold. A 2% conversion margin at each end turns a 1.29% card rate into something closer to 5%.

The fix is to settle in the currencies you actually sell in and hold balances in them, which is where an ecommerce payment gateway with real multi-currency capability earns its place. Ask what currencies the provider settles in, what the FX margin is on each and whether you can hold rather than convert. A provider that will not quote the FX margin is charging you a large one.

Pricing in the Customer's Currency

Showing prices in the shopper's own currency lifts conversion, and the size of the lift usually exceeds the conversion cost. The mistake is letting the card networks do it through dynamic currency conversion at the point of sale, where the margin is high and the customer sees it.

Price in local currency in your own catalogue, take the payment in that currency and manage the conversion once at settlement. It is cleaner for the customer, cheaper for you and it removes a surprise from the card statement that generates chargebacks.

Common Ecommerce Payment Gateway Mistakes

These are the ecommerce payment gateway mistakes that cost real money, in the order they usually happen.

1. Comparing headline rates across providers. The rate applies to one card bucket. Compare blended rates on your own last quarter or you are comparing nothing.
2. Ignoring the platform's transaction fee. A 1.29% gateway on Shopify Basic costs 3.29%. The platform cut belongs in the comparison from the start.
3. Applying to a provider that excludes your sector. A decline is recorded and the next underwriter sees it. Read the exclusion list before you submit, not after.
4. Treating the fixed fee as a rounding error. At a EUR 12 average order value, EUR 0.10 is 0.83%. Below EUR 25 it is a negotiating point.
5. Never asking about the approval rate. Two points of approval is worth roughly seven times a 0.3% rate cut on the same volume.
6. Applying SCA exemptions everywhere. Exemptions remove the liability shift. Use them on low-value traffic, not on the risky basket sizes.
7. Launching in a new market on cards only. In the Netherlands, Poland and Belgium the domestic method beats cards outright, and 9% of abandoners left because their method was missing.
8. Leaving the company and banking until last. Every provider underwrites a registered entity with a settlement account. Doing the company, the bank and the gateway in sequence adds weeks.

Ecommerce Payment Gateways: The Short Version

If you read nothing else, this is the decision.

Then do the two things that matter more than the choice of ecommerce payment gateway itself. Work out your blended rate from your own transactions rather than a headline number, and ask every provider for their authorisation rate by card type and issuing country before you sign.

If the company and the bank account are not in place yet, do them together with the gateway rather than in sequence. Our guides on setting up a company and registering a company online cover the first step, and the payments application can run alongside it rather than after.