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Magento 2 APIs Overview


Magento 2 is a powerful ecommerce platform that provides a wide range of APIs for developers to build and extend their online stores. These APIs enable developers to interact with various components of the Magento system, such as products, customers, orders, and more. In this documentation, we will provide an overview of the different types of APIs available in Magento 2 and how to use them effectively.

Types of APIs in Magento 2

Magento 2 offers three main types of APIs:

  1. Web APIs: These APIs allow remote systems to interact with the Magento 2 platform using HTTP(S) protocols. Web APIs are based on Representational State Transfer (REST) and support both JSON and XML data formats. They provide CRUD operations (Create, Read, Update, Delete) for various entities in the Magento system. Web APIs are ideal for building integrations with third-party systems, mobile apps, or custom frontend applications.

  2. Service Contracts: Service Contracts are PHP interfaces that define the public API of a module. They provide a more structured and reliable way to interact with Magento 2 modules compared to direct database operations or custom SQL queries. Service Contracts enforce a separation of concerns between the module’s business logic and its data storage and retrieval. They are mainly used by other modules within the Magento system.

  3. GraphQL APIs: GraphQL is an alternative to REST for querying and manipulating data. It provides a flexible and efficient way to request only the specific data needed, reducing the amount of data sent over the wire. GraphQL APIs in Magento 2 are built on top of the underlying Service Contracts and provide a powerful tool for frontend developers to retrieve data from the Magento system.

Web APIs

Magento 2 Web APIs provide a comprehensive set of endpoints for interacting with different entities, including products, customers, orders, categories, and more. Each entity has its own set of API endpoints that follow a consistent URL structure. For example, to retrieve a list of products, you would use the /V1/products endpoint.

Web APIs are authenticated using the OAuth 1.0a protocol or token-based authentication. OAuth 1.0a provides a secure mechanism for authenticating external systems with the Magento platform. Token-based authentication, on the other hand, is simpler to implement and doesn't require the complex OAuth flow.

Here's an example of how to retrieve a list of products using a token-based authentication:

$token = 'your_token_here';
$baseUrl = '';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $baseUrl . '/products');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Authorization: Bearer ' . $token,
'Content-Type: application/json'
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
$result = json_decode($response, true);

Service Contracts

Service Contracts in Magento 2 provide a standardized way to interact with module functionality. They define a set of PHP interfaces that represent the public API of a module. By adhering to these interfaces, developers ensure that their code is compatible with future versions of Magento and other third-party modules.

For example, to create a new customer using Service Contracts, you would use the CustomerRepositoryInterface:

use Magento\Customer\Api\CustomerRepositoryInterface;
use Magento\Customer\Api\Data\CustomerInterfaceFactory;
class CustomerCreator
private $customerRepository;
private $customerFactory;
public function __construct(
CustomerRepositoryInterface $customerRepository,
CustomerInterfaceFactory $customerFactory
) {
$this->customerRepository = $customerRepository;
$this->customerFactory = $customerFactory;
public function createCustomer($data)
$customer = $this->customerFactory->create();
// Set customer data
$customer = $this->customerRepository->save($customer);
return $customer;

GraphQL APIs

Magento 2's GraphQL APIs provide a flexible and efficient way to retrieve and manipulate data. With GraphQL, frontend developers can request only the specific data they need, reducing the number of requests and the amount of data transferred between the server and client.

To retrieve a list of products using GraphQL, you would write a query like this:

products(search: "t-shirt") {
items {
price {
regularPrice {
amount {

This query will return a list of products matching the search term "t-shirt" along with their names and prices.


Magento 2 provides a powerful set of APIs that enable developers to build and extend their online stores. Web APIs, Service Contracts, and GraphQL APIs offer different ways to interact with the Magento system, depending on the use case and requirements of your project. By leveraging these APIs effectively, you can create custom integrations, build mobile apps, and enhance the functionality of your Magento 2 store.