Compare ProvidersFind the best payment solution for your business

ACI Worldwide
Real-time payments
A payment systems software company powering infrastructure for banks and payment processors globally. ACI Worldwide enables real-time payment networks including FedNow, Zelle, and UK Faster Payments, processing over 671 billion transactions annually. Built for financial institutions requiring enterprise-grade payment switching and fraud management.
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Paidy
BNPL Japan
Japan's leading buy now, pay later service (now owned by PayPal) enabling purchases with just an email and phone number. Paidy offers deferred payment and installment options, widely adopted by Japanese e-commerce including Amazon Japan and major retailers.
Visit PaidyDetailed Comparison
Side-by-side feature breakdown
Contact for pricing
2.5-3.5%
3 Available
4 Available
22 Supported
3 Supported
Common Ground
Shared Regions
When to Choose ACI Worldwide
Choose ACI Worldwide if you need features like Enterprise or Instant Payments, or your business operates in North America or Europe, or you want a broader feature set. With fees of Contact for pricing, it's ideal for businesses focused on real-time payments.
When to Choose Paidy
Choose Paidy if you need features like Startup Friendly. With fees of 2.5-3.5%, it's ideal for businesses focused on bnpl japan.
Frequently Asked Questions
What is the difference between ACI Worldwide and Paidy?
ACI Worldwide is best for real-time payments, while Paidy is best for bnpl japan. ACI Worldwide charges Contact for pricing and Paidy charges 2.5-3.5%. They differ in supported features, regions, and payment methods.
Which is cheaper, ACI Worldwide or Paidy?
ACI Worldwide charges Contact for pricing while Paidy charges 2.5-3.5%. The best value depends on your transaction volume, business type, and required features. Compare their full fee structures for your specific use case.
Can I use both ACI Worldwide and Paidy together?
Yes, many businesses use multiple payment providers for redundancy, regional coverage, or to offer more payment methods. ACI Worldwide and Paidy can complement each other depending on your needs.