eCommerce Payment Gateway Integration for Your Website & App (with Video-Guides)
Choosing a payment gateway for an eCommerce business is one of those major decisions that impacts your bottom line in many ways.
That’s because different online payment gateway systems have varying processing times, currencies & countries serviced, transaction fees, platform compatibilities, and payment methods.
Online payment terminology is rather complicated, reflecting the insanely sophisticated interconnections among the players in the payment market.
If you need to wrap your head around a merchant account, payment processor, debit cards, electronic checks, payment getaways, and other PayPal's of the world – pour yourself a brutally strong cup of coffee and stick around.
Types Of Online Payments (EFT or Electronic Funds Transfer methods)
eCcommerce payment options matter for the customer, giving them the flexibility of using their preferred one. The more eCommerce payment methods an online store offers to its clients, the more clients they will be able to attract & convert.
(Funds go directly from a bank account of a buyer to a bank account of a seller.)
(The credit card issuer charges the buyer, who pays according to a schedule and terms set by their credit card issuer, while the card issuing bank pays the seller.)
(Cash, previously deposited by a user into the account, goes directly from the bank account of a buyer to a bank account of a seller.)
(Money previously deposited to PayPal by a user with registered account is transferred to the seller’s account with a transaction fee applicable.)
(Not a widespread method of payment. E-checks are a digital form of the archaic paper checks. Automated Clearing House /ACH/ are used to direct funds from a buyer's account into the seller's account. Due to the use of ACH for fund transfer, instead of the more expensive card networks, the transaction fees are lower.)
Wire Transfer or Bank Transfer
(This method is widely used in Europe for bigger purchases when funds go directly from a buyer’s account into a seller’s account.)
(A fast-growing segment with the expansion of AliPay, Apple Pay and Google Pay. Mobile payments eliminate the need to take your wallet out. They work similarly to the way debit cards do, but the user needs to get an account with the mobile payment service, and their personal information will be attached to an e-wallet in their mobile device. This service is often referred to as digital wallet or e-wallet.)
What Is a Payment Gateway?
Payment Gateway (PG) is a provider of the software service which enables a fund transfer authorization between an eCommerce merchant and a client, charging a percent of the transaction’s value. The Gateway is also responsible for securing the details of the chosen payment method (for example, encrypting the credit card).
Now explained further in simple English:
The payment gateway provider is a service that works as a mediator between an eCommerce shop and a bank with its payment processor. It takes the responsibility of authorizing your customer’s payment into your accounts, putting its seal of approval on a transaction. It also makes sure the payment details are secure during the process.
Because there is not too much due diligence going into the process of verifying the merchant’s reliability, there is a widespread practice of freezing accounts by some Payment Gateway providers and the transaction fees are quite high, reaching up to 3%.
Payment gateway integrations are provided by companies like Stripe, PayPal and Authorize.net.
The Difference Between a Payment Gateway and a Merchant Account
It’s now time to understand the difference: Payment Gateway vs. Merchant account.
A merchant account is a special bank account provided to an eCommerce business based on a thorough background check, which includes checks of the website, credit history, T&Cs, procedures, compensation plans, and even the physical availability of inventory and services offered.
Getting a merchant account is a more complex procedure than simply integrating a payment gateway, as it allows a business to then accept payments bypassing the payment gateway as an option. A retailer isn’t required to have a merchant account in order to use most of the payment gateway companies. A regular business account will suffice.
Payment Gateway Integration Methods
In a hosted gateway environment, the customer is redirected away from your eCommerce website onto the payment provider's site. This is a great option for small businesses, as they don't need to be PCI compliant.
It is not an optimal solution for bigger players, as it lowers conversion rates and decreases brand credibility.
Direct Post integration
This is a method that’s similar to the hosted solution because users don’t need to be PCI compliant, as the data still is not stored on their servers, but rather instantly goes to the payment getaway and processor after a client clicks “Buy.”
Even though in this case the client never leaves your website, the Direct Post solution is not entirely secure.
Integrated Method (for PCI compliant eCommerce)
This method provides full control and total responsibility because the company keeps all the credit card data on its servers. It allows for lots of flexibility in terms of customization, but involves significant investment in terms of obtaining PCI compliant status and maintaining and securing all the data.
Recommended for medium-sized and large eCommerce merchants.
How To Integrate A Payment Gateway For eCcommerce
Payment gateway development solutions are all different and depend on a myriad of factors. Lets’ spell out the main steps an entrepreneur needs to consider:
- Understand whether your business can operate with a payment gateway integration solution that does not require your own website to be PCI compliant. Basically, unless you are a big eCommerce operation, you can go with hosted or direct post integrations.
- Compare the characteristics of the best eCommerce payment gateways in terms of:
- Currencies serviced
- Countries supported
- Supported credit cards (Visa, Master Card, AmEx, etc)
- Fee structure:
- Set-up fee (Authorize.net charges $49)
- Monthly fee (PayPal Pro & Authorize have them)
- Local & International Transaction fees (they vary from 2 to 3% in the industry)
- Payment methods available (ACH, Visa Checkout, WeChat, Apple Pay, etc)
3. Check for compatibility with your website platform, once you have shortlisted the best fitting solution for your business.
4. Decide on the method of integration (Hosted, Direct Post, or Integrated – remember, you need to be PCI compliant in the latter case).
5. See if you need to apply for a merchant account given your chosen way of integration and your provider, or if a regular business account is OK. The answer will depend on the country of residence and other factors.
6. Apply for a merchant account if you have chosen the payment gateway for an eCommerce website that needs one.
7. Obtain PCI DSS compliance if your chosen provider and method of integration calls for one.
8. Google search “Payment Gateway X + Developer” (eg.: PayPal developer) to access full documentation on how to integrate your selected solution with your website in line with the chosen method of integration and your website’s technical parameters.
9. Follow the instructions of your chosen payment gateway solution that are specific for your website and integration method.
Best Payment Gateway Providers
Not having PayPal integrated with your eCommerce website is a loss for a merchant, as so many people have some cash in their PayPal accounts (with the average PayPal user having $485 in their account).
This is why many entrepreneurs include PayPal as an additional payment gateway, in addition to credit cards.
The PayPal fee structure is on the expensive end of the spectrum in the industry, but it comes with huge brand awareness, amassed loyal clients, and top security features.
- USA transactions will be charged at 2.9%
- International Transactions are charged at 3.9%
- Additionally, every PayPal transaction worldwide has a fixed charge of $0.30.
- No setup fees are charged by the company.
With millions of users, 14 offices around the world, and 2500+ employees, Stripe is quickly gaining popularity and increasing its share of the PG market pie.
A highly customizable solution with lower fees is available through an API.
Stripe charges the same fees worldwide as PayPal does for the USA market:
$0.30 + 2.9% transaction fee. No setup fees apply.
The veteran of the payment gateway market, Authorize.net has a state-of-the-art fraud detection system and a plugin that allows you to accept payments without SSL or PCI compliance.
It’s the only solution on the market that has a set-up fee of $49 with another $25 monthly fee. Transaction fee-wise, it costs the same as Stripe: $0.30 + 2.9%.
As part of of the biggest eCommerce engine in the world, Amazon Payments is the optimal payment gateway for Amazon merchants.
Having amassed 50 million users, the company services a range of credit cards, like Visa, MasterCard, Discover, AmEx, and Diners Club.
the merchant has an American billing address. This limitation also explains why the service is slower to gain traction.
Amazon Pay transaction fees are on par with Stripe and Authorize.Net at $0.30 +2.9%.
With 100 million users worldwide, Google Pay grew by more than double in the two-years since 2018 when it had 39 million users.
It was in 2018 that the company consolidated all of its payment solutions under the single umbrella of Google Pay.
This contactless payment platform charges transition fees of 2.9%. The digital wallet is available on Android, Web, and iOS.
The Cost of Payment Gateway Integration
When it comes to payment gateways and eCommerce, integration cost is a big concern for many smaller businesses.
While there is no definitive answer on how much it will cost to set up a payment gateway, the general rule of a thumb is this:
Of the solutions we reviewed here, the set-up fee of $49 is charged only by Authorize.net, with major solutions providing all the documentation needed for integration free of charge.
So your integration price will depend on the scope of work performed by hired specialists to get your:
- Merchant account
- SSL certificate
- PCI certification
- Systems integration performed according to provided guidance and documentation
Custom Payment Gateway Development
While ready-made solutions are secure, fast to adopt, and have customer service to deal with any friction along the way, custom payment gateway development is the option that provides unparalleled customization and branding opportunities.
The advantages of the custom gateway payment solution include lower processing fees, unlimited customization features, and a wide choice of payment methods.
Admittedly, due to the specialized expertise required to custom create a payment gateway for a website, the service is mostly suitable for bigger eCommerce entities.
Looking For eCommerce Payment Gateways Experts?
Zoolatech specializes in custom website and app development for eCommerce. We know how to add a payment gateway, which one suits your business model best, and how to make it work seamlessly for your online store.
Our team will be happy to provide our best quote based on your requirements in one business day. No obligations. You decide.
GrandViewSearch estimates that the Payment Gateway market revenue will grow from $18.2 billion in 2020 to $71.22 billion in 2027.
That’s what we call “potential” right there.
PayPal's total payment volume is almost quadrupling in a matter of 6 years to reach $199 billion in Q4 2019, confirming the obvious: online sales are nowhere near their peak, but rather in the toddler stage of growth.
While Payment Gateway's future is bright, so is the future of eCommerce at large. It’s time to join this success story.
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