Compare The Best Credit Card Processing Services

 Want to jump straight to the answer? The best credit card processing services for most businesses are Stax or Square.

A good credit card processor is crucial for the success of your company. Whether you’re selling in-person or online, this guide will help you choose the best credit card processing service for your business.

The 10 Best Credit Card Processing Services

  • Stax – Best for reducing fees on all payment types
  • Payment Depot – Best for high-volume payment processing
  • Square – Best for stores with in-person and online sales
  • Helcim – Best for small businesses processing more than $3,000 per month
  • Flagship Merchant Services – Best customer service for small businesses
  • National Processing – Best for paying month-to-month
  • Stripe – Best for online stores
  • PayPal – Best simple solution for small business payment processing
  • CDGcommerce – Best for non-profit organizations
  • Payline – Best for high-risk businesses
How to choose a credit card processing service.'s methodology for reviewing credit card processing services.

For each processor, I’ll break down the pricing, benefits, drawbacks, and which types of businesses should consider the service.

Below that, you’ll find a guide to how we selected the processors on this list and how you can use the same criteria to make the best choice for your business.

Stax — Best For Reducing Fees on All Payment Types

  • Transparent flat-fee pricing
  • 0% markup on Interchange
  • No contract
  • 24/7 customer support
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Stax is an all-in-one merchant services provider. Services include low-cost ACH processing, integrated payments, invoicing and billing software, analytics, and more. Stax is most widely known for its transparent fees, subscription-based pricing model, and 0% markup on interchange rates–and for accepting all payment types.

Stax credit card processing home page.

Stax accepts every type of in-person or online payment option you can think of, including:

  • All major credit and debit cards, including card-on-file recurring billing 
  • ACH payments
  • Text2Pay
  • Virtual terminal
  • Contactless payments, where buyers can wave their contactless card, phone, or smartwatch over the terminal to make a payment
  • Electronic invoices that can be paid via email or text

Accepted cards include Visa, Mastercard, American Express, Discover, debit cards, JCB Dining, EBT, Health Flex, Wex, and Voyager.

You can accept payments from almost any point-of-sale (POS) system, online payment gateway, or through the Stax mobile app for iOS and Android. Stax integrates with most third-party POS terminals for free, and you can also purchase virtual POS terminals and mobile card readers from Stax directly.

When you pick a pricing tier from Stax, you get a free terminal of your choice and Stax Pay. Stax Pay is the company’s centralized platform for users to accept all payment types and integrate tools in one intuitive dashboard. From the dashboard, you can run reports, view statements, do invoicing, and access customer support.

Stax has processed over $9 billion in payments since opening its doors in 2014, and boasts a pretty amazing 95% customer satisfaction rating, in addition to good reviews across platforms. 

The subscription pricing starts at $99 per month, including a free terminal or mobile reader, ACH processing, analytics, and more. Transaction fees are 8 cents + Interchange on card-present transactions and 15 cents + Interchange on keyed-in and online transactions. But the Interchange markup is 0%. 

Stax also provides a robust knowledge base and 24/7 customer support. Learn more about Stax.

Payment Depot — Best for high-volume payment processing

  • 90-day free trial
  • Fixed costs per transaction
  • Best for high-volume merchants
  • Free gateway with most plans
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Payment Depot processes more than $4 billion in credit card sales with over 3 million transactions per month. Their system is simple; they charge a membership fee to give you access to wholesale processing rates.

Think of Payment Depot as the Costco for credit card processing. The prices are lower than the competition, but you need to be a member.

For this reason, Payment Depot is the best option for high-volume merchants.

Payment Depot does not take a percentage of each transaction. They simply charge a fixed amount per transaction based on your membership tier on top of the interchange fee.

The parent company behind Stax recently purchased Payment Depot, meaning these two competitors are now sister companies. As of now, the two will continue to operate independently of each other. However, it is possible that the two will merge at some point in the future.

Payment Depot recently reworked its payment plans, which include:

  • Starter — $59 per month plus processing costs for processing up to $125,000 worth of transactions per year
  • Starter Plus — $79 per month plus processing costs for processing up to $250,000 worth of transactions per year
  • Growth — $99 per month plus processing costs for processing up to $500,000 worth of transactions per year

If you have more than $500,000 in transactions per year, you can contact Payment Depot for a custom price quote.

All plans come with a 90-day free trial.

Payment Depot is used by big brands like Dominos, Boost Mobile, Subway, Arco, and Sprint. I wouldn’t consider this payment processor unless you’re over the $25,000 monthly limit.

As you can see from the rates, you can save lots of money on processing fees with a Payment Depot membership.

Overall, this is an impressive payment processing service. The only downside is that it’s not realistic for most smaller businesses to consider.

Square — Best for stores with in-person and online sales

  • Ability to get paid fast
  • Fraud prevention
  • Straightforward pricing
  • Instant transfers
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Any business accepting in-person payments needs to take a look at Square.

Square ranked first on my list of the best POS systems, so the fact that they double as a payment processor is an added bonus.

Square offers POS systems with built-in payment processing, and more than two million businesses currently take advantage of Square’s card processing features.

Square also processes payments online, on the go, through recurring invoices, and manually for orders taken over the phone. But with that said, the in-person POS processing is where Square really shines.

Another standout of Square is the ability to get paid fast.

While most processing companies usually take a couple of days for funds withdrawals, Square gets money in your bank account within the next business day. They also offer instant transfers for a fee.

Square’s pricing is straightforward and transparent. You’ll pay the same rate for every card, including Discover and American Express.

They don’t charge any startup fees, monthly fees, cancelation fees, authorization fees, statement fees, terminal fees, or other common industry-standard markups.

Square pricing varies slightly by industry and POS hardware, but here are the most common rates offered:

  • Square Point of Sale — 2.6% + $0.10 per transaction
  • Square For Retail — 2.6% + $0.10 per transaction
  • Ecommerce transactions — 2.9% + $0.30 per transaction
  • Card not present transactions — 3.5% + $0.15 per transaction
  • Card on file transactions — 3.5% + $0.15 per transaction

Signing up and getting started with Square is simple. And Square provides you with everything you need for success when processing credit card payments. They have active fraud prevention, account takeover protection, dispute management, plus other security measures like PCI compliance and end-to-end encryption.

The only major drawback of Square is that its customer service is not available 24/7. Most processing companies can be reached on weekends, nights, or other odd hours.

If I were running a physical retail store and wanted a POS system and payment processor from the same company, I’d choose Square.

Helcim — Best for small businesses processing more than $3,000 per month

  • $0 monthly fees
  • Best rate guarantee
  • Interchange pricing structure
  • Contracts are month-to-month
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Helcim is an all-in-one payment processing service for retail locations and online stores.

I highly suggest it for any small-business owner.

Where Helcim shines is their transparency. Their interchange pricing structure shows you exactly how much you’ll pay above the interchange rate set by the credit card companies.

They also have one of the best rate guarantee in the industry. They will never increase your rates for the lifetime of your account. While the fees for certain cards might go up, the Helcim margins will always remain the same.

While Helcim does have the online feature, I’d personally just consider them for in-person payments.

Your rates will vary by industry, monthly processing volume, and average transaction amount.

The industry options are:

  • Retail
  • Restaurant
  • Online
  • Charities
  • Real estate and property management
  • Online international

Here’s a detailed look at the pricing rates for retail merchants based on monthly volume.

Pricing Fees - Helcim

Helcim interchange pricing costs are below average compared to many others out there. So it’s a great way for small businesses to save money on credit card processing—even if they are in the lower pricing tiers.

Helcim contracts are month-to-month, and they don’t charge any cancellation fees.

They integrate with QuickBooks to improve your small business accounting process as well.

Helcim offers a POS system, with an app that’s free with your plan.

While Helcim prices are competitive and generally low, it’s not the best choice for those of you who are only processing less than $3,000 per month. You can probably find a more cost-effective alternative elsewhere.

Flagship Merchant Services — Best customer service for small businesses

  • Totally customizable
  • Tiered pricing
  • Interchange plus options
  • Flexible terms

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If you need a fully customized credit card processing plan, look no further than Flagship Merchant Services. As a smaller financial institution, Flagship is known for providing more attention to merchants with white-glove support and service—24/7.

They offer flexible terms and month-to-month options for all types of businesses.

Flagship Merchant Services home page

In terms of customization, Flagship Merchant Services offers both tiered pricing and interchange-plus pricing plans. Most payment processors just offer one or the other.

One potential drawback of this processor is the initial setup. You can’t find any rates or terms online, so you’ll need to request a quote from a sales rep to learn more.

Merchants will receive a free Clover Mini POS system or EMV-certified terminal for opening an account with Flagship. If Flagship Merchant Services doesn’t meet or beat your total processing costs, they’ll send you a $200 Amex gift card—guaranteed.

National Processing — Best for paying month-to-month

  • Month-to-month billing
  • No early termination fee
  • Extremely competitive rates
  • Great reputation

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Founded in 2007 and headquartered in Utah, National Processing is a smaller company compared to some of the other top picks on our list. 

But don’t let this small size fool you. National Processing still provides excellent services at affordable pricing for small to mid-sized organizations. 

This provider really stands out from the crowd with its month-to-month billing and no early termination fees. This is almost unheard of in the credit card processing industry.

Interchange-plus pricing comes standard, which means you’re getting fair rates. 

In addition to card acceptance, you’ll also be able to use National Processing for low-cost ACH and echeck payments. 

Overall, the company has a solid online reputation and tons of great reviews. They even donate 10% of their profits to charity.

If you prefer a month-to-month plan, just be aware that you won’t get a free terminal. This is only offered to businesses on a long-term contract. 

Overall, National Processing is an excellent option for any small to medium-sized business. They offer competitive rates and fees paired with high-quality service.

Stripe — Best for online stores

  • Built for developers
  • API and UI toolkit
  • Wide range of payment options
  • Easy to use
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If you’re accepting payments online and want to do so easily, Stripe should be one of your top choices. In fact, Stripe ranked first on my list of the best payment methods for your ecommerce site.

Stripe is built for developers, so there is a slight learning curve. However, you’ll quickly realize that this payment processor is easy to use, regardless of your technical experience.

For those of you who want to take advantage of the developer features, you’ll be impressed with the Stripe API and UI toolkit.

Another top benefit of Stripe is its built-in fraud protection system. This will help you manage and avoid ecommerce chargebacks.

It’s easy to integrate Stripe with your ecommerce store, regardless of the platform that you’re using. Stripe accepts a wide range of payment options, including digital wallets like Apple Pay, Microsoft Pay, Google Pay, and Visa Checkout.

Stripe helps simplify your checkout process. According to a recent IDC report, businesses using this payment processing service were able to increase their revenue by 6.7%.

The report also found that Stripe resulted in 59% higher productivity, 81% fewer unplanned outages, and 24% lower operating costs.

Speaking of costs, Stripe is an affordable payment processor, even if you’re just starting out. The fixed pricing model is very straightforward:

  • Online transactions — 2.9% + $0.30
  • International cards — Additional 1% per transaction
  • Currency conversion — Additional 1% per transactions
  • ACH debits — 0.8% with a $5 max per transaction
  • In-person payments — $2.7% + $0.05

If you use Stripe to set up recurring charges for subscription customers, your first $1 million is free. After that, you’ll pay $0.5% on all recurring charges.

I like Stripe because you pay the same flat rate for all credit cards, including digital wallets and premium cards like American Express. It’s also pretty intuitive and powerful once you get the hang of it.

For those of you with unique business models and large payouts, you may qualify for a customized pricing solution. Contact the Stripe sales team about volume discounts, interchange pricing, and multi-product discounts.

Overall, Stripe is an ideal solution for any ecommerce business. It is highly technical, which can be a drawback for companies that don’t have a developer on staff.

PayPal — Best simple solution for small business payment processing

  • Trusted well-known brand
  • Online or in-person payments
  • Extremely easy to set up
  • Trusted and reputable brand

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PayPal has been a giant in the world of processing transactions for more than a decade. There’s a good chance that you’ve used PayPal in some form or another in your personal life.

While PayPal has always been known for its P2P payments, it’s also a great choice for businesses to use as a payment processing service.

You can use PayPal to accept payments both online or in-person. I highly recommend it for low-volume businesses to get paid online.

I recently wrote an article comparing PayPal vs. Stripe for ecommerce. While Stripe definitely has its fair share of advantages, the PayPal technology is much simpler. It’s also extremely easy to set up. You won’t need to worry about all of the developer features like you do with Stripe.

Let’s take a closer look at PayPal’s processing fees:

  • Online payments and invoicing — 2.9% + $0.30 per transaction
  • Mobile and in-store payments — 2.7% per transaction
  • Manual entry transactions — 3.5% + $0.15 per transaction

Pricing is nearly identical to Stripe.

One of the best parts about using PayPal as your online payment processor is that you’ll be able to accept PayPal, Venmo, and PayPal credits in addition to all major credit and debit cards. That flexibility is a huge boon for your customers.

This is a massive advantage over other payment processors, where you would need to integrate PayPal separately.

While I personally like PayPal’s online features, the flat rate of 2.7% per transaction for mobile and in-store payments is appealing for low-volume merchants as well.

The biggest downside of using PayPal is that customers will be taken to the PayPal website to finish processing all online transactions. You can eliminate this step and integrate PayPal directly into your site, but there is an added fee for that.

Speaking of added fees, PayPal has a long list of add-ons and other incidentals that they charge for. They are transparent about these prices, but make sure you review all of them in your contract so you fully understand the terms.

Overall, you know you’re getting a trusted and reputable brand if you use PayPal to process credit card transactions for your business.

CDGcommerce — Best for non-profit organizations

  • Industry specific services
  • No monthly fee or minimums
  • Flexible pricing options
  • Best for nonprofit organizations

>> Compare Quotes

CDGcommerce offers custom credit card processing services for different industries including:

  • Retail
  • Restaurant
  • Service
  • B2B
  • Ecommerce
  • Nonprofit

Clearly, all of these different business types will have varying needs. But overall, CDGcommerce is the best choice for nonprofit organizations.

That’s because CDGcommerce doesn’t charge any monthly fees or require monthly minimums for nonprofits. You can get an integrated mobile card reader, set up recurring billing, and benefit from special nonprofit rates.

The rates will vary based on volume and specific needs, but nonprofit processing typically starts 0.20% + $0.10 per transaction, plus interchange costs.

If you fall into one of the other categories, CDGcommerce has flexible pricing options based on your monthly volume.

One Rate Pricing: $1,000 – $10,000 monthly volume

  • Flat rate and fixed monthly fee
  • Customer tracking
  • Loyalty promotions
  • Invoicing, virtual terminal, ecommerce solutions
  • Fully integrated credit card terminal
  • Nonprofit campaign and donation management

Interchange Plus Pricing: $10,000 – $200,000 monthly volume

  • Full transparency
  • Pass-through pricing
  • $100,000 data breach protection plan
  • PCI security tools and solutions

Wholesale Membership: $200,000+ monthly volume

  • Discounted pricing based on annual membership
  • All benefits of the other plans

Again, the specific rates will vary for each business based on a number of factors. You need to contact the CDGcommerce sales team to request a quote.

I chatted with an online sales rep just to see how long this would take, and I got a quick answer in just a couple of minutes. This wasn’t an official quote, but it’s nice knowing that they are quick to respond. That’s where I got the starting rates for nonprofits, which isn’t listed anywhere on the website.

Payline — Best for high-risk businesses

  • Accepts high-risk merchants
  • Customized pricing and plans
  • Wide range of solutions
  • Apply online

>> Compare Quotes

Payline offers a wide range of solutions for mobile payments, ecommerce payments, and in-person payments.

Sure, you might not have heard of them — but that doesn’t mean they don’t offer a fantastic service.

They can meet the needs of small business owners, enterprises, and everyone in between.

However, Payline is the best option for a very specific type of business: high-risk merchants.

For one reason or another, certain merchants are considered a high risk to credit card processing companies. It could have to do with the history of your company, or maybe it has to do with the types of products that you’re selling (CBD, firearms, vaping, etc).

It’s tough for these merchants to find a credit card processing service that will work with them, and even harder to find one that will offer favorable rate terms.

So if you fall into the high-risk merchant category, Payline will be your best option.

Payline will even work with businesses in online gaming, casinos, multi-level marketing, and adult industries.

Rates and plans are customized for each merchant. But if you’re struggling to find a payment processor that will accept your business, I’d schedule a call or apply online with Payline.

How to Find the Best Credit Card Processing Services

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There are specific features to look for when you’re evaluating a credit card processing service. This is our methodology at Quick Sprout for filtering results down to this list.

Pricing Type

There are two main pricing structures for credit card processing.

  • Fixed
  • Interchange

With fixed pricing, it’s the same rate for each transaction, regardless of the credit card that the customer uses. Stripe, Square, and PayPal are examples of processors with fixed prices.

For interchange pricing, you pay the amount charged by the credit card company, plus the markup fees of the processor. Helcim has interchange pricing.

Flagship Merchant Services offers both fixed-rate plans as well as interchange pricing, since they provide custom solutions for different businesses. Some credit card processors, like Payment Depot, will charge you a monthly rate to access wholesale prices.

The pricing structure you ultimately choose will depend on your business and business type. Don’t slouch on this when researching — it’s going to have a massive impact on your bottom line.

Monthly Volume

Most high-volume merchants can get lower processing rates per transaction. You can request a custom quote from nearly every credit card processor, even if they have fixed rates advertised on their website.

There are certain services that are best for high-volume merchants, and others that are better for low-volume merchants.

I’d recommend PayPal for low-volume processing and Payment Depot for high-volume credit card transactions.


The type of business you have will affect your credit card processing terms. Rates vary if you’re processing cards online, in-person, or over the phone for “card not present” transactions.

Stripe is the best provider for online transactions, while Square is better for brick-and-mortar retail locations.

Other payment processing services specialize in nonprofit organizations or high-risk merchant industries. So if you fall into one of those categories, you’ll need to find a processor that can meet those needs.

Funds Withdrawals

How soon can you get your money?

In most cases, funds are available in your bank account after two business days. Sometimes this period can be a bit longer when you’re just starting out.

Other credit card processors offer next-day delivery for funds. Some providers will let you do an instant funds withdrawal for an added fee. So if you need your money immediately, this is definitely something that you need to keep in mind.

Extra Costs

In addition to the transactional fees or monthly plan rates, there are other costs that you need to keep in mind when you’re evaluating a credit card payment processor.

I’m referring to things like hardware, POS systems, and payment terminals. Some providers charge extra for international transactions, setup fees, or cancellations.

So make sure you review all of this before you decide on a service based on the transactional rates alone.

Security and Fraud Prevention

It’s no secret that credit card fraud is rampant. Credit card fraud accounted for over 450,000 instances of fraud and identity theft in 2020. However, credit cards remain the preferred way of payment for most people, so it’s an option that you need to have available for your customers or clients. 

When you’re looking for a trusted and reliable credit card processing service, you want one that is there to defend your company if fraudulent activity arises. 

Set your sights on a processing provider that offers fully integrated security and fraud-fighting solutions. Find one that does this via encryption, tokenization technology, and other methods to cut back on the likelihood of card-not-present e-commerce fraud. 

The Top Credit Card Processing Companies in Summary

Credit card processing comes in all different shapes and sizes. There are varying fee structures, contract terms, and services offered by each processor. To get the lowest possible rate from a quality provider, you need to shop around and compare quotes.

Interchange plus pricing typically offers the lowest fees. But for startups and small businesses looking for simplicity, fixed-rate processing can still get the job done, especially if the service comes with added perks.

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