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Payment Gateway vs Payment Processor vs Merchant Account: Key Differences

Payment Gateway vs Payment Processor vs Merchant Account: Key Differences

If you’re new to the world of online payments, it’s easy to get confused by all the jargon. Payment gateway, merchant account, payment processor — they all sound kind of similar, right? But each one plays a different role in helping businesses accept credit and debit card payments. 

Let’s break it all down in a way that actually makes sense.

Differences between a payment gateway, merchant account, and payment processor

Payment processing is a team effort. The gateway handles the front end, the processor makes sure the transaction is legitimate, and the merchant account holds the funds until they’re all settled. 

All of this happens in just a few seconds to give customers a quick and safe checkout experience.

Here is a quick comparison between these three terms:

Payment gateway vs payment processor vs merchant account: a comparison table.

What is a payment gateway?

A payment gateway acts as a middleman between your website (or point-of-sale system) and the bank. When customers enter their card information, the gateway encrypts and securely sends it to the payment processor or bank.

In other words, it’s the tech that makes sure payments can happen safely — whether they happen online or in-store.

Popular examples include Authorize.net, Braintree, Stripe, and SecureGlobalPay.

What is a merchant account?

A merchant account is a special kind of bank account where your customers’ card payments go before the money hits your actual business bank account.

When someone buys something from your store, the money doesn’t go directly to you — it goes into this holding account first.

Roughly speaking, there are three major merchant account types you can choose from:

  • Retail merchant accounts: For businesses that mainly operate in physical locations (like shops or cafes).
  • High-risk merchant accounts: For businesses that are considered riskier by banks (like those in adult entertainment, travel, or subscription services).
  • Merchant aggregators: A shared account model used by platforms like PayPal, Stripe, or Square — great for small businesses, freelancers, and start-ups that are not in a high-risk industry.
A table comparison between different types of merchant accounts.

What is a payment processor?

A payment processor (also known as PSP — payment service provider) is a company that handles the behind-the-scenes part of card transactions. It’s not just an app or a piece of software — it’s a full service that uses technology to move money from your customer’s bank to yours.

When someone pays with a card, the payment processor jumps into action. It checks if the card is valid, confirms there’s enough money or credit, talks to the customer’s bank, and makes sure the transaction is approved. Then, it helps move the funds to your merchant or bank accounts.

Most payment processors also offer helpful services like:

  • Fraud protection
  • Chargeback management
  • PCI compliance (so you’re meeting security standards)
In modern setups, the payment gateway and processor often come as part of the overall package from the same provider. That’s why the lines between the two are blurry, and it feels like the gateway is doing all the work — which in many ways, it is!

Sometimes, the same company handles all three roles — gateway, processor, and merchant account (like Stripe or SecureGlobalPay). But it’s still helpful to know what each piece does separately.

How do they work together to deliver a smooth payment experience

Let’s walk through what actually happens when a customer makes an online purchase. These different parts — the payment gateway, processor, and merchant account — work together behind the scenes to make sure everything runs smoothly.

Here’s a step-by-step look at how it all goes down:

  1. Customer starts the checkout: The customer picks what they want and enters their card info on your website or app.
  2. Payment gateway secures the data: The gateway encrypts the card details and securely sends them off to the payment processor — making sure no one can snoop in.
  3. Payment processor checks the details: The processor gets the info and talks to the customer’s bank or card network (like Visa or Mastercard) to check if the card is valid and if there’s enough money.
  4. Card issuer gives the green light: If everything checks out, the customer’s bank sends back an approval. This “yes” goes from the processor to the gateway, and then back to your website — so you know the payment went through.
  5. Money lands in the merchant account: The payment isn’t in your bank just yet. First, the funds go into your merchant account — a temporary holding spot.
  6. The payment processor sends you the cash: All approved payments are settled at the end of the day or the next day (depending on the contract with your merchant services provider). The processor moves the money from your merchant account to your regular business bank account.

SecureGlobalPay offers everything you need to start accepting payments

Looking for an all-in-one payment solution that includes a merchant account, a payment gateway, and a payment processor? SecureGlobalPay has you covered. 

Whether you’re running a brick-and-mortar shop, selling online, or operating in a high-risk industry, we have everything you need to start accepting payments quickly and securely.

Here’s what you get with SecureGlobalPay:

  • Retail or high-risk merchant accounts: We can set you up with any type of merchant account you need, regardless of your industry.
  • Modern payment gateway: Secure, fast, and easy to integrate with your site or app.
  • Fast approvals & setup: Get up and running in no time, without the usual headaches.
  • Free processing equipment: Terminals, credit card readers, and more — at no extra cost.
  • Zero-fee programs: Keep more of your revenue with our Dual pricing and Cash Discounting programs that help eliminate processing fees.
  • Dedicated support team: Get 24/7 support from dedicated account managers with 20+ years of experience under their belt.

No confusing setups. No unnecessary fees. Just a reliable, flexible way to accept payments and grow your business.

FAQs

Do I need both a payment gateway and a merchant account?

Yes — if you’re accepting online card payments the traditional way, you typically need both.

That said, many modern providers (like Square or SecureGlobalPay) bundle both into one service, so you don’t always have to set them up separately.

Can I accept payments without a merchant account?

Yes, but only if you use a payment aggregator. Companies like PayPal or Stripe allow you to accept payments using their merchant account. It’s convenient for small businesses or those just starting out. However, bigger businesses prefer a dedicated merchant account for more control and better rates.

Can one payment gateway support multiple merchant accounts?

Yes! Some payment gateways are flexible enough to work with multiple merchant accounts. This can be really helpful if you run several businesses or process high transaction volumes. You’ll just need to make sure your gateway provider supports this setup — SecureGlobalPay does, but many others do not.

Merchant Application