Payment processing methods, from Visa and Mastercard card transactions to crypto and tokenized payments, each work differently. For payment providers, knowing how card, bank-based, digital and crypto payments are processed, and the advantages and challenges of each, is key to staying competitive.
| Credit card processing involves understanding the nuances of card-present versus card-not-present transactions |
| Debit card processing offers unique differences and considerations compared to credit cards |
| Prepaid cards come with distinct fraud risks and compliance challenges |
| Bank-based payment methods like ACH and wire transfers provide varied processing speeds and compliance requirements |
| Digital and alternative payments such as e-wallets and BNPL are reshaping consumer preferences |
| Cryptocurrency introduces unique challenges with volatility and transaction speed |
| Tokenization enhances security across transactions, differentiating between network and merchant implementations |
Credit card processing is one of the most widely used payment methods for making transactions worldwide. Every card payment involves four parties: the cardholder's issuing bank, the merchant's acquiring bank, the card network that routes the transaction between them, and the merchant, and it runs in three stages: authorization, clearing and settlement.
Credit card transactions fall into two types:
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There are similar security measures involved with credit card processing. PCI DSS and 3D Secure aim to protect both the merchant and the consumer with cards that are not easily hackable. 3D Secure adds an issuer authentication step to card-not-present payments, and in Europe it is the main way to meet the Strong Customer Authentication (SCA) requirement of PSD2. Tokenization serves the same purpose for cardholder data being switched with a useless token out of context.
These developments do not come free. Interchange fees and processing costs, as well as fees assessed by different card payment networks like Visa, Discover, Amex, and Mastercard, can change rapidly. Interchange is the fee the acquirer pays the issuer on each transaction, and it usually makes up the largest share of what a merchant pays to accept cards. For merchants looking to maintain a consistent pricing strategy, understanding these metrics of operation provides insight for proper pricing.
The pros and cons of credit card processing are relative to the merchants. They can add a convenience fee and enjoy an influx of customers, yet credit card processing can come at a cost with high interchange fees and processing costs passed on to the merchant.
Debit card processing works much like credit card processing but differs in a few key ways. As one of the common types of payment methods, debit cards do not charge a line of credit; rather, they access the cardholder's bank account immediately. Therefore, chargeback options may be different, and authorizations may come from the cardholder's bank or the bank of the card issuer.
There is debit card processing through online debit transactions or offline debit transactions, meaning that how transactions are processed varies:
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For merchants, debit card processing is a bit cheaper than credit card processing because there are generally fewer middlemen involved. In the EEA, the Interchange Fee Regulation caps consumer debit card interchange at 0.2% of the transaction value, compared with 0.3% for consumer credit cards.
The settlement time is sometimes faster, too, which allows access to funds and cash flow sooner for merchants. Merchants need to ensure PCI DSS compliance to protect against potential fraud risks, which would otherwise negate the benefits.
Prepaid cards and gift cards are processed like any other card; however, they are a great option for consumers to have flexibility. Merchants must decide whether prepaid cards are reloadable or non-reloadable. Reloadable cards are processed as debit cards. Non-reloadable cards are gift cards, meaning consumers cannot reload the card balance once it goes to zero.
Prepaid cards and gift cards have specific fraud risks and compliance requirements. From a fraud standpoint, criminals will use them under the guise of money laundering, which creates a need for compliance requirements for regulators, issuers, and merchants.
In practice, this means anti-money laundering (AML) controls and know-your-customer (KYC) checks, with stricter verification required once load limits or balances pass the thresholds regulators set.
ACH transfers, or Automated Clearing House transfers, are a widely used bank payment processing method that enables the electronic movement of money between financial institutions. As a foundational component of modern banking, ACH transfers facilitate efficient and reliable transaction processing through batch settlements.
ACH is a US network: standard transfers usually settle within one to two business days, while Same Day ACH settles faster for an additional fee. These transactions are generally categorized as either ACH credit transfers or ACH debit transfers, each with specific roles in the payment ecosystem.
An ACH debit transaction means money is pulled from a bank account, while an ACH credit transaction means money is pushed into one. For example, if you have a subscription service with a recurring payment, that is an ACH debit transaction, as it will pull funds from your account every month.
However, you should look at credits as payments in and debits as payments out. For example, if you receive your paycheck, that is an ACH credit transaction, as someone transferred funds into your bank account, as was a vendor payment to an independent contractor. This is regulated through NACHA, the organization that writes the operating rules every ACH participant must follow.
Wire transfers are a widely used method for electronically transferring funds, valued for their speed, security, and capacity to handle large sums of money. Domestic wires typically settle through a country's real-time gross settlement (RTGS) system, while international wires are usually sent over the SWIFT network and can pass through one or more correspondent banks, each of which may deduct a fee.
However, despite these benefits, wire transfers also come with challenges such as regulatory compliance requirements and potentially high transaction fees. Businesses considering bank transfers as a payment method must navigate strict financial regulations, as a damaged banking relationship can be difficult to repair. Additionally, companies are often surprised by the higher fees associated with wire transfers compared to other payment options.
Two more electronic funds transfer options are international transactions and interbank transfers. An international transaction is a general term used to discuss any time funds are sent across borders. An interbank transfer is more specific and occurs when payments are made between two financial institutions that have direct arrangements for interbank connections.
This is often the case when two companies that use different banks enter similar agreements to make payment processing easier. This could reduce wire transfer fees or ACH processing when banks link up directly.
However, they are costly. Fees depend upon transaction amount and origin/destination. Likewise, if a business wants to make an international transaction via wire transfer, it must assess its potential for fraud and currency fluctuations.
Direct debit and SEPA transfers support payment processing needs for businesses in Europe. Direct debit and ACH transfers are similar types of electronic funds transfer, but SEPA transfers and direct debit apply to specific areas where business occurs and the compliance requirements for each transfer type.
The SEPA transfer allows businesses to make euro transactions across borders with ease; SEPA is a geographic area smaller than international, meaning it supports more euro senders and receivers within the SEPA region. There are three main SEPA schemes:
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SEPA transfers have lower transaction fees than international transactions, and payment processing speed is quicker, supporting cash flow management. Compliance requirements with SEPA regulations can be challenging to assess.
There are numerous advantages of direct debit and SEPA transfers for companies needing to manage recurring payments and those seeking operational efficiencies.
Open banking refers to account-to-account (A2A) payments initiated through a regulated third party with the customer's consent. In Europe, PSD2 requires banks to give licensed payment initiation service providers (PISPs) API access, so a customer can authorize a bank transfer at checkout without entering card details.
For merchants, A2A payments usually cost less than card payments and settle quickly, often over instant payment rails such as SEPA Instant, but they offer no card-style chargeback rights, which shifts dispute handling to the merchant and the bank.
Processing payments through Cryptocurrency is an effective way to make a financial transaction with digital currencies like Bitcoin, Ethereum, and Stablecoins. Therefore, Payment Processing differs when approaches are on-chain versus off-chain.
Tokenization in payments refers to a security measure designed to more effectively protect sensitive data when transactions are processed. By replacing sensitive card data with a token, the actual transaction occurs more securely while less sensitive information is vulnerable to a potential data breach. In order to leverage this security measure, however, it's important to understand network tokenization vs. merchant tokenization:
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