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Payments Basics

Credit Card Processing 101: What Every Business Owner Should Know

Understand how credit card processing works, which fees appear on your statement, and what to look for when choosing a payment solution for your business.

Oct 10, 20264 min readBy Molly Price
Payments Insights

Accepting credit cards makes it easier for customers to pay, but what happens after a tap, swipe, or online checkout can feel complicated. Knowing the basics helps you evaluate providers, understand your statements, and choose a payment setup that fits your business.

Start with three things: who handles each transaction, what you pay for processing, and how to compare your options.

How Credit Card Processing Works

Every card transaction involves several players working together to request approval and move money into your business account.

  • The customer: The person using a credit card to make a purchase.

  • The merchant: Your business, which accepts the card payment.

  • The acquiring bank: The financial institution that supports card acceptance for the merchant and receives transaction funds through the card system.

  • The card network: The network that routes transaction information between the acquiring and issuing sides and establishes rules for participation.

  • The issuing bank: The institution that issued the customer's card and decides whether to approve the transaction.

Your payment processor helps connect these participants. Depending on how you accept payments, a payment gateway may also securely transmit transaction information from your website or payment software.

From Checkout to Funding

  1. The customer pays. They tap, insert, or swipe a card, or enter their payment details online.

  2. An authorization request is sent. Transaction information travels through your payment setup and the card network to the issuing bank.

  3. The issuer approves or declines. The issuing bank checks factors such as available credit and potential fraud, then sends a response back to your business.

  4. The approved payment is captured and submitted. The transaction is finalized for clearing and settlement, often as part of a batch.

  5. Funds are deposited. Following settlement, funds reach your business bank account according to your provider's funding schedule. Fees may be deducted from deposits or billed separately.

Approval is not the same as funding. An approved transaction does not mean the money is already in your account. Ask your provider about funding timing, cutoff times, and any conditions that could delay a deposit.

Key Fees to Understand

Credit card processing costs generally include three main components. Understanding them makes it easier to see what you are paying for and compare providers fairly.

Interchange Fees

Interchange fees are set by the card networks and generally paid by the acquiring side to the issuing bank. They can vary based on factors such as the card type, transaction method, and business category. Your processor does not set the underlying interchange schedules.

Assessment Fees

Assessment fees are charged by the card brands for participation in and use of their networks. These are separate from interchange and processor markup, although your pricing plan may bundle them together.

Processor Markup

Processor markup is the amount your provider charges for its services beyond underlying network-related costs. It varies by provider and pricing model and may include percentage-based charges, per-transaction charges, or recurring fees.

How Pricing Models Affect Your Statement

  • Interchange-plus: Separates interchange and other underlying costs from the provider's markup.

  • Flat-rate: Bundles processing costs into a stated rate structure, which may differ by payment method.

  • Tiered: Groups transactions into pricing categories. Ask how transactions are assigned to each category and what each one costs.

No pricing label tells the whole story. Review the full fee schedule, including any monthly, gateway, equipment, chargeback, or cancellation fees. Compare total costs using your actual transaction volume, average sale amount, and payment methods—not just an advertised rate.

Choosing the Right Solution

The right payment solution should fit how your business operates and how your customers want to pay. Look beyond pricing to consider support, technology, and contract terms.

Look for Transparent Pricing

A provider should explain each fee, identify which costs it controls, and help you read your statement. Ask for a written breakdown and clarification of any terms you do not understand. Clear pricing helps you plan, even though total costs can change with your transaction mix and volume.

Match the Technology to Your Business

Consider whether you need countertop terminals, mobile payments, online checkout, recurring billing, or integrations with existing software. Ask about setup requirements, equipment ownership, and ongoing software costs.

Check Support and Security Responsibilities

Find out when support is available, how to reach it, and who handles issues such as failed transactions or delayed deposits. Also ask how the solution supports secure payment handling and what your business must do to meet applicable PCI DSS requirements. Using a payment provider does not automatically remove your own compliance responsibilities.

Review the Agreement Before Signing

  • When will funds reach your bank account?

  • Are there contract terms, automatic renewals, or early termination fees?

  • Is equipment purchased, rented, or leased?

  • How are refunds and chargebacks handled, and what fees apply?

  • Does the provider support your industry and business model?

  • How will pricing changes be communicated?

Make Your Payment Setup Easier to Understand

You do not need to become a payments expert to make an informed decision. Start by understanding the transaction process, separating the main fee components, and asking providers to explain their pricing and service terms clearly.

If you are reviewing your current setup, gather a recent processing statement and a list of the ways your customers pay. EncompassPay can help you explore payment options that fit your business and understand the factors affecting your processing costs.

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