Utilizing APIs will automate and extract away the complexities of an eCommerce site, such as handling carts, or showing different items.

APIs come in numerous shapes and sizes, which can make it really hard for newcomers to comprehend what they are and how they can be utilized. All things considered, APIs can be utilized for the sake of business.

With the goal for individuals to learn about APIs, we need to make the experience fascinating and involved - assisting you with learning how APIs work, yet additionally how the web works.

And according to the latest web development stat, 83% of web traffic is API traffic, so if you know how APIs work, you know how the web works.

In this article, I’ve created a list of the best eCommerce APIs you must practice in 2021. So, without wasting any more time let’s get started.

## A Brief Introduction to API

API stands for Application Programming Interface, which is a software intermediary that permits two applications to interact with one another. Each time you use an application like Facebook, send a text or check the climate on your phone, you’re using an API.

What is an eCommerce API?

Since I've characterized an API at a high level. Now, you should get down to what an "eCommerce API" is. An eCommerce API is a collection of eCommerce functionality uncovered by means of API, genuinely straight forward.

To break down the particular eCommerce functionality this incorporates at the very minimum, cart, checkout, payments and requests. Or in other words a way to transact on your eCommerce websites.

One point of confusion that we sometimes hear is that a payment gateway is a commerce API when in reality these providers provide a single service, such as a payment API, eCommerce is a comprehensive journey that involves more steps.

The Different Types of E-commerce APIs

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Top 10 eCommerce APIs to Watch Out in 2021

This list tries to compile almost all eCommerce APIs available in the market. So let's start!

Here are some eCommerce APIs you should try in 2021.

#1. Amazon API

Amazon is right now the world's biggest online retail store. At first launched as a site that only sells books, Amazon has developed into a tech giant and it has extended its services to zones like cloud computing and artificial intelligence.

API Features:

Amazon API (MWS) permits Amazon merchants to programmatically exchange data on listings, orders, payments, reports, and more. Amazon empowers high levels of selling automation, which can assist vendors with developing their business.

By using Amazon MWS, sellers can expand selling proficiency, lessen labour requirements, and improve response time to users.

Popularity: Amazon has more than 310 million active monthly users.


Price: Free (for 1 million API calls and below

#2 eBay API

eBay was established by Pierre Omidyar in 1995. It gives an incredible platform for the sale of goods and services by an energetic community and businesses.

API Features:

The eBay API gives access to core capabilities commonly used in combination with search, purchase, sale and other commercial activities.

For example, the Sell APIs provide vendors and third-party developers all the capabilities needed to manage your eBay business end-to-end. eBay's Buy APIs enable programmers to offer shoppers the option to purchase items from eBay sellers anywhere.

Popularity: eBay is one of the largest eCommerce platforms in the world with over 177 million active monthly users.

Price: Free

#3. Woocommerce API

Woocommerce was launched in 2011 by WordPress theme developer WooThemes. It is an open-source eCommerce plugin for WordPress. It is designed for small to large sized online merchants using WordPress.

API Features:

The WooCommerce API is fully integrated with the WordPress REST API. It permits to create, read, update, and delete WooCommerce data using requests in JSON format and using the WordPress REST API authentication methods and standard HTTP verbs that are understood by most HTTP clients.

Popularity: It is used by over 2.4 million websites


Price: Paid

#4 Shopify API

Shopify is an eCommerce platform that provides retailers an online platform to sell their products or services that includes payment, marketing, shipping and customer engagement tools. It simplifies the process of running an online store for merchants.

API Features:

With Shopify, API merchants can create their own custom storefronts that allow them to sell anywhere, even outside of Shopify. This allows developers to introduce enhanced solutions for your Shopify clients. You can also hire api developers at affordable rates to seek the best solutions.

The APIs iOS or Android Buy SDK provides programmers an easy way to embed Shopify Store products and checkout in your mobile applications.

Popularity: Shopify has become one of the most widely used platforms available to over 1 million active monthly users and growing Shopify merchants.

Price: Free

#5 Magento API

Magento is an open-source eCommerce platform and has become the most popular eCommerce Content Management System (CMS) online since its launch.The company was acquired by Adobe in 2018 for $ 1.68 billion. Entrepreneurs all over the world are hiring magento development companies in India as they offer best development at affordable prices.

API Features:

The Magento API gives developers the ability to manage eCommerce stores by providing calls to work with resources such as customers, categories, products, and sales orders.

Moreover, Magento also provides REST endpoints that allow programmers to update multiple special prices, tier prices, base prices, or cost values ​​with a single call.

Popularity: It is used by over 250 thousand merchants worldwide

Price: Free

#6 Kite API

KITE is the most advanced software platform to power a global print-on-demand Internet business. It handles custom merchandise and photo print solutions for forward-thinking businesses worldwide.

API Features:

The Kite API allows developers to integrate on the Kite platform which gives them the ability to personalize print-on-demand products that can be built and shipped to users.

Popularity: Installed in over 240 million devices worldwide

Price: Free

#7 BigCommerce API

Around 150,000 merchants worldwide are using BigCommerce to sell their products and reach new markets. Based in Austin, Texas, the platform offers amazing scalability options and great features for any company that wants to take its operations to a new level.

The BigCommerce API provides several SDKs that enable developers to increase the capacity of their application. It uses the RESTful API, supports all CRUD methods and features UTF-8 character encoding.

Popularity: Used by over 150 thousand merchants worldwide

Price: Paid

#8 Walmart API

Since Walmart has gone online, they see an increase in the number of sellers using their platform. They are investing extensively in the digital environment, and have big plans, and are set to overtake Amazon in the US market.

The Walmart API is quite simple and straightforward, based on the REST structure.

Price: Paid

#9 Etsy API

The Etsy API provides a simple RESTful interface that uses lightweight JSON-formatted entities. Developers can use the OAuth method to quickly read and write information.

Output methods you can use to gather data from the API include GET (reads a resource), POST (creates a new resource), PUT (updates a resource), and DELETE (deletes a resource).

Price: Free

#10 Squarespace API

Again, this API is designed keeping in mind the simple REST principles. As a SaaS app provider, you can read and adjust stock information, use order history, manage physical products, and access financial transactions.

Benefits of API Integration for an E-commerce Platform

APIs help to integrate multiple platforms with each other. For example, you can integrate your eCommerce website with a shipping provider's account and import your data for orders and shipments. In this way, you can stream your shipping operations to a single platform.

eCommerce fulfillment APIs can help businesses automate, coordinate, manage, and streamline their operations with features such as order fulfillment, courier management, labeling, invoicing, tracking and confirmation information.

So if you want to set up a solid platform for your eCommerce business, you have to integrate an API into your shipping and logistics software solution.

Bottom Lines

The article is simply giving you some insights about eCommerce APIs and what are the best eCommerce APIs to use in 2021. Well, if you want to know more about eCommerce APIs and are willing to integrate it into your business then you should consult an eCommerce development company in India.

They will surely cater to all your needs and will guide you in a proper way. I hope the article proves to be fruitful for you. If you have any query then do let me know in the comment section.

Good Luck!!