Businesses today face increasing pressure to meet the ever-evolving demands of customers. For example, providing an intuitive, effortless and secure payment experience is no longer a luxury – it's a requirement. As commerce becomes more digital and global, businesses of all sizes must understand the intricacies of payment networks and payment processing if they want to retain customers, maintain a competitive edge and thrive.

Offering diverse and convenient payment options that are also fast and secure can drive customer satisfaction. And providing customers with an exceptional payment experience can help businesses expand their reach to new markets and customer segments, propelling growth and profitability.

In this article, we'll explore what businesses need to know about payment rails, including the factors that they must consider to make informed decisions that align with their unique needs and objectives. By understanding the nuances of payment processing, businesses can create a robust, adaptable and customer-centric payment environment that supports long-term success.

What's in this article?

• What are payment rails?
  
• Popular payment rails
  
  • ACH
    
  • SWIFT
    
  • SEPA
    
  • CHIPS
    
  • FPS
    
  • Fedwire
    
  • Interac
    
  • RTP
    
  • Card rails
    
  • Mobile payment systems
    
  • Cryptocurrencies and blockchain
    

What are payment rails?

Payment rails refer to the underlying infrastructure and systems that facilitate the transfer of funds between parties, such as individuals, businesses and financial institutions. They enable the secure and efficient movement of money, both domestically and internationally, and are important components of the global financial ecosystem. Without payment rails, it would be difficult for businesses and individuals to conduct financial transactions in today's global economy.

Payment rails have many names, depending on the context and the specific payment system in question. Additional terms used to describe payment rails include:

• Payment networks
  
• Payment systems
  
• Settlement systems
  
• Clearing systems
  
• Money transfer systems
  

The term used may vary depending on the region, industry or specific type of payment.

For businesses, understanding payment rails is important for several reasons:

• Cost management
  Different payment rails have different fees and transaction costs. By selecting the most suitable payment rail for their specific needs, businesses can minimise expenses and improve overall financial efficiency.

• Speed and efficiency
  The time that it takes to process transactions can vary significantly across different payment rails. Businesses need to be aware of the available options to ensure timely transfers, which can affect cash flow, supplier relationships and customer satisfaction.

• Security and compliance
  Payment rails have different levels of security and regulatory compliance. Ensuring the secure and compliant transfer of funds helps to protect businesses against fraud, data breaches and potential legal issues.

• Global reach
  For businesses operating or engaging in transactions across borders, understanding the available payment rails can facilitate international trade and expansion. By using the appropriate payment rails, businesses can navigate foreign markets and manage cross-border transactions more effectively.

• Customer experience
  Offering a variety of payment options can enhance the customer experience and increase conversion rates. Familiarity with different payment rails enables businesses to provide the most convenient and accessible payment methods for their customers, improving overall satisfaction and loyalty.

Payment rails play an important role for businesses and the global economy. Understanding these systems allows businesses to optimise their transactions, manage costs, maintain security and cater to diverse customer preferences.

Popular payment rails

With the rise of digital commerce and global connectivity, payment rails have become increasingly important for both businesses and individuals. While there are numerous payment rails in use today, some of the most common include:

ACH

The ACH, or Automated Clearing House, is an electronic network for processing financial transactions in the United States. It is a centralised system that facilitates the movement of funds between banks and other financial institutions, enabling transactions such as direct deposits, bill payments and electronic funds transfers.

The ACH network is managed by the National Automated Clearing House Association (Nacha) and is regulated by the Federal Reserve and the Electronic Payments Association. The system streamlines transactions through consolidation and batching, which makes the ACH network more cost effective and efficient compared with other methods such as paper cheques or bank transfers.

How ACH transfers work

The ACH network provides a reliable, cost-effective and efficient way for businesses and individuals to manage their payments and transfers within the US.

Here's an overview of how the ACH process works:

1. Initiation: The process begins when a business, individual or another entity (the "originator") initiates a payment through their bank or financial institution (the "originating depository financial institution", or "ODFI").
   
2. Submission: The ODFI collects the transaction details – such as the receiver's bank account information, the transaction amount and any necessary identification codes – and submits the transaction to the ACH network.
   
3. Clearing: The ACH network gathers transactions from different ODFIs and sorts them into batches, based on the receiving banks ("receiving depository financial institutions", or "RDFIs"). Batches are usually processed at predetermined intervals throughout the day.
   
4. Settlement: The ACH network processes the batches, transferring the funds from the ODFIs to the RDFIs. The Federal Reserve, which adjusts the respective banks' reserve accounts accordingly, plays a key role in the settlement process.
   
5. Posting: The RDFI receives the transaction details and posts the funds to the receiver's bank account. This step completes the ACH transaction.
   
6. Reconciliation and dispute resolution: Both the originator and the receiver have the chance to review their transactions and raise any disputes or concerns, if necessary.
   

ACH transactions can be split into two categories: ACH credits and ACH debits. In an ACH-credit transaction, the originator sends funds to the receiver's account, in a similar way to the direct deposit of payroll or government benefits. In an ACH-debit transaction, the originator pulls funds from the receiver's account, similar to bill payments or recurring subscriptions. To learn more about ACH Direct Debit as a payment method with Stripe, go here.

SWIFT

SWIFT, short for "Society for Worldwide Interbank Financial Telecommunication", is a global messaging network used by financial institutions to exchange information securely, primarily for international bank transfers. It's a cooperative organisation, headquartered in Belgium, with thousands of member banks and financial institutions worldwide.

SWIFT itself does not transfer funds. Instead, it acts as a secure communication platform that facilitates the transfer process by transmitting standardised messages between participating institutions. These messages contain important information, such as payment instructions, account details and transaction details, which enables banks to execute transactions efficiently.

How SWIFT transfers work

Here's an overview of how the SWIFT process works:

1. Initiation: a bank customer – an individual or a business – requests an international bank transfer at their bank. In this context, the bank is referred to as the "originating bank".
   
2. Message creation: the originating bank prepares a SWIFT message containing the necessary transaction details, such as the sender's and recipient's account information, transaction amount and type of currency.
   
3. Transmission: the SWIFT message is transmitted securely through the SWIFT network, which uses a system of unique identification codes, called "business identifier codes" (BIC) or "SWIFT codes", to route messages to the correct recipient bank. These codes are usually 8 or 11 characters long and help to identify the bank, country and specific branch involved in the transaction.
   
4. Intermediary banks: depending on the transaction, one or more intermediary banks may be involved in the transfer process. These banks help to facilitate the transaction by forwarding the SWIFT message to the next bank in the payment chain, ultimately reaching the recipient's bank.
   
5. Receipt and processing: the recipient's bank receives the SWIFT message, verifies the transaction details and processes the payment by crediting the recipient's account with the transferred funds.
   
6. Confirmation: once the transaction has been completed, the recipient's bank may send a confirmation message to the originating bank through the SWIFT network.
   
7. Reconciliation and dispute resolution: both the sender and the recipient have the opportunity to review their transactions and raise any disputes or concerns, if necessary.
   

SWIFT ensures that financial messages between banks and financial institutions around the world are exchanged securely and efficiently, making it an important component of the global financial system.

SEPA

SEPA, which stands for "Single Euro Payments Area", is a payment-integration initiative aimed at simplifying bank transfers in euros across the European Union, as well as other participating countries such as Iceland, Liechtenstein, Norway, Switzerland and the United Kingdom. The goal of SEPA is to create a single market for electronic payments in euros, making cross-border transactions as easy to execute as domestic transactions.

SEPA covers different types of euro-denominated transactions, including credit transfers, direct debits and card payments. The European Payments Council (EPC) is responsible for developing the rules, standards and guidelines that govern SEPA transactions, ensuring a consistent and unified framework for all participating countries.

How SEPA works

Here's an overview of how SEPA works:

1. Standardisation: SEPA introduced standardised formats and procedures for electronic payments, which are based on the global ISO 20022 messaging standard. This standardised format enables financial institutions to exchange data with each other, streamlining the way in which cross-border transactions are processed and reconciled.
   
2. Bank accounts: under SEPA, customers and businesses only need a single EU-based bank account to make and receive payments across the entire SEPA zone. This eliminates the need to open separate accounts in different countries.
   
3. IBAN and BIC: SEPA transactions require the use of international bank account numbers (IBANs) and BICs to identify bank accounts and financial institutions. These codes replace the traditional national account numbers and bank codes, making transactions more secure and less prone to errors.
   
4. Payment processing: whether they are domestic or international, SEPA transactions follow standardised processing timelines and fees. This creates a more transparent and predictable payment environment for customers and businesses.
   
5. Direct debits: the SEPA Direct Debit (SDD) scheme enables businesses to collect recurring payments in euros from customers across the entire SEPA zone, simplifying the management of recurring billing and subscriptions.
   
6. Credit transfers: the SEPA Credit Transfer (SCT) scheme allows for the transfer of funds in euros between accounts within the SEPA zone. These transfers are typically processed within one working day, ensuring quick and efficient payments.
   

SEPA makes it easier for customers and businesses in participating countries to conduct transactions across borders, which fosters economic integration, promotes competition among payment service providers and facilitates trade and commerce within the region. For more information about using SDD as a payment method with Stripe, go here.

How Stripe Payments can help

Stripe Payments enables businesses to set up and accept 125+ payment methods, including ACH Credit Transfers. It provides a unified, global payments solution that helps any business – from scaling startups to global enterprises – accept payments online, in person and around the world.

Stripe Payments can help you:

• Reconcile payments automatically: Easily reconcile ACH Credit Transfers to a specific payment or invoice with an automatic reconciliation engine that uses virtual bank accounts for each customer and tools for troubleshooting.

• Simplify refunds: Make refunds or return excess funds to the customer.

• Optimise your checkout experience: Create a frictionless customer experience and save thousands of engineering hours with prebuilt payment UIs and Link, Stripe's digital wallet.

• Expand to new markets faster: Reach customers worldwide and reduce the complexity and cost of multicurrency management with cross-border payment options, available in 195 countries across 135+ currencies.

• Unify payments in person and online: Build a unified commerce experience across online and in-person channels to personalise interactions, reward loyalty and grow revenue.

• Improve payments performance: Increase revenue with a range of customisable, easy-to-configure payment tools, including no-code fraud protection and advanced capabilities to improve authorisation rates.

• Move faster with a flexible, reliable platform for growth: Build on a platform designed to scale with you, with 99.999% historical uptime and industry-leading reliability.

Learn more about how Stripe Payments can power your online and in-person payments or get started today.