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Payment processing is an essential part of any business, but it can also be a source of significant costs. Monthly fees from payment gateways, banks, and payment systems such as Visa or MasterCard often “eat up” a significant portion of revenue. For small businesses, this can be a significant problem, because every percentage of commission affects net profit. But there is good news! There are many ways to optimize your [merchant services account](https://payatlas.com/journal/article/what-is-a-merchant-account-and-why-do-you-need-one/2510) costs. Whether your business is operating with a large volume of transactions or is just starting to accept electronic payments, the right approach will help minimize costs and increase efficiency.

Without a payment gateway on a WordPress site, your customers will not be able to make purchases or pay for services, which affects revenue and brand confidence. Thanks to WordPress and numerous plugins, the process of integrating payment systems becomes accessible even for beginners. If you are looking for [understanding payment gateways](https://payatlas.com/journal/article/what-is-a-payment-gateway-and-how-it-works/2507), then we have already written an article about it. By following our recommendations, you can ensure safe, convenient and fast payment for your customers

A [payment gateway](https://payatlas.com/journal/article/what-is-a-payment-gateway-and-how-it-works/2507) is a service that provides payment data transfer between a customer, bank, and store, allowing you to make secure online payments for goods or services. For store owners on the Shopify platform, the payment gateway is a critical element, because its reliability, speed, and convenience depend on the customer experience, as well as the financial success of the business. In this article, we'll look at which payment gateways are the best for Shopify, and help you decide on a choice for different types of businesses.

## What is payment gateway integration? Integration with a payment gateway is the process of connecting an online payment system to a website or application. The payment gateway works as an intermediary between the site and banks, providing transmission of payment information in encrypted form, verification of the client's solvency and completion of a financial transaction. Thanks to integration, the business automates payment acceptance and process, simplifying the purchase process for users and ensuring a high level of data protection. And customers can pay for purchases conveniently and safely without leaving your website or app. If you want to learn more about choosing a payment gateway, we have already written an article about it! Now we will tell you how to connect a payment gateway to your site quickly and without any problems.

Choosing a payment gateway is an important step for your business. Because your customers need to make payments conveniently, quickly and safely. So, how to choose a payment gateway? We decided to write an article about it!