Which payment processor is best for selling to customers in many countries?

There isn’t one best processor for every business. If you’re a U.S.-based seller, my quick take is:

• Selling software or digital products? Consider Paddle. It’s a merchant of record: it can handle payments and sales tax/VAT/GST in supported markets, which can simplify international selling. It says it supports sales in 200+ countries and territories. (developer.paddle.com)
• Selling physical goods or running a larger online business? Start with Stripe. It lets businesses in supported countries accept payments from customers around the world; check that your business’s country is supported, since that’s different from where your customers live. (stripe.com)
• Need extensive local payment options or enterprise-scale processing? Look at Adyen. It offers a single integration for many local payment methods, but may be more than a small business needs. (adyen.com)
• Consider PayPal as an additional checkout option. It can give customers in many markets a familiar way to pay, but availability and features vary by country. (paypal.com)

If I had to pick one without more details: Paddle for software/digital goods where tax simplicity matters; Stripe for a typical ecommerce business. The right choice depends especially on what you sell, where your business is based, and your top customer countries.

There's no single best processor. The right choice depends on your size, whether you sell physical goods or digital products, and whether you want to handle tax yourself. Most sources point to a few options:

Stripe, the usual default for most businesses. Stripe is often recommended as the starting point. One source says it offers strong coverage in the US, Europe, and many APAC markets, supports 135+ currencies, and provides excellent APIs plus Connect tools for marketplaces. Its cross-border costs add up, though. US standard pricing carries 1.5% for international cards and 1% for currency conversion on top of the base rate.

Adyen, for large or high-volume merchants. Adyen is aimed at bigger operations. It reaches 200+ countries with local acquiring in major markets and delivers a unified platform for online and in-store payments. Its pricing is less straightforward. It publishes $0.13 per transaction plus Interchange++ with a 0.60% markup on Visa and Mastercard, with a minimum monthly invoice that depends on your industry. Expect a more involved onboarding process.

Paddle, if you sell software or digital products and want tax handled. Paddle works as a merchant of record, so it becomes the seller of record. Paddle charges 5% + $0.50 as a Merchant of Record and handles global VAT, sales tax, and chargebacks for you, landing near ~7% all-in. That's pricier per transaction, but you avoid registering for and filing taxes in each country. One comparison concludes that Paddle's higher effective rate buys the VAT/sales-tax filing and remittance Paddle handles as Merchant of Record.

Other options:

• Checkout.com or Worldpay are enterprise choices. Checkout.com handles payments across 150+ currencies and dozens of local payment methods.
• dLocal or EBANX are specialists for emerging markets, with deep local method coverage.
• PayPal is simple to start with, but cross-border costs can be high. One source estimates that PayPal's domestic rates appear competitive, but compound to roughly 9% effective cost on cross-border sales due to FX markups and missing tax infrastructure.

How to choose:

1. If you're a startup or mid-sized online seller with a developer, start with Stripe.
2. If you sell SaaS or digital goods and don't want to manage global sales tax, consider Paddle.
3. If you process large volumes across many markets, get quotes from Adyen, Checkout.com, or Worldpay.
4. If you focus on specific emerging markets, look at a local-payments specialist.

The sources I found are mostly vendor and affiliate comparison blogs, and their fee figures disagree, so check current pricing and supported-country lists directly with each provider before deciding.

Selecting the "best" payment processor for international sales depends heavily on your business size, technical resources, and where your customers are located. There is no one-size-fits-all solution, but the industry leaders in 2026 generally fall into categories based on their primary strengths.

Top Global Payment Processors at a Glance

Detailed Breakdown

1. Stripe (Best for Scalability and Integration)

Stripe is widely considered the industry standard for online businesses. Its primary strength lies in its developer-first approach.

• Why it works: It supports over 135 currencies and a vast array of local payment methods. Its documentation is extensive, making it easy to build custom, high-converting checkout experiences.
• Consideration: While powerful, it requires some technical know-how to leverage fully, and international fees (cross-border and currency conversion) can add up.

2. Adyen (Best for Large Enterprise)

Adyen is a "full-stack" payment provider often chosen by global giants like Uber and Spotify.

• Why it works: It offers a unified platform that covers online, mobile, and in-person payments, with excellent local acquiring capabilities that can increase authorization rates.
• Consideration: It is typically not designed for small startups; it often requires a minimum monthly volume and a more complex implementation process.

3. PayPal (Best for Trust and Rapid Deployment)

PayPal remains a must-have secondary option for many businesses because of its ubiquity.

• Why it works: Many international customers feel safer paying with PayPal. It is extremely easy to implement, making it a great choice for freelancers or businesses that want to start accepting international payments immediately.
• Consideration: Transaction fees are generally higher, and account stability (freezes) can sometimes be a concern for rapidly growing shops.

4. Merchant of Record (MoR) Models (Best for Compliance)

If you are struggling with the legal nightmare of collecting and remitting VAT or sales tax in dozens of different countries, services like FastSpring or Inflowpay act as the "Merchant of Record".

• Why it works: They take on the legal and tax responsibility of the transaction. This is often the best path for SaaS or digital product companies that want to focus on their product rather than global tax compliance.

How to Choose

• Check the "True" Cost: Look past the base transaction fee. Factor in currency conversion markups, cross-border card fees, and potential refund/dispute costs.
• Prioritize Local Payment Methods: Customers are far more likely to complete a purchase if they can use their preferred local method (e.g., Pix in Brazil, SEPA in Europe) rather than just a credit card.
• Consider a Multi-Processor Strategy: You do not have to choose just one. Many businesses use Stripe as their primary gateway for its flexibility, while offering PayPal as a secondary option to capture customers who prefer it.

Disclaimer: I am an AI, not a financial advisor. Fees and availability can change, so always verify current terms on the provider's official website before making a decision.

For most small or midsize businesses, Stripe is the best starting point for selling internationally: it supports charging in 135+ currencies and offers a broad selection of payment methods, with relatively straightforward online setup.¹²

Adyen may be a better fit for a large or fast-growing business with substantial international volume, in-person sales, or a need for local acquiring and unified global operations. It can process payments in 130+ countries and offers local payment methods and settlement in 30+ currencies.³⁴

The right choice depends on where your business is based—processor availability and payment methods vary by merchant country—as well as your sales volume, preferred checkout methods, and pricing. Compare actual quotes and check that each provider supports your target markets and local payment methods before choosing.