What Does a Payment Gateway Do? A Complete Guide for South African Businesses

by | 29 Sep 2025

When customers shop online, they expect a process that is simple, secure, and trustworthy from start to finish. Many business owners, however, are unsure how the different parts of an online store work together. They hear about payment gateways, SSL certificates, and website builders, but often confuse their roles. The truth is that these elements are closely connected, and without one, the others cannot function properly. 

A payment gateway may handle the transaction, but it needs a safe environment and a solid platform to operate effectively. 

This article explains what a payment gateway does, how it connects with SSL security and website design, and what to consider when choosing the best payment gateway in South Africa for your business.

What Does a Payment Gateway Do?

what does a payment gateway do - sa guide-min

A payment gateway is a digital service that allows businesses to accept payments securely through their websites. In simple terms, it acts as the technology that transfers payment information between the customer, the merchant, and the bank to complete a transaction. When a shopper enters their card details or chooses an online payment option, the gateway ensures that the data is encrypted, verified, and sent to the right financial institution. 

In South Africa, some well-known options include PayFast, Yoco, PayGate, and Peach Payments, which are trusted by many local businesses.

Why an Online Payment Gateway in South Africa Needs More Than Just Payments

An online payment gateway in South Africa is essential for processing transactions, but it is only one part of the bigger customer journey. While the gateway ensures money changes hands, customers also expect safety, professionalism, and a smooth experience when shopping online. 

To understand this better, think of an online shop as a physical store. 

The payment gateway is the till where payments are made, but a till on its own does not make a secure or inviting store. An SSL certificate is the lock on the door, protecting sensitive information from being intercepted. The website builder and design are the foundation and layout of the building, providing the structure and user experience that make visitors feel welcome. 

Together, these elements create an online store that is not only functional but also secure and trustworthy, encouraging customers to complete their purchases.

SSL Certificates: Securing Every Transaction

When setting up an online store, it is not enough to implement a payment gateway. Without SSL security, your site risks losing customers before they start browsing the website. Even the best payment gateway in South Africa will not inspire trust if your website displays a “Not Secure” warning. SSL certificates provide essential protection and reassurance for both you and your customers. Here is why:

  • Encryption of data: SSL security encrypts sensitive information such as credit card details and login credentials. This means that data cannot be intercepted or misused by cybercriminals, keeping online transactions safe.
  • Customer trust: shoppers are more likely to complete a purchase on a site that demonstrates strong security measures. SSL shows that you take customer protection seriously, which builds credibility.
  • Visible padlock in the browser: the padlock symbol in the address bar reassures customers that your site is secure, encouraging them to proceed with confidence.

Building the Right Platform With a Website Builder

Before you can accept payments, you need a solid platform to host your online store. An online payment gateway cannot function without a website to connect to. This is where a website builder becomes essential. A builder gives you the structure to display products, manage content, and create a checkout space where the payment gateway can be integrated.

With 1-grid’s website builder, setting up your online shop is straightforward. You do not need advanced technical skills, as the platform is designed for ease of setup. Its built-in AI functionality helps you generate content and design suggestions tailored to your business, making the process even quicker and more efficient. Professional templates give your site a polished appearance, helping you look credible from day one. Mobile responsiveness ensures that customers enjoy a smooth experience whether they browse on a phone, tablet, or computer. 

Most importantly, the website builder makes it simple to integrate payment gateways, so you can start selling and receiving payments securely and efficiently.

Website Design: Creating a Seamless Checkout Experience

Even with a trusted payment gateway, a poorly designed website can ruin the customer experience. Customers may abandon their baskets if the checkout process is confusing, slow, or filled with unnecessary steps. Good website design goes beyond aesthetics, it creates a seamless path from browsing to purchase.

A well-designed site ensures smooth checkout flows, guiding users logically from product selection to payment without interruptions. Trust signals such as clear calls to action, visible security badges, and consistent branding reassure customers that they are buying from a reliable business. Design also plays a role in conversion rates, as intuitive navigation and mobile-friendly layouts reduce friction and encourage shoppers to complete their purchase. 

By investing in professional website design, businesses can turn casual visitors into paying customers while making the most of their chosen payment gateway.

Choosing the Best Payment Gateway in South Africa 

Choosing the best payment gateway in South Africa is not as simple as picking the most popular name. Every business has unique needs, and the right choice depends on how well the gateway integrates with your existing setup and supports your customers’ expectations. 

Here are the key elements to consider:

  • Compatibility with website builder/platform: ensure the gateway works smoothly with your website builder or platform. If integration is difficult, you risk frustrating customers or losing sales.
  • Security compliance (SSL & PCI DSS): a strong gateway must comply with global standards like PCI DSS and work alongside SSL certificates to keep transactions safe.
  • Transaction fees & settlement times: compare costs and payment processing times. Lower fees and faster settlements can have a significant impact on your cash flow.
  • Customer support & local presence: a provider with reliable support and local offices will resolve issues quickly and understand South African business needs better.

Ultimately, the best payment gateway in South Africa is the one that matches your business model. Remember, it will not succeed on its own without the right website platform and SSL security. Contact 1-grid today to get started with a professional website builder, expert design services, and trusted SSL solutions.