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Payment processing

The best way to accept payments depends on how much you sell.

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Behind every transaction is a complex dance between service providers, card networks and banks — and payment processors orchestrate it all. To accept payments from customers, businesses need a payment processing provider. And understanding transaction mechanics can help you find the right one for your business.

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1 - 4 of 4
Name Product Starting price Hosting
Payment processing, POS software, POS hardware, Website builder, Inventory tracking, Shopping cart software
2.6% + 10¢ for payment processing, POS software included
Square is a one-stop shop with both e-commerce and in-person solutions.
Payment processing, Website builder, Inventory tracking, Shopping cart software, Shipping software
Shopify offers both e-commerce and in-person POS systems designed to help you build a new online store from the ground up.
Payment processing, Website builder, Inventory tracking, Shopping cart software, Shipping software
BigCommerce is an all-in-one e-commerce platform created to help you sell more.
Payment processing, POS software, POS hardware
2.9% + 30¢ per successful card charge
Integrated apps help you manage your business in one place.

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What is payment processing?

Payment processing is the system used for customers to pay merchants for goods and services. These transactions use third-party payment processing companies that manage purchases made with credit and debit cards. From buying groceries to online shopping, these providers handle banking information exchanges for both customers and merchants.

How does card processing work?

Processing transactions takes place in seconds — but behind the scenes, a complicated series of interactions take place.

Payment processing graphic

What do I need to accept payments in my store?

Merchants must have both the payment processing hardware and software to facilitate customer transactions. Whether it’s a debit card, credit card or ACH payment, there are several things a merchant needs to accept the payment:

  • Credit card processing company. A credit card processing company directs a customer’s banking information through the appropriate channels, confirms available funds for the purchase and approves the transaction — all in a matter of seconds.
  • Credit card processing hardware. If you plan to accept payment by debit or credit card, processing hardware makes it happen. Hardware options range from traditional terminals with PIN pads to integrated machine systems that include cash drawers, receipt printers and handheld scanners.
  • Merchant account. Merchant accounts — offered by acquiring banks — allow businesses to accept electronic payments into a business transaction account. These accounts act as the electronic highway for processing transactions, but don’t accumulate balances as deposit accounts.
  • Business transaction account. An essential for any business, large or small, is a business transaction account, offering the opportunity for businesses to manage cash flow, track earnings and withdraw and deposit funds.

Will I need 4 separate providers?

Some card processing services offer merchant accounts, while others bundle processing hardware into the mix. But you’re unlikely to find a single provider that can offer everything you need to process customer payments.

Be prepared to compare providers for merchant accounts, processing services, hardware and business transaction accounts. While there are opportunities to bundle, you likely need more than one provider to facilitate customer payments.

What are wholesale and mark-up fees?

There are two types of fees associated with credit card processing: wholesale and mark-up fees.

Wholesale fees are fixed and non-negotiable. They’re charged by credit card associations, such as Visa and Mastercard, and issuing banks, like Westpac. Wholesale fees remain the same, no matter which payment processor you use.

Mark-up fees, on the other hand, vary between providers and are negotiable. Mark-up fees are charged by your processing provider and other third-party providers to cover service costs.

Some payment processors blend wholesale and mark-up fees into a single fee for each transaction, while others keep the fees separate. If your provider opts to blend wholesale and mark-up fees, keep an eye on monthly charges — some providers use this fee structure to keep merchants in the dark about what’s charged and why.

How does pricing work?

You'll need to pay to process payments through your merchant account, but not all providers charge fees the same way:

Tiered pricing

  • Best for: Merchants who prefer blended fees.
  • Choose something else if: You prefer an itemised breakdown of costs.

Tiered pricing bundles wholesale and mark-up fees into a single cost per transaction. These pricing models typically assign transactions a qualified, mid-qualified or non-qualified rate, with qualified transactions receiving the most competitive fees. Some providers use this pricing model making it difficult for merchants to differentiate which tier they’re charged.

Flat-rate pricing

  • Best for: Merchants with low volume sales who prefer a single flat rate for all transactions.
  • Choose something else if: Your business processes a high volume of transactions.

Like tiered pricing, flat-rate pricing blends wholesale and mark-up fees. However, instead of tiered rates, it charges a single fixed fee for each transaction. So it’s easy to track how much merchants pay per transaction, but costs are higher for high-volume of transactions.

Interchange-plus pricing

  • Best for: Merchants who prize provider transparency and want fees broken down by transaction.
  • Choose something else if: You prefer to bundle your wholesale and mark-up fees and don’t want to sift through your monthly statements.

This pricing model separates and itemises wholesale and mark-up fees on your monthly statements to see exactly how much you pay per transaction. Mark-ups for interchange-plus pricing typically include a blended percentage and per-transaction fee for each transaction.

Membership pricing

  • Best for: Big businesses that want to save on a high volume of transactions with a flat-rate monthly mark-up fee.
  • Choose something else if: You have a small business and prefer to pay mark-up fees per-transaction.

Like interchange-plus pricing, membership pricing separates wholesale and mark-up fees. But instead of paying a percentage mark-up, merchants pay a flat rate for each transaction on top of a monthly subscription fee. This model is good for large businesses that process many transactions as it offers the opportunity to save on mark-up fees.

What types of payments can I accept?

While most providers process almost any type of transaction, there are exceptions. For example, Stripe no longer accepts cryptocurrency.

Credit card processing

To accept credit cards, you’ll need a credit card machine or terminal that connects to the Internet and transmits cardholder data.

Traditional terminals use an ethernet or telephone line to access the Internet and connect to cash registers. Restaurants typically use portable machines and connect wirelessly to the Internet through Wi-Fi or Bluetooth. Smart terminals, like the Square Terminal typically feature a touchpad display and feature a mobile wireless connection.

Credit cards cost more to process than debit cards, with interchange fees that range between 0.20% to 0.80% of the total cost of the transaction.

Debit card processing

All debit cards are processed using a credit card terminal. But if your business processes many debit transactions you need a machine with a PIN pad. Merchants can charge debit card transactions in two ways: the debit method or the credit method.

The credit method processes cards the same way as with credit cards — but with a higher fee. The debit method requires customers to enter a PIN to authorise, and merchants pay a lower fee.

Interchange fees on debit card payments are limited to 15 cents or 0.20% of the total cost of the transaction.

Cheque processing

While less ubiquitous than they once were, some customers may still want to pay using a traditional paper cheque. Your business needs a business transaction account and a cheque scanner. Cheque scanners turn paper cheques into ACH transactions, saving you an additional trip to the bank.

There may be a one-time or ongoing equipment fee for using a cheque scanner. Additional cheque processing fees depend on your transaction account provider. The Reserve Bank of Australia estimates that the average cost to process a paper cheque is $4.22, while other commercial banks suggest the cost is higher.

How do I choose the right payment processor?

Knowing how to compare your options can help you select the right payment processor for your business. Here’s how to assess a potential provider:

  • Pricing. Select from providers that offer pricing models best suited to the size of your business and the volume of transactions you expect to process. Interchange-plus pricing is best for most businesses, but depending on your transaction volume, you may benefit from flat-rate or membership pricing.
  • Hardware. How do your customers prefer to pay? Smart terminals offer sophisticated mobility, while integrated systems come with registers, receipt printers and handheld scanners.
  • Accepted payment methods. Ensure that your potential provider can process the payment methods that matter most for your business and the way you plan to accept payments.
  • Reputation. Explore your provider’s online reputation and merchant feedback on platforms like the Better Business Bureau and Trustpilot.
  • Customer service. If you do the bulk of your business on weekends, opt for a provider with service reps available to answer queries outside weekdays.

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