TABLE OF CONTENT
Types of Payment Gateway Integration Services
How to integrate payment gateway into eCommerce website
Top 10 payment gateway services and solutions
Conclusion
Types of Payment Gateway Integration Services
Let’s look at the definition of payment gateway. We fundamentally explained it as a software application that authorize users to perform the act of payment straightly from the eCommerce websites. Payment data is on the first rank of sensitivity and needs highest level of security, so that, renowned third-party solution providers usually provide payment gateway application. It needs to be integrated with the current sales system and web apps. Based on the process of this connection, we have several types of payment gateway integration services as follows.

Hosted payment gateway integration
In this type, users are directed to the Payment Service Provider (PSP) page from the merchant’s site and perform the act of payment there. After providing banking details, the payment process then continues in the bank’s check out proves. PayPal is the most well-known hosted payment gateway solution. Hosted payment gateway is secure, and customizable, but it is hard for the eCommerce owners to control the experience on external sites. The online seller may suffer when customers blame and criticize the brands due to poor engagement in the third-party sites. In addition, this type of payment gateway solution also requires multiple steps and prolongs the payment process that risks the conversion rate that users may drop their effort along the way.
Non-hosted payment gateway integration
On the contrary, this type of payment gateway happens within eCommerce websites. Users can fill in their payment details and check out by providing specific codes or secret keys. One familiar example of self-hosted payment gateway is Shopify Payment Engine. By this way, sellers can control every step of their customers’ experience and it saves up time to finish online purchase. However, there is no support system for the integration from the solution providers. Business sites should hire a professional to set up self-hosted gateways of payments.
API hosted payment gateway
This type of hosted payment gateway is specifically designed for the credit card payment option. Users enter their card details and their codes to check out using an API (Application programming interface). Payment Gateway API Integration can be customized and responsive in different devices, but it is compulsory for the site owners to comply with security certification and standards.
Enterprise payment gateway integration
When large organizations want to use their own payment methods (e.g., points, coins, or other forms of exchange), they develop a separate payment system on their application that does not use other payment methods. solution providers on the market. However, they inherit the common technologies of finance technology & blockchain.
Mobile payment gateway integration
Mobile applications rapidly adopted the growth of eCommerce and several mobile payment applications are rising such as Apple Pay, Alipay, WeChat, Samsung Pay and other integrated banking applications. Mobile app integrated these providers in their products and this trend will continue to meet the demand of raging online buyers from mobile.
How to integrate payment gateway into eCommerce website
Step 1: Choose the payment gateway solution that fits your customer expectations.
When choosing the payment gateway service for your sites, you should consider factors such as security, fees, payment options, and compatibility with commerce platform. However, all these factors are manipulated by the customer’s experience. You should choose the types and providers that align with the nature of your business and other sales processes.
Step 2: Set up the merchant account.
Some payment gateway providers require setups with details and forms to combine functionality of the solution with the eCommerce platforms. This step may also include technical installment of libraries and obtainment of API keys.
Step 3: Front-end and Back-end Integration
Front-End and Back-end coding to integrate payment gateway services can be straight or takes times significantly depending on the payment gateway company and the eCommerce platform. Some platforms embed plugins and extensions that allow immediate integration while others require manually and additionally both front-end and back-end development.
Step 4: Set up client-side and server-side payment process.
In this step, you need to ensure performance and set up each step of receiving information, transferring information, and storing information from the client and server sides. For example, you will need a form to collect banking details from clients, UI elements to capture payment information, a database, and confirmation emails.
Step 5: Test and handle edge cases
This is a crucial step in the customer journey, affecting the entire sales and operations effort of the eCommerce system. For this function to operate automatically and safely, all scenarios must be tested and handled with seriousness. This step can take 30-40% of overall effort and requires a team of professional specialists to solve it.
Step 6: Go live and Maintenance.
Risks of frauds and hacking still occur due to increasingly sophisticated theft activities. Therefore, make sure you always upgrade your payment gateway service after a successful go live.
Top 10 payment gateway services and solutions
The payment gateway market for eCommerce is dominated by pioneers such as PayPal, PayU, Amazon, and Stripe. Thanks to technology advancement, other players are contributing to the market with niche and tailored offerings like BlueSnap in EU Market, Paysafe, in Britain, and YeePay in China. Belows are the top 10 payment gateway services and solutions that suggested for eCommerce sites of all sizes (source: Modor Intelligence).

Paypal Inc.
Paypal hit 218 milion users worldwide and has powered 17 milion merchant sites. They acquired this enormous number by amazing augmentation with pricing models. Paypal offers hosted payment integration and seamless checkout with multiple options such as: credit card, local bank transfer, and mobile wallets. Paypal charges by fraction of each transactions’ value.
Amazon Pay
As the giant of eCommerce, Amazon Pay launched their payment gateway since 2007 with comprehensive package featuring Amazon Login and Pay. It integrates effortlessly with custom API and networks. Moreover, Amazon Pay allows other transactions from Bitcoin and Paypal. Amazon Pay also hit millions of users and served as trusted payment gateway service for international brands.
Stripe
Shopify Payment is not the only marketplace payment gateway integration solution powered by Stripe. It is the best tool for developers and an eCommerce development platform. With clear and developer-friendly instructions, Stripe provides maximum customization and use cases. Pinterest, Slack, Kickstarter… and thousands of businesses have chosen Stripe to implement payment gateway integration services.
Skrill Limited
Paysafe started their journey in 2001 and built up Skrill in 2010. Skrill offers a safe way to pay online across different platforms and is attacking the Europe geographic market with its convenience. Skrill dominated the gaming sites, but you also can consider Skrill and Paysafe services for your eCommerce sites. Skrill permits accounts by card, bank, and local payments.
PayU Group
About ten million transactions daily happen in PayU. It is a global financial service which extends to fifty countries and forty-three languages. The main markets of PayU are credit payment solutions. With dynamic functions and culture, PayU is helping 1000+ merchants to buy, sell, and effectively operated. Compared to other competitors, PayU has a youthfulness and support that you should consider if you do not have the necessary background. Finally, their pricing policy is clear and affordable.
WePay
WePay is a high-quality marketplace tool for payment gateway integration. It allows customization for customer experience and UI. WePay is also recognized for its overwhelming package for crowdfunding and investment. The charge of WePay is 2.9% from transaction that value more than 0.30 USD.
YeePay
We have the representative from Chinese market with leading payment services and innovative solutions. YeePay serves as the payment gateway integration company for more than 100 retailer banks in China, plus license from People’s Bank of China. If you are looking at the prominent China consumer, YeePay should be on your list.
Square
Another start-up in payment gateway integration solutions providers, Square (Former brand as “Square up”) is efficient on smartphones. Square also assists non-technical owners with little background on technology by a built-in dashboard and real-time reports. We highly recommend Square for SMEs, and retail sites with a taste of inventory management.
BluePay
Another developer tool on the list besides Stripe is the emerging BluePay. It provides excellent support for customers and a wide range of features compared to other payment gateway companies such as billing, invoicing, and protection from frauds.
PaySimple
For B2B and service models, we suggest PaySimple for your payment gateway integration. PaySimple includes data collection and automation that enables cost-efficient online payment. It is also a developer-friendly solution that comes at a reasonable price.
Conclusion
AHT Tech is a focusing website development company that provides payment gateway integration services to customers of all sizes. Our team consists of 5+year-of-experience developers and platform experts to deliver the best payment gateway integration services. We typically leverage APIs and other technologies to perform seamless experience between the payment gateway solution and the website or application. Our delivery is secure, dependable, and shortened time-to-market.
With website development expertise, we can advise you for free on suitable solutions and ways for you to quickly integrate. The future of cash flow and automated payments is no longer far away when connected with us.