Nationwide Payment Systems 

Essential Payment Processing Terms: A Business Glossary

Nationwide Payment Systems provides merchant services, credit card processing, POS systems, ACH payments, smart invoicing, and payment technology for South Florida businesses.

Presented by Allen Kopelman, CEO — Nationwide Payment Systems-Host of B2B Vault: The Biz2Biz Podcast 

AI OVERVIEW

Payment processing can feel complex, but understanding key terminology helps business owners reduce costs, improve cash flow, and avoid costly mistakes. 

This glossary from Nationwide Payment Systems breaks down essential payment terms—from interchange fees and chargebacks to payment gateways and Level 3 data—so you can make smarter decisions about your merchant account, POS system, and invoicing strategy. 

Whether you're running a retail store, restaurant, or B2B company, this guide will help you speak the language of payments and optimize how you accept money. 

Why Payment Terminology Matters 

If you don’t understand how payments work, you’re at a disadvantage. 

Most business owners: 

• Overpay on processing fees.  

• Choose the wrong platform (Stripe, Square, etc.)  

• Miss savings opportunities like Level 2/3 data or ACH  

• Get blindsided by chargebacks or account shutdowns.  

Understanding these terms gives you control over: 

• Your costs  

• Your approvals  

• Your risk exposure  

• Your cash flow  

Payment Processing Glossary (A–Z) 

ACH (Automated Clearing House) 

A bank-to-bank payment method used for direct deposits, bill pay, and B2B transactions. 
Why it matters: Lower cost than credit cards—ideal for invoices and recurring billing. 

Acquirer (Acquiring Bank) 

The financial institution that processes credit card transactions on behalf of a merchant. 

Authorization 

The process of verifying that a customer’s card has sufficient funds and is approved for a transaction. 

Batch Processing 

The process of settling and submitting transactions at the end of the day. 
Pro tip: Delayed batching can increase risk and cause funding delays. 

Card-Present (CP) 

Transactions where the card is physically present (chip, tap, or swipe). 
Benefit: Lower fraud risk and lower interchange rates. 

Card-Not-Present (CNP) 

Transactions where the card is not physically present (online, phone, invoice). 
Risk: Higher fraud and higher fees. 

Chargeback 

A forced reversal of a transaction initiated by the cardholder through their bank. 
Impact: Fees, lost revenue, and potential account termination. 

Descriptor 

The business name that appears on a customer’s credit card statement. 
Tip: Use a clear descriptor to reduce chargebacks. 

EMV (Chip Cards) 

Secure payment technology using embedded microchips to reduce fraud. 
Important: Liability shifts if you don’t use EMV properly. 

Flat-Rate Pricing 

Simple pricing model (e.g., 2.9% + $0.30). 
Reality: Easy to understand—but often more expensive for growing businesses. 

Interchange Fees 

Fees set by card networks (Visa, Mastercard) paid to issuing banks. 
Key Insight: This is the largest component of your processing cost. 

Interchange-Plus Pricing 

Transparent pricing model where you pay: 

• Interchange cost  

• Plus, a fixed markup  

Best for: Businesses doing $250K+ annually. 

Issuer (Issuing Bank) 

The bank that provides the customer’s credit card.

Level 2 & Level 3 Data 

Enhanced transaction data required for B2B payments. 

Includes: 

• Invoice details  

• Tax amounts  

• Customer information  

Big advantage: Can significantly reduce interchange fees for B2B merchants. 

Merchant Account 

A type of bank account that allows businesses to accept credit card payments. 

Payment Gateway 

Technology that securely transmits payment data from your website or POS to the processor. 

Examples: 

• Authorize.net  

• NMI  

• Proprietary gateways like NPSONE  

PCI Compliance (Payment Card Industry Compliance) 

Security standards required for businesses that handle card data. 
Failure to comply = fines and higher risk. 

Point of Sale (POS) System 

Hardware and software used to process transactions and manage business operations. 
Examples: NCR Counterpoint, restaurant POS systems, retail systems. 

Recurring Billing 

Automated billing for subscriptions or repeat customers. 
Use case: Memberships, SaaS, service contracts. 

Settlement 

The process of transferring funds from the customer’s bank to the merchant’s account. 

Surcharge / Dual Pricing 

A pricing model where customers pay a fee for using a credit card. 
Important: Must comply with state laws and card brand rules. 

Tokenization 

Security process that replaces sensitive card data with a unique token. 
Benefit: Reduces fraud and PCI scope. 

Virtual Terminal 

A web-based interface that allows you to manually enter credit card payments. 
Ideal for: Phone orders and remote billing. 

How This Applies to Your Business 

If you're processing payments today, here’s the reality: 

• If you’re using flat-rate pricing → you’re likely overpaying  

• If you’re not using ACH → you’re leaving margin on the table  

• If you’re not optimizing invoices → you’re slowing cash flow  

• If you don’t understand chargebacks → you’re exposed to risk  

This is why payment strategy matters just as much as payment acceptance. 

Why Businesses Switch to Nationwide Payment Systems 

At Nationwide Payment Systems, we help businesses go beyond basic processing. 

We focus on: 

• Interchange-plus pricing for transparency.  

• ACH + credit card optimization.  

• Smart invoicing with NPSONE  

• Level 2/3 optimization for B2B  

• Industry-specific POS systems  

• 24/7 live support with real relationship managers  

Call to Action 

👉 Book a Demo of NPSONE Smart Invoicing 
See how to combine: 

• Payment processing  

• ACH  

• Invoicing  

• QuickBooks sync  

All in one platform designed to improve cash flow and reduce costs.