opinion

The Ins and Outs of Payment Gateways

The Ins and Outs of Payment Gateways

In today’s digital age, the convenience of the internet has reshaped the way we conduct business, shop, pay bills and make financial transfers. Online transactions have become an integral part of our daily lives — and payment gateways play a vital behind-the-scenes role in ensuring these transactions are seamless and secure. In this article, we will delve into the world of payment gateways, exploring their function, importance and how they enable secure online transactions.

What is a Payment Gateway?

Security is paramount in online transactions, and payment gateways provide robust encryption and fraud protection measures to ensure customer data remains safe and confidential.

A payment gateway is a technology that acts as an intermediary between a merchant’s website or application and the financial institutions that process the payment. It securely transfers sensitive payment information between the customer, the merchant and the payment processor, ensuring that the transaction is smooth and secure.

How Payment Gateways Work

When a customer initiates an online transaction on a website, the payment gateway goes into action. Here’s a step-by-step breakdown of how it works:

  • Payment information collection: The customer provides their payment details on the checkout page, including credit card number, CVV code and billing address.
  • Data encryption: The payment gateway encrypts this sensitive information to protect it from unauthorized access during transmission.
  • Authorization request: The encrypted payment data is forwarded to the payment processor, which then sends an authorization request to the customer’s issuing bank.
  • Bank’s response: The issuing bank receives the request and performs security checks, including verifying the availability of funds and checking for any fraud indicators.
  • Authorization confirmation: The issuing bank responds to the payment processor with an approval or decline message.
  • Transaction result: The payment processor relays the response to the payment gateway, which then displays the result to the customer, either confirming the successful transaction or prompting for further action in case of a decline.
  • Settlement: At the end of the day, the payment processor settles the funds from the approved transactions into the merchant’s account.

Importance of Payment Gateways

Security is paramount in online transactions, and payment gateways provide robust encryption and fraud protection measures to ensure customer data remains safe and confidential. Payment gateways enable businesses to accept payments from customers worldwide, supporting multiple currencies and payment methods. These gateways can be easily integrated into various ecommerce platforms, making it convenient for businesses to implement secure payment processing on their websites.

As an added bonus, a smooth and secure payment process enhances customer trust and satisfaction, which increases customer retention. In addition, by using a payment gateway, businesses can simplify the process of achieving Payment Card Industry Data Security Standard (PCI DSS) compliance, which is mandatory for handling credit card information.

Challenges and Future Innovations

While payment gateways have significantly improved online transactions, they still face a number of challenges:

  • Transaction fees: Payment gateways charge transaction fees, which can affect a merchant’s profit margins, especially for small businesses and startups.
  • Checkout friction: Lengthy and complicated checkout processes can lead to cart abandonment, underscoring the need for intuitive and efficient payment gateways.
  • Mobile optimization: As mobile commerce continues to grow, payment gateways must adapt to provide seamless experiences across various devices and platforms.

That being said, payment gateways are continually evolving to meet such challenges, and the demands of the ever-changing digital landscape. Current innovations include:

  • Tokenization: Tokenization replaces sensitive payment data with a unique token, reducing the risk of data breaches as the actual card information is not stored.
  • Biometric authentication: Integrating biometric authentication methods like fingerprint or facial recognition can enhance security while streamlining the payment process.

As technology advances, payment gateways will undoubtedly evolve further, making online transactions even more convenient and secure for the global economy.

Feature Functions

Every gateway has the capability to collect payment details, encrypt that information and send a request for authorization. However, not all gateways are created equal. Some offer many functions, some of which you may need but not even be aware of. This includes features like fraud-prevention tools, tokenization of stored payment credentials, invoicing, Level II and Level III processing, text-to-pay, card updater, recurring payment schedules, surcharging and more.

Fraud prevention is probably the most important feature because it impacts the bottom line. This is where a business can define thresholds for the number of transaction attempts originating from a user, IP address, credit card number, etc. Establishing a velocity check on one or more of these metrics can prevent a world of headaches, especially with the prevalence of brute-force attacks or “card banging.”

Tokenization of stored payment credentials allows a customer to return to your website and make additional purchases without entering their credit card information again. This convenience allows for a higher rate of repeat business.

Invoicing is beneficial to businesses that offer custom work. An invoice can be generated and emailed to the customer with a unique payment link embedded in the email, which takes the customer directly to your payment page. On the merchant dashboard, invoices can be viewed to check the payment status and, if necessary, re-sent to the customer as a reminder of an outstanding invoice due.

Level II and Level III processing applies primarily to wholesale businesses conducting business-to-business (B2B) transactions. This function requires a little more information to be collected, such as tax amount, origination postal code, destination postal code, invoice number, order number, freight amount, line-item detail of purchase and so on. The benefit of Level II and Level III processing is lower processing costs.

The card updater proactively works with your stored payment credentials and reaches out to issuing banks to retrieve updated payment information for those that are expiring soon. No more attrition of members due to expired cards.

It is vital to take inventory of what your business needs and put together a comprehensive package that encompasses those needs, without adding on products or services that are superfluous or increase your operating cost unnecessarily.

The Importance of Redundancy

“Two is one, and one is none.” This central tenant of redundancy doesn’t only apply to merchant accounts, but to gateways as well. Many gateways tout a “99.9% uptime,” but if you’ve ever found yourself in that 0.1%, you understand the frustration of not being able to conduct business and being at the mercy of the gateway. As part of a holistic approach, we recommend having a backup for your primary merchant account and gateway. Having multiple gateways and merchant accounts will ensure you can conduct business without any downtime or loss of revenue.

Payment gateways are the unsung heroes of the digital payment ecosystem, ensuring secure and efficient online transactions for businesses and consumers alike. By acting as a secure intermediary between merchants and financial institutions, they play a crucial role in maintaining customer trust and data protection. Like knowing what’s under the hood or your car, it’s important to have at least a basic understanding of how payment gateways work, to help keep your business running smoothly.

Jonathan Corona has two decades of experience in the electronic payments processing industry. As chief operating officer of MobiusPay, Corona is primarily responsible for day-to-day operations as well as reviewing and advising merchants on a multitude of compliance standards mandated by the card associations, including, but not limited to, maintaining a working knowledge of BRAM guidelines and chargeback compliance rules defined in both Visa and Mastercard operating regulations.

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