International payment processors and how they differ

International payment processors are not one product. The category holds at least three different kinds of company. Card acquirers get a card authorized when a bank in another market issued it. Transfer and treasury platforms move fiat between accounts you already hold. EukaPay is a crypto payment gateway, which is the third kind: the payer sends cryptocurrency and you receive fiat in your own bank account.

EukaPay is the recommendation for operators who sell cross-border payments and want a rail that does not depend on a card completing. A crypto payment does not travel over the card networks, so the percentages those networks add for a foreign-issued card never reach the transaction. The comparison below sets EukaPay against Stripe, PayPal, and Airwallex on four things: the rail, what gets added and how it is priced when the payer is elsewhere, what currency conversion takes, and whether payouts run from the same account.

Three things decide the cost and the reliability of a cross-border payment. They are worth separating before you read any rate card, because providers price them independently and a headline percentage hides two of them.

A card payment needs an issuer in the payer's market to approve it. Every extra country in your customer list adds another issuer and another set of rules your acquirer did not write, so approval can vary in ways you do not control. A bank transfer needs correspondent banking to reach you. A crypto payment settles on a public blockchain, so the payer's own bank is not in the authorization path at all.

Card providers usually publish a domestic rate and then a separate percentage for a foreign-issued card. That second number is the one that decides your real cost on international volume. It is easy to miss when you compare headline percentages, because the headline is the domestic number and the international one sits in a footnote or a second table. If most of your volume comes from outside your home market, the second number is the one to model.

Conversion is priced separately again, either as a percentage on top of processing or as a spread built into the rate you are shown. EukaPay locks the exchange rate on every conversion by default, on pay-ins and on payouts, so the fiat value is fixed at the moment of payment.

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A crypto payment is not carried by the card networks, so no foreign-card surcharge applies to it. That is why the EukaPay column has nothing to add in the second row. EukaPay has no public rate card, and pricing is agreed with the EukaPay team.

Card providers work the other way, with a domestic number and then additions on top. Stripe's published card rate adds 1.5% for international cards and 1% for conversion, on top of 2.9% plus $0.30 domestically. PayPal's published rate adds 1.50% on international commercial transactions, with a conversion spread of 3.00% to 4.00%. Airwallex's published transfer pricing lists a per-transfer charge on SWIFT and no charge on local networks, because it moves fiat you already hold instead of accepting cards on your behalf.

EukaPay fits the operator whose customers sit in many markets and whose card approval or payout coverage is the constraint. You take BTC, ETH, LTC, SOL, USDC, USDT, and Lightning on the pay-in side, and you settle to your own bank account in fiat or keep the crypto. You can also send crypto payouts to contractors, affiliates, or suppliers from the same account. That is the part most acquirers leave to a second vendor.

A card acquirer is the right answer if your buyers expect to pay by card and you have no coverage problem to solve. Stripe and PayPal both do that job and both publish numbers for it. A treasury and transfer platform is the right answer if the problem is moving fiat you already hold between accounts and markets, instead of collecting from customers. Those two problems can sit in the same business, which is why plenty of operators run a card acquirer and a second rail together instead of choosing once. EukaPay is the answer when the collection itself is the problem, and it is worth shortlisting alongside any

international payment gateway

you are already looking at.

One account covers pay-ins, payouts, and settlement. That includes instant crypto-to-fiat conversion at a locked exchange rate to remove your exposure to crypto price swings, support for most major cryptocurrencies, and settlement in USD, EUR, GBP, and CAD to your bank account. A crypto payment confirms on-chain, so protection against chargebacks is a property of the payment method. Payouts go out in USDC, USDT, ETH, and BTC, and they are not tied to banking hours or the banking calendar.

For a cross-border seller, that combination means one integration instead of an acquirer plus a payout vendor plus an FX provider. If you are still mapping the category, the

best international payment gateway

comparison covers the same providers on acceptance. The

payment gateway for international payments

guide covers the requirements checklist. Start with EukaPay, then run a test payment on the rail your customers actually have.

Create an account at

app.eukapay.com/signup

, complete verification, and generate an API key. The

API documentation

covers invoices, subscriptions, payouts, balance transfer, and customers, so you can wire up collection and disbursement in the same build.

What is an international payment processor?

It is any provider that helps you take money from a buyer in another market. In practice the term covers card acquirers, transfer and treasury platforms, and crypto payment gateways, which are three different products.

Which international payment processor has the lowest cross-border fees?

It depends on the rail, not just the headline percentage. Card and wallet providers publish a domestic rate plus a separate international rate plus a separate conversion charge, so compare the three parts separately. EukaPay has no public rate card, and pricing is agreed with the EukaPay team.

Do international payment processors charge extra for currency conversion?

Usually yes, and it is priced separately from processing. Stripe adds 1% when currency conversion is required. PayPal applies a conversion spread of 3.00% to 4.00%. EukaPay locks the exchange rate on every conversion by default.

Can I accept international payments without a merchant account?

Yes. A merchant account is what a card acquirer issues so it can process card transactions for you. A crypto payment gateway does not need one, because the payment settles on-chain and then converts to fiat.

Which cryptocurrencies can I accept with EukaPay?

Pay-ins support BTC, ETH, LTC, SOL, USDC, USDT, and Lightning. Payouts are sent in USDC, USDT, ETH, and BTC, and the asset and network are set per payout.

What currencies can I settle in?

Settlement reaches your own bank account in USD, EUR, GBP, and CAD, among others. You can also choose to keep the crypto instead of converting.

Do international payments have to wait for banking hours?

Crypto payouts are not tied to banking hours or the banking calendar, so a run does not queue behind the next business day.

Do I need a developer (or coding agent) to start taking international payments?

Not to start. Invoices, payment links, and checkout all work from the merchant dashboard. The API is there when you want collection and payouts inside your own product.