Skip to content

What are Payment Service Providers

what are payment service providers wiki article feature image

Payment Service Providers (PSPs) are companies that facilitate electronic payments between merchants and customers, enabling secure and efficient transactions across various channels such as online, mobile, and in-store. They act as intermediaries, providing the technology and infrastructure necessary for the smooth transfer of funds from the buyer to the seller.


Payment Service Providers play a crucial role in the modern economy, where electronic payments have become increasingly prevalent. They offer merchants a variety of payment methods to accept, including credit cards, debit cards, digital wallets, and bank transfers. By integrating with PSPs, merchants can offer their customers a seamless checkout experience while ensuring the security and integrity of transactions.

Services Offered

PSPs typically offer a range of services to merchants, including:

1. Payment Processing: PSPs process transactions securely, handling authorization, settlement, and reconciliation of funds.

2. Payment Gateway: They provide merchants with a payment gateway—a software interface that connects the merchant’s website or app to the PSP’s infrastructure, enabling the transfer of payment data.

3. Fraud Prevention: PSPs employ sophisticated fraud detection and prevention measures to safeguard against fraudulent transactions, protecting both merchants and customers.

4. Multi-Currency Support: Many PSPs support transactions in multiple currencies, allowing merchants to expand their customer base globally.

5. Reporting and Analytics: PSPs offer reporting tools that provide merchants with insights into their transaction history, sales performance, and customer behavior.

6. Subscription Billing: Some PSPs offer subscription billing services, allowing merchants to easily manage recurring payments for subscription-based services or products.

7. Integration Support: PSPs assist merchants in integrating payment solutions into their websites, apps, or point-of-sale systems, ensuring a smooth and seamless payment experience for customers.

Types of Payment Service Providers

There are various types of PSPs, including:

1. Traditional Banks: Many banks offer payment processing services to their merchant customers, either directly or through partnerships with third-party PSPs.

2. Independent PSPs: These are standalone companies specializing in payment processing services. They often offer more flexibility and advanced features compared to traditional banks.

3. Payment Gateways: Some PSPs focus solely on providing payment gateway services, enabling merchants to securely accept online payments.

4. Acquirers: Acquirers are financial institutions that work with merchants to enable card payments. They handle the authorization and settlement of transactions and may offer additional services such as fraud prevention.

5. Digital Wallet Providers: Companies like PayPal, Apple Pay, and Google Pay act as PSPs by allowing users to store payment credentials securely and make purchases online or in-store.

Regulation and Compliance

Payment Service Providers are subject to various regulations and compliance requirements, depending on the regions in which they operate. These regulations may include anti-money laundering (AML) laws, know-your-customer (KYC) requirements, data protection regulations such as the General Data Protection Regulation (GDPR), and payment card industry (PCI) standards.

Payment Gateway vs. Payment Service Provider

A payment gateway is a specific component of a payment service provider’s (PSP) offering. It acts as the interface between a merchant’s website or app and the PSP’s infrastructure, securely transmitting payment data during transactions. Essentially, a payment gateway facilitates the authorization and processing of payments.

On the other hand, a payment service provider encompasses a broader range of services beyond just the gateway. PSPs offer comprehensive solutions for merchants, including payment processing, fraud prevention, multi-currency support, subscription billing, and integration support. While the payment gateway is a crucial part of the PSP’s services, PSPs provide additional value by offering a suite of tools and services to manage all aspects of electronic payments.


Payment Service Providers play a vital role in facilitating electronic transactions, enabling businesses to accept payments securely and conveniently. By offering a range of services including payment processing, fraud prevention, and multi-currency support, PSPs help merchants expand their reach and grow their businesses in an increasingly digital world.

Nitrobox, as a subscription billing SaaS, offers a variety of payment integrations with PSPs and payment gateways to help create a seamless customer journey. Learn more about our standard payment integrations.

Updated on 22. February 2024

Discover Wiki categories