What Is a Merchant Account? The Ultimate Guide to How It Works

A merchant account enables businesses to accept payments from credit cards, debit cards, and digital wallets seamlessly.

Whether you shop online, dine at a local restaurant, or subscribe to a streaming service, a merchant account works quietly behind the scenes to transfer funds from your card to the business’s bank account.

In this guide, you’ll get the full picture: what a merchant account is, how it works, why businesses need one, and what to know before choosing a provider. 

What is a Merchant Account?

A merchant account is a specialized business bank account that enables you to accept credit cards and electronic payment processing. It acts as an intermediary between your customer’s bank and your business’s bank account.

Here’s how it works in simple terms:

1. A customer makes a payment using a credit or debit card.
2. The payment is routed through a payment processor and a payment gateway (for online sales).
3. The funds first land in your merchant account.
4. After a short holding period (typically 1–3 business days), the payment processor releases the funds into your business bank account.

Checkout: Payment Processor vs. Payment Gateway [2025]

Without a merchant account, businesses wouldn’t be able to process transactions directly from major card networks like Visa, Mastercard, Discover, or American Express.

This type of account is different from a regular checking account because it’s designed specifically for handling the movement of electronic funds. Payment networks govern this account type and enforce specific security standards.

Why Businesses Need a Merchant Account

The Federal Reserve reported that consumers made over 60% of all U.S. retail transactions using credit or debit cards in 2024. With this growing reliance on cards, having a merchant account is a requirement for successful business operations.

Here are some of the top reasons why you need one:

• To accept credit card payments — in-store, online, or via mobile.
• To increase customer trust — most people feel more comfortable buying from businesses that accept cards.
• To streamline payments — it ensures smoother fund transfers into your business bank account. 
• For recurring payments — it helps with recurring billing, subscriptions, and invoices.

Getting a merchant account for a small business can feel intimidating, but there are providers who specialize in this space, offering affordable, easy-to-understand plans without long-term commitments.

How Does a Merchant Account Work?

You must understand the full journey of a customer’s payment from swipe or click to the final deposit into your business bank account. This process may seem complex at first, but you will easily grasp it once you understand the underlying dynamics. 

Here’s a step-by-step payment flow and how a merchant account works:

1. Customer Initiates a Payment: Whether online, in-store, or via mobile, a customer initiates the payment by entering card details or tapping their card.
2. Payment Gateway Captures the Data: If it’s an online transaction, a payment gateway encrypts the card details and transmits them securely to the payment processor.
3. Payment Processor Gets to Work: The payment processor routes the transaction through the customer’s credit card network (Visa, MasterCard, etc.) and contacts the issuing bank.
4. The Issuing Bank Requests Authorization: Your customer’s bank verifies the card, checks available funds or credit, and approves or declines the transaction within seconds.
5. Funds Go to Your Merchant Account: If approved, your merchant account temporarily holds the transaction amount while the system completes final verifications. 
6. Settlement Happens: Within 1–3 business days, the payment processor transfers the funds from the merchant account to your business bank account after deducting processing fees. 

Why This Process Matters

This workflow handles money movement but also layers in fraud protection, encryption, and chargeback management. That’s why a merchant account is a part of a larger payment infrastructure that keeps transactions flowing smoothly and securely.

By understanding the behind-the-scenes process, you can better troubleshoot issues, reduce the risk of chargebacks, and even reduce fees by optimizing how your transactions are processed.

Difference Between a Merchant Account and a Business Bank Account

At first glance, the two might seem interchangeable, but they serve entirely different roles. The side-by-side chart below can help you understand the differences better:

Feature	Merchant Account	Business Bank Account
Purpose	Accepts card payments from customers	Stores funds for business expenses
Transaction Role	Temporary holding and settlement	Long-term money storage
Direct Customer Use?	No	No
Linked to Payments?	Yes (Credit/Debit/Online Payments)	Sometimes (for deposits, not for direct sales)

In simple terms, your business bank account stores your company’s funds, while a merchant account captures and clears card payments.

💡 You might want to read this: Merchant Account vs. Payment Gateway: Comparison (2025)

Types of Merchant Accounts (And Which One You Need)

Now that you understand the differences between the two, let’s understand the common types of merchant accounts. 

Depending on your business model, risk level, and payment acceptance methods, providers offer several types of merchant accounts. Choosing the right one can save you money, reduce friction, and help you grow faster.

Let’s break down the most common types and which type of merchant account best fits your business.

Retail Merchant Account

A retail merchant account serves businesses that accept in-person, card-present transactions at a physical location. It supports face-to-face card transactions where customers tap, swipe, or insert their cards using a payment terminal. Because the cardholder is physically present during the transaction, these accounts are generally considered lower risk, which often results in lower processing fees and faster payment authorization.

Best for:

• Restaurants
• Coffee shops
• Retail stores
• Salons and spas
• Repair and service businesses

Requirements:

• POS (Point of Sale) system or payment terminal
• Card reader for chip, swipe, or contactless payments
• Stable internet connection for payment processing
• Basic PCI compliance

eCommerce Merchant Account (For Online Stores)

An eCommerce merchant account serves businesses that sell products or services online, handling higher-risk, card-not-present transactions. Since customers enter their payment details remotely and the card is not physically present, these transactions carry a higher fraud risk than in-store purchases. As a result, online merchant accounts typically include additional security features and may have slightly higher processing fees.

Best for:

• Online retailers
• Shopify, WooCommerce, and BigCommerce stores
• Digital product sellers
• Dropshipping businesses
• Subscription-based online businesses

Requirements:

• Secure website with SSL certificate
• Payment gateway integration
• PCI DSS compliance
• Fraud prevention and security measures

MOTO Merchant Account (Mail Order/Telephone Order)

A MOTO (Mail Order/Telephone Order) merchant account allows businesses to accept payments when customers provide their card details over the phone or through mail orders. Since staff enter card information manually rather than capturing it through a card reader, these transactions require additional customer verification to reduce fraud. This account type is commonly used by businesses that sell remotely without an online checkout.

Best for:

• Call centers
• B2B sales teams
• Mail-order businesses
• Remote service providers
• Businesses accepting phone payments

Requirements:

• Virtual terminal or manual card entry system
• Customer verification procedures
• Secure handling of cardholder information
• PCI DSS compliance

High-Risk Merchant Account

A high-risk merchant account is designed for businesses operating in industries that experience higher chargeback rates, regulatory oversight, or greater fraud risk. While these accounts usually come with higher processing fees and stricter underwriting requirements, they provide businesses with reliable payment processing and greater flexibility for handling higher transaction volumes or international customers.

Best for:

• CBD and vape businesses
• Adult entertainment platforms
• Gambling and betting websites
• Forex and cryptocurrency services
• Subscription businesses with higher refund rates

Requirements:

• Detailed business documentation
• Chargeback prevention strategy
• Enhanced fraud monitoring tools
• Compliance with industry regulations

International Merchant Account

An international merchant account enables businesses to accept payments from customers around the world in multiple currencies. It supports global payment methods and simplifies cross-border transactions by offering features such as currency conversion, fraud protection, and international payment processing. This account type is ideal for businesses looking to expand into international markets and provide a localized checkout experience.

Best for:

• Global eCommerce businesses
• SaaS companies
• Digital product sellers
• International subscription services
• Businesses serving customers in multiple countries

Requirements:

• Multi-currency payment processing
• International payment gateway
• Fraud detection and monitoring
• Tax and regulatory compliance for international sales

Which Type of Merchant Account is Right for You?

Not every business needs the same type of merchant account. The right choice depends on how you accept payments, where you sell, and the level of risk associated with your business. Use the comparison chart below to quickly identify the merchant account that best fits your needs.

Business Type	Best Merchant Account Type
Physical retail store	Retail Merchant Account
Online-only e-commerce store	E-commerce Merchant Account
Phone/catalog sales	MOTO Merchant Account
Regulated/high-risk industry	High-Risk Merchant Account
Global customer base	International Merchant Account

By choosing the right account type up front, you can avoid unnecessary fees, get better fraud protection, and receive faster approvals when onboarding with a merchant account provider.

How to Set Up a Merchant Account?

Setting up a merchant account might sound complicated at first, but the process remains straightforward. Whether you’re applying for a merchant account for a small business or for a fast-growing e-commerce operation, this step-by-step guide will walk you through it.

The approval process generally takes anywhere from a few hours to a few business days, depending on your provider and the complexity of your business.

Step #1: Gather Required Documents

Before you apply, it’s smart to have all your documentation ready. Here’s what most merchant account providers will ask for:

• Business license or proof of registration (LLC, Sole Proprietor, etc.)
• Employer Identification Number (EIN) from the IRS
• Voided business check or bank letter (to connect your merchant account to your business bank account)
• Government-issued ID (passport, driver’s license)
• Business bank account details
• Recent bank statements (usually 3 months)
• Processing history, if switching from another provider
• Product or service information (website, refund policy, pricing structure)

Pro Tip: For online businesses, your website should already be live and clearly list your products, pricing, privacy policy, and return/refund terms.

Step #2: Choose a Merchant Account Provider

Next, you’ll need to choose a provider based on your business model, transaction volume, industry type, and budget. Some providers specialize in high-risk merchant accounts, while others cater specifically to e-commerce or retail businesses. 

Key Features to Compare:

• Transaction fees (flat rate vs. interchange-plus)
• Monthly/annual fees
• Setup and termination fees
• Contract length and cancellation terms
• Customer support availability
• Integration with your website or POS system
• PCI compliance support

Popular merchant account providers include: Helcim, Chase Payment Solutions, Stax, PaymentCloud, and National Processing, each catering to different needs.

Step #3: Submit the Application

Most providers allow you to apply online. During the application, be honest about your:

• Industry category
• Average monthly processing volume
• Average ticket size
• Type of transactions (in-person, online, phone orders, etc.)

This information helps the provider assess risk and tailor their services to your business. For example, if you’re applying for a high-risk merchant account, disclosing that upfront can speed up the underwriting process.

Step #4: Underwriting and Approval

Once submitted, your application enters the underwriting process. This is the provider’s due diligence phase. They’ll verify your documents, analyze your business model, and assess your risk level (based on industry, chargeback potential, and other factors).

Depending on the complexity of your business:

• Providers may approve low-risk businesses (like retail stores or low-volume e-commerce) within 24–48 hours.
• High-risk merchants (like CBD sellers, adult content, or subscription services) could take 5–10 business days for review.

Step #5: Integration and Testing

Once approved, you’ll receive:

• Merchant ID (MID)
• Access to your merchant dashboard
• Instructions for connecting to your POS or shopping cart

If you’re using a payment gateway like Authorize.Net or NMI, your provider will assist in linking it to your merchant account. For all-in-one platforms like Stripe or Square, the provider handles this integration internally.

Make sure to test your checkout system before going live. By system, we mean everything that facilitates a successful transaction, including payment authorizations, confirmations, and settlements, etc. Lastly, don’t forget to test the payment gateway.

Step #6: Go Live and Start Accepting Payments

You’re now ready to start accepting payments! 

Customer transactions will flow through your payment gateway, land in your merchant account, and eventually reach your business bank account. The process usually takes just 1–3 business days.

Getting approved is just the beginning. In the next section, we’ll talk about what it costs to keep your merchant account running, including hidden fees you’ll want to watch out for.

Merchant Account Fees and Pricing Explained

One of the most important parts of setting up a merchant account is understanding the fees involved. While many providers advertise “low rates,” the truth is that the pricing structure varies significantly depending on the provider, business type, industry risk, and volume.

Let’s break it all down so you know exactly what to expect and how to avoid getting caught off guard by hidden costs.

1. Transaction Fees (Per-Sale Charges)

Every time you process a credit or debit card payment, you’ll pay a transaction fee. This typically includes:

• Interchange fee (set by the card networks like Visa/Mastercard)
• Assessment fee (also from the card networks)
• Processor markup (what your merchant account provider charges)

Average transaction fees:

• In-person payments: 1.5% to 2.6%
• Online payments: 2.3% to 3.5%
• High-risk industries: 3.5% to 6%

The total fee is often expressed as a percentage of the transaction + fixed amount. Example: 2.9% + $0.30 per transaction (like PayPal or Stripe)

2. Monthly Fees

Some merchant service providers charge a monthly account maintenance fee, typically ranging from $10 to $30. This covers:

• Customer support access
• Account reporting tools
• Basic PCI compliance features

Not all providers charge this, especially flat-rate platforms like Square.

3. PCI Compliance Fee

If you accept credit cards, you must comply with PCI DSS (Payment Card Industry Data Security Standard). Some providers help you become compliant, but others charge a PCI compliance fee, which may be:

• $10 to $25/month or even $100
• Annual fee of around $79 to $120

Non-compliance could also lead to penalties, often $19.95/month or more, until you resolve the issue. 

4. Chargeback Fees

When a customer disputes a transaction, your business may face a chargeback fee, regardless of the outcome. This fee compensates the processor for handling the dispute.

Don’t Miss: Understanding Payment Chargeback: What Merchants Need to Know

• Typical chargeback fees: $20 to $50 per case
• High-risk merchants may face even higher fees
• Excessive chargebacks can jeopardize your merchant account

5. Setup & Termination Fees

Depending on your provider, there may be:

• One-time setup fee (up to $100)
• Early termination fee (ETF) – if you cancel before your contract ends. Some contracts charge up to $500 for early cancellation.

Pro tip: Look for no-contract or month-to-month providers like Helcim or Payment Depot to avoid termination fees.

6. Batch Fees

A batch fee applies when your provider settles (or “batches out”) your transactions at the end of the day.

• Usually $0.10 to $0.30 per batch
• Daily fee, regardless of transaction volume

7. Miscellaneous/Hidden Fees

Here are some less obvious fees that can quietly add up:

• Gateway fee: If using a third-party payment gateway ($5–$15/month)
• Minimum monthly processing fee: Charged if you don’t meet a transaction threshold
• Statement fee: $5–$10/month for mailed paper statements
• AVS/CVV fee: Fraud prevention tools (pennies per transaction)

💡 Expert Pro Tip: In our experience optimizing payment flows for WordPress sites, we’ve seen small businesses lose up to 3% of their monthly revenue to hidden ‘batch fees’ and ‘PCI non-compliance fees.’ Always ask your provider for an ‘interchange-plus’ pricing model to guarantee transparency.

Alternatives to Merchant Accounts (and When They Make Sense)

While traditional merchant accounts offer unmatched control, security, and scalability, they’re not always the right fit for every business, especially in the early stages. If you’re a startup, freelancer, or side hustler looking for faster onboarding or fewer technical requirements, it’s worth considering the available alternatives.

#1: Payment Service Providers (PSPs)

Payment Service Providers, also known as third-party payment processors, act as intermediaries between your business and your customers’ card issuers. Unlike merchant accounts, they aggregate your transactions with many other businesses under a single master account.

When They Make Sense:

• You’re just launching your business
• You process under $10,000/month
• You want fast setup and instant approval
• You need basic online or in-person payment options

Pros:

• Instant approval, no underwriting
• Flat-rate pricing (e.g., 2.9% + $0.30)
• Easy to integrate with eCommerce platforms
• Great for solopreneurs and micro-businesses

Cons:

• Higher fees than custom merchant accounts
• Limited control over chargebacks and disputes
• Account holds/freezes are more common
• Less scalability for growing companies

#2: Mobile Payment Apps

Mobile-first tools like Zelle, Venmo for Business, and Cash App are popular among freelancers, food vendors, and local service providers.

Developers did not design these apps for traditional eCommerce, but they work well for casual transactions. 

When They Make Sense:

• You operate in a peer-to-peer or service-based model
• You don’t need invoices, subscriptions, or reporting features
• You’re not worried about chargebacks or compliance

Pros:

• No hardware required
• Free or low transaction fees
• Instant transfers in many cases
• Easy for customers to use

Cons:

• Not PCI compliant for formal business use
• No customer dispute resolution systems
• Often limited to mobile-only functionality
• May breach terms of service if used commercially without approval

#3: Payment Aggregators via eCommerce Platforms

If you’re using Shopify, BigCommerce, WooCommerce, Wix, or Squarespace, these platforms often integrate payment processing directly into your website builder via services like Shopify Payments, Wix Payments, or WooPayments.

When They Make Sense:

• You’re launching an online store quickly
• You want a plug-and-play solution with minimal tech work
• You’re okay with using the platform’s preferred processor

Pros:

• Integrated dashboards (orders + payments)
• Streamlined checkout for customers
• Predictable flat-rate fees
• No need to deal with third-party providers directly

Cons:

• Locked into their ecosystem
• Switching payment providers may require full site rebuild
• Flat fees can become expensive at scale

#4: All-in-One Invoicing and Payment Platforms

For freelancers, consultants, and B2B businesses, platforms like FreshBooks, Wave, Bonsai, or HoneyBook offer invoicing, contracts, and payment acceptance all in one place.

When They Make Sense:

• You bill clients via email or PDF invoices
• You need contracts, proposals, and payments in one workflow
• You’re not doing in-person or POS-based sales

Pros:

• Professional client experience
• Automation for recurring invoices
• Some platforms support ACH transfers (lower fees)
• Great for solo professionals

Cons:

• Less suitable for high-volume, retail, or eCommerce sales
• Not optimized for physical products or inventory
• Limited fraud protection compared to full merchant accounts

#5: Crypto Payment Gateways

For technology oriented audiences, cryptocurrency payment gateways like Coinbase Commerce, BitPay, or NOWPayments allow you to accept Bitcoin, Ethereum, and other coins as payment.

When They Make Sense:

• You cater to a tech-forward or international audience
• You want to bypass traditional banking and fees
• You understand crypto volatility and regulations

Pros:

• No chargebacks
• Lower transaction fees than traditional cards
• Access to global markets

Cons:

• Price volatility (your $100 could be $85 tomorrow)
• Less mainstream adoption
• Complex tax implications
• Not accepted by most accounting platforms or banks

Now you have all the essential knowledge to choose and manage the right merchant account for your business. 

Use Square for WordPress [No Merchant Account Needed]

If you want to skip merchant account setup entirely, connect Square to your WordPress site with WP EasyPay. This powerful plugin lets you accept online payments, donations, and subscriptions quickly, requiring no coding or third-party merchant account. 

WP EasyPay offers secure transactions, real-time reporting, and simple recurring billing, all inside WordPress. It’s a smart choice for small businesses, nonprofits, and freelancers who want fast setup and lower fees.

Download the WP Easy Pay plugin and start accepting credit card payments on WordPress today with WP EasyPay and Square. It’s easy, affordable, and built to grow with you.

Frequently Asked Questions