ISV Payment Integration
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PayPal vs Adyen

A feature-by-feature comparison for ISVs integrating payments.

By Marcus Reed·

PayPal reaches shoppers through a consumer wallet used in 200+ markets, and it processes everything inside its own ecosystem. Adyen reaches merchants as their acquirer: one company running the gateway, processing and risk in 30+ markets, with its own in-store terminals. For platforms, PayPal's Commerce Platform keeps PayPal in charge of the merchant relationship, while Adyen for Platforms expects a revenue commitment.

Feature Comparison

PayPal5.2
vs13 criteria
Adyen6.5Winner
FeaturePayPalAdyen
Integration Architecture68
API & Developer Experience67
White-Label Capabilities24
Processor Flexibility12
Pricing & Fee Structure57
Omnichannel & In-Person Payments59
Fraud & Security79
Revenue Sharing46
Merchant Onboarding85
Global Reach910
Recurring Billing66
Customer Support45
PayFac Options46

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Best for

PayPal

ISVs serving SMB merchants where offering PayPal as a payment method increases checkout conversion through buyer familiarity.

Visit paypal.com ↗

Best for

Adyen

ISVs building enterprise-grade platforms that need global acquiring, local payment methods, and interchange-plus economics.

Visit adyen.com ↗

PayPal vs Adyen: What ISVs Need to Know

Choosing between PayPal and Adyen for embedded payments is a decision that directly impacts your ISV’s revenue model, merchant experience, and technical architecture. This comparison breaks down where each platform excels from an ISV integration perspective.

Key Differences for ISVs

The most important distinction between PayPal and Adyen comes down to how each platform approaches ISV payment facilitation. PayPal and Adyen take fundamentally different approaches to merchant onboarding, revenue sharing, and platform integration — and those differences matter when you’re building payments into your software.

Integration architecture varies significantly between the two. ISVs evaluating PayPal vs Adyen should consider how each platform handles sub-merchant onboarding, payment splitting, and settlement timing. The right choice depends on your specific vertical, transaction volumes, and how much control you need over the merchant payment experience.

Pricing and revenue economics also differ. ISVs earn money from embedded payments through the spread between what they charge merchants and what the processor charges them. The pricing model each platform uses — flat-rate, interchange-plus, or custom — directly affects your payment revenue per transaction.

Which Platform Fits Your ISV?

The best choice between PayPal and Adyen depends on your ISV’s specific requirements:

  • Transaction volume: Higher-volume ISVs may benefit from interchange-plus pricing, while lower-volume platforms often prefer flat-rate simplicity
  • Merchant type: B2B merchants have different payment needs than consumer-facing businesses
  • Geographic scope: International payment support varies significantly between providers
  • Integration depth: Some ISVs need white-label checkout while others are fine with co-branded experiences
  • Revenue model: How much of the payment margin you want to capture determines which platform’s economics work better

The ISV Payment Integration Perspective

For ISVs evaluating PayPal vs Adyen, the comparison shouldn’t stop at processing fees. Consider the total cost of integration, ongoing maintenance, and the revenue opportunity from embedded payments. The platform that generates the most payment revenue for your ISV while providing the best merchant experience is the right choice — and that calculation is different for every software company.

Evaluate both platforms against your specific use case. Request ISV-specific pricing from each, and compare the total economics including setup costs, per-transaction revenue, and the engineering investment required to integrate and maintain each platform.

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