TABLE OF CONTENT
Why does my business need payment gateway API integration?
Types of payment gateways
Top 5 Payment Gateway API Integration for developers
We can help
Conclusion
Why does my business need payment gateway API integration?
API (application programs interface) is the mechanism to connect two software components and allow both to communicate via a set of definitions and protocols, for example: a web server and web browser. Payment Gateway API is the API management tool for business to power a broad range of back-end services relating to user authentication, transaction processing, information securities, and rate management.
Payment Gateway API integration allows online consumers to buy things from websites with a wide range of payment selection: credit card, bank transfer, or online money. As you can see, being able to easily pay online is what customers expect when browsing eCommerce websites. It significantly impacts drop cart rate if they fail or enter trouble at the last steps of payment. However, it is not as easy for online store owners to apply and entirely control this technology, nevertheless utilizing it to benefit businesses. The next paragraphs show how we can fix the gap between attracting and converting orders, let’s stay tuned.
Types of payment gateways
Firstly, you need to understand different types of payment gateways to effectively handle the service. Based on the definition and features in each type, you can decide on the right strategy to create seamless payment experience for your buyers.

Hosted payment gateways
Based on how the application is run, we have the first type for hosted payment gateways. With this type, the website will redirect users to other third-party platforms, where the customer inputs his payment details. Hosted payment gateway takes effort from developers but requires more steps in the customer sides. In addition, you are partially relying on the third-party performance on the experience on your website. It poses some information and security risks.
Integrated payment gateways
That leads us to the second type: payment gateways API integration. In this option, the website enables APIs to allow user to perform direct actions on the same website without any redirections. Developers must work harder for payment gateway API integration, but it would benefit users in several ways.
Top 5 Payment Gateway API Integration for developers
PayTM
The Indian market, with nearly 1.5 billion in population (2024, Wordometer.com), is a lucrative market for both eCommerce and other forms of online payment. Among them, PayTM is considered the most popular payment gateways APIs Integration tool in India. They are also gradually conquering the Asian market with outstanding features:
- POS Billing Integration for Omnichannel Consistency
- Online and In-store Integration
- Online recharge and billing
- Financial Services for Businesses from Reputable Banks.

Stripe
Stripe is an application for payment gateways API integration that has proved its prominence as a solution for businesses with many products that meet the needs of large corporations to startups. You should consider Stripe resolving your issues with online payment on your websites if you favor some of these following features:
- Process Automation across products
- Global payment
- Acceptance and Payouts effortlessly
- Compatible with top websites and hosting providers such as: Google, Shopify, Amazon Web Service (AWS), etc.
- Enable to build working models which are reusable and optimizable.

PayPal
It would be a mistake if we do not mention the elephant in the room: PayPal. PayPal was established in 1998 and owned by the giant in the eCommerce industry: eBay. Since then, it has developed to become the payment engine that powered the most powerful eCom and product sites such as ASOS, Agoda and eBay itself. We recommend you discover PayPal payment gateway API integration if you are running on eBay-related platforms or building a product/service across nations:
- Most popular used around the globe
- Built for eCommerce.
- Support all types of products and services online.
- 24/7 anti-fraud monitoring and world class security
- Cost nothing to start, only pay when transaction or request happens.

PayU
PayU is the versatile payment solutions the work smoothly with 150+ modes and credit methods. PayU allows super-light connection payment gateway APIs that powers businesses with super-quick digital payments. Besides speed, one-click payment and instant refunds are also the standing features that makes PayU compatible for merchants and service providers.
- Most popular used around the globe
- Built for eCommerce
- Support all types of products and services online
- 24/7 anti-fraud monitoring and world class security.

Amazon Payment API
Alongside eBay, Amazon is another giant empire of eCommerce so Amazon Pay inherits the prosperous base to grow and develop. Amazon Payment API presents objectively distinct payment process that runs smoothly on clouds to fulfill any-size orders. Its features can be divided into 4 primary targets: Checkout, Charge Permission, Charge, and Refund.
- Checkout session can be opened for 24hour or anytime the process fails, you can use it to retrieve shipping details within 30 days.
- Protect against burst traffic
- Guard service availability.
- Authorization header

We can help
The above is just 5 of the many payment gateway products that allow connections via APIs to be quick and easy to use. Additionally, depending on the niche and platform you use, some providers like Magento-Adobe Commerce and bigcommerce also have payment gateways they use. On the other hand, after choosing technology, store owners may still find issues with payment gateway integration on their websites. These errors may occur because the supplier’s instructions are unclear, or your employees are not technically proficient.
Payment Gateway API Integration belongs to one of the popular eCommerce website development services. Therefore, you can outsource and hire a backend developer to handle and control this problem. In addition, security and systems also need to be considered. In addition, we have experts in the field of e-commerce and are ready to provide additional materials for you to understand and overcome payment gateway integration easily.

Conclusion
AHT Tech professional eCommerce development service can help you automate payment collection, cutting down on the number of efforts burdening your team, while handling recurring or back out transactions. Contact us to let us know your question and be ready to raise the bar for business metrics.