Stripe vs PayPal vs Adyen

An in-depth comparison of the three dominant payment platforms so you can choose based on facts, not opinions

10 min

Stripe, PayPal and Adyen are the three payment gateways that dominate the global market. Each has a different DNA: Stripe was built for developers, PayPal for consumers and Adyen for large enterprises. But in 2026, all three compete across every segment.

This guide analyses each platform in detail with real data on fees, features, integrations and scalability, so you can make an informed decision based on the specific needs of your project.

Product philosophy and approach

Stripe was built as a payment infrastructure platform. Its API is the product: everything can be programmed, customised and automated. It is the natural choice for technical teams who want full control over the payment experience.

PayPal operates as a closed ecosystem with over 430 million active accounts. Its strength is consumer trust: many buyers prefer paying with PayPal because they do not need to enter card details. It includes Venmo in the US and Braintree for advanced integrations.

Adyen operates as an end-to-end payment processor with its own banking licence. It does not depend on third parties to acquire transactions, which gives it a cost advantage at scale and control over the entire payment chain.

Fees and pricing models

Stripe applies a transparent model: 1.5% + €0.25 for European cards, 3.25% + €0.25 for international cards. Additional charges apply for services like Stripe Radar (€0.05 per transaction with custom rules), Billing or Connect.

PayPal has a tiered structure that varies by plan (Standard, Advanced, Pro). Base fees range from 1.49% to 3.49% plus a fixed fee. The model can be opaque if you do not read the fine print, with additional costs for currency conversion and micropayments.

Adyen uses interchange++, a model where you pay the actual interchange cost plus a fixed markup. It is the most cost-effective at scale (starting from millions in volume) but includes a monthly processing minimum and more demanding integration requirements.

Developer experience

Stripe is the benchmark for developer experience. Its documentation is comprehensive, the SDKs cover every relevant language (Node.js, Python, Ruby, PHP, Java, Go, .NET) and the test mode faithfully replicates the production environment. Stripe Elements enables fully custom payment forms.

Adyen offers a well-designed, unified API for all channels. Its documentation has improved significantly and the testing environment is solid. The learning curve is steeper than Stripe but the customisation capability is comparable.

PayPal prioritises fast integration with Smart Checkout Buttons, which require only a few lines of code. For advanced integrations, Braintree provides a more powerful API. PayPal’s documentation is extensive but can be fragmented across its multiple products.

Advanced features

All three platforms have expanded their capabilities well beyond basic payment processing. The difference lies in the depth and flexibility of each solution.

  • Subscriptions: Stripe Billing leads with proration, dunning and flexible invoicing. Adyen supports it with less granularity. PayPal offers native plans but with fewer configuration options
  • Marketplace / split payments: Stripe Connect is the reference for marketplaces. Adyen for Platforms competes at enterprise level. PayPal Commerce Platform offers a larger user base
  • Fraud detection: Stripe Radar uses built-in ML. Adyen RevenueProtect offers advanced risk management. PayPal has its own system but with less transparency
  • In-person payments: Adyen leads with terminals integrated into the same platform. Stripe Terminal has grown. PayPal Zettle covers physical commerce
  • Payouts: all three support seller payouts, but Adyen and Stripe offer more control over timing and currencies

Scalability and performance

At the infrastructure level, all three platforms handle billions of transactions annually. The difference lies in how costs and operational complexity scale as your volume grows.

Stripe scales well from startup to enterprise, but the flat fee model can be less competitive at high volume compared to Adyen’s interchange++. Adyen is designed for scale: clients like Spotify, Uber and eBay process through them. PayPal scales in user volume but customisation becomes limiting for complex operations.

When to choose each platform

The decision hinges on three key factors: your technical capability, transaction volume and business model. There is no universal answer, but clear patterns emerge.

  • Choose Stripe if your technical team wants maximum control, you run a SaaS or marketplace, and you value documentation and API flexibility
  • Choose PayPal if your audience is end consumers who value the trust of paying with their PayPal account, especially in markets where the brand has high penetration
  • Choose Adyen if you process high volume, need true omnichannel (online + physical) or want to optimise costs with interchange++
  • Combine multiple gateways if your business justifies it: Stripe as the primary gateway plus PayPal as an alternative method is a common strategy

Key Takeaways

  • Stripe leads in developer experience and API flexibility
  • PayPal offers the largest user base and strongest consumer trust
  • Adyen is the most cost-effective option at scale thanks to interchange++
  • All three have expanded capabilities well beyond basic payment processing
  • Combining gateways is a legitimate strategy to maximise conversion and coverage

Stripe, PayPal or Adyen? We can help you decide

We analyse your business model, volume and markets to recommend the gateway — or combination — that best fits your needs.