Application Programming Interface (API) Testing is a type of software testing that focuses on determining if the created APIs meet the application’s functionality, reliability, performance, and security objectives.

Google Trends shows that interest in API testing services has progressively risen over the last few years. It is more important than ever to have the right automated API testing approach, tool, and solution. API testing is a critical component of any successful CI/DevOps strategy. This blog will provide the finest API testing tools, covering both open-source and commercial solutions that testing teams may employ to fit their needs.

Best Tools for Automated API Testing

Katalon Studio

The Katalon platform is a free test automation platform for APIs, web applications, mobile applications, and desktop applications. It is quickly becoming a significant tool for API/Web services testing. It portrays itself as a comprehensive end-to-end automation solution for developers and testers. Katalon Studio accepts SOAP and REST calls, as well as a number of commands and parameterization options. Furthermore, Katalon Studio’s ability to mix UI and API/Web services for several platforms (Windows, Linux, and Mac OS) has been identified as a distinguishing characteristic among top API tools.

Apigee

Apigee is an intriguing JavaScript-powered cross-cloud API testing platform that allows developers and testers to access its capabilities through different editors. This tool is compatible with large-data APIs, making it appropriate for robust and complicated digital enterprises. Furthermore, by tracking API traffic, response times, and possible error rates, it may quickly discover issues that are threatening performance. Apigee also supports the building of proxies from the open API specification.

SoapUI

SoapUI is a headless API testing software solution that allows for the execution of tests on SOAP APIs as well as REST web services. It is frequently one of the popular tools among testers since it enables them to design complicated scenarios and also supports asynchronous testing. It also stands out for its excellent data-driven testing and ease of usage. SoapUI provides two packages, one free and one paid (the pro package). The free solution is rather simple to use, and testers may reuse scripts. In the pro package, you can also write custom code, extract data (from databases, files, and spreadsheets), and enable native CI/CD integrations.

Swagger

Swagger is an API testing tool that allows users to test functionality, security, and performance directly from the Open API specification. With the Swagger tool and API Ready, you can quickly build, manage and run API tests in your pipeline. Swagger Inspector offers the ability to examine the response to API requests to make sure they are working as expected. Import user API definitions to easily validate schema rules, automatically generate endpoint assertions and populate parameters with synthetic data. Creates complex load scenarios to test API scalability and performance. It supports all kinds of services from REST and SOAP to GraphQL

Rest Console

REST Console is a REST / HTTP client for Google Chrome that allows users to view and generate custom HTTP requests. It assembles a POST or PUT body from the raw input. Provide theme customization support through an intuitive user interface. You can easily create query settings. Rest Console is used for various authentications. General, Basic, OAuth + Custom.

 

Conclusion

When choosing an automated API testing service, it is important to consider how each of the different options on the market may be more appropriate for a particular purpose. Sometimes developers and test teams can use more than one tool. It is which can make it difficult to find the right tool. Therefore, teams must prioritize the “must-have” features they want. QSource’s Testing Software experts can create a personalized shortlist of software solutions with unbiased recommendations to help you identify the solutions that best suit your business’s needs. Visit QASource right now to learn more about the testing services that are available.