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Modulr glossary

Payment Service Provider (PSP)

A Payment Service Provider (PSP) is a third-party company that enables businesses to accept a variety of payment methods online. PSPs might be a an acquirer, a processor, a bank or a fintech, and provide the technology and infrastructure needed to process transactions, manage security, and ensure compliance with industry regulations. As a PSP, Modulr provides access to multiple payment rails, including Faster Payments, BACS, and SEPA, enabling efficient domestic and cross-border transactions.

Applications

E-commerce:

Reduces fraud in online card payments by verifying the cardholder's identity

Banking and fintech:

Helps issuers and payment providers comply with Strong Customer Authentication (SCA) requirements.

Advantages

  • Enhanced security: Reduces unauthorised transactions by verifying that the genuine account holder is authorising the payment
  • Fraud prevention: Helps reduce chargebacks related to fraud.

Challenges

  • User Experience: Additional authentication steps can cause friction and increase checkout abandonment
  • Implementation complexity: Requires integration with card schemes and issuer systems.

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