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How to Perform API Testing in WooCommerce?

Updated 2 November 2023

Performing API testing in WooCommerce involves testing the REST API endpoints provided by WooCommerce.

It is also done to ensure that WooCommerce APIs work as expected and that they can handle various types of requests and responses.

It is the process of evaluating and verifying the functionality, performance, and security of an API (Application Programming Interface).


APIs allow different software applications to communicate and interact with each other, and they play a crucial role in modern software development.

For example, many WooCommerce plugins enable integrations with third-party platforms and services. Such as online payment gateway, marketplaces, etc.

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Here are the steps to perform API testing in WooCommerce:

Understand API testing in WooCommerce

It is important to have a good knowledge of WooCommerce’s RESTful API (Representational State Transfer).

WooCommerce provides a REST API that allows to interact with various aspects of e-commerce stores like products, orders, customers, and more.

Familiarize yourself with the API documentation to know which endpoints are available and what they do.

Set Up a Test Environment

Create a staging or development environment for the store. It prevents the data and avoids the effect on production site time of testing.

Make sure you have the necessary access rights and credentials to perform API testing.

Choose a Testing Tool

You can use various tools for API testing. Some popular options include:

Postman: A user-friendly API testing tool that allows you to create and execute API requests and monitor responses.

cURL: A command-line tool for making HTTP requests.

Automated Testing Frameworks: Testing frameworks like PHPUnit or REST Assured (for Java) if you want to automate your API tests.


  • WooCommerce’s REST API requires authentication and can use either OAuth 1.0a, OAuth 2.0, or basic authentication, depending on requirements.
  • Obtain the necessary API keys or tokens for authentication and include them in your API requests.

Test API Endpoints

  • Begin by testing various API endpoints like products, orders, customers, and others.
  • Test different types of requests, including GET (retrieve data), POST (create new data), PUT/PATCH (update existing data), and DELETE (remove data).
  • Pay attention to the request headers, query parameters, and request payloads as specified in the API documentation.

Verify Responses

  • Carefully examine the responses returned by the API endpoints. Ensure they match the expected format and contain the required data.
  • Check HTTP status codes like 200 for success, 404 for not found, and 401 for unauthorized.
  • Test error handling by intentionally sending incorrect data and verifying that the API responds appropriately.

Test Authentication and Authorization

  • Verify your authentication method is working correctly.
  • Test the API’s access control and authorization mechanisms to ensure that users can only perform actions that they are allowed to.

Test Edge Cases and Performance

  • Test edge cases like pagination, filtering, sorting, and other parameters specific to WooCommerce’s API.
  • Evaluate the performance of the API by sending a large number of requests to check for any bottlenecks or response time issues.

Documentation and Reporting

Document your test cases and the results of your API testing. This documentation is useful for future reference and can help you identify issues.

You may also visit Various Testing in WooCommerce regarding test and protection.


With the use of these steps, you can ensure that the WooCommerce API functions correctly and securely. Regular API testing is crucial to maintaining the reliability and performance of your e-commerce platform.


For any technical assistance, please reach us by mail at [email protected] Or you can Hire WooCommerce Developers for your next project work.

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