Top 15 Best API Testing Tools in 2022

Written by Barry Allen

September 29, 2022

Top 15 Best API Testing Tools

Introduction

API testing has become increasingly important as the number of cloud apps and associated platforms has grown.

In simple words, an API (Application Programming Interface) is the conduit via which two software packages can communicate and share data.

It’s a form of software testing that can’t be done on the front end since there isn’t one.

In this article, we’ve looked at some of the top free API testing tools.

Top 15 Best API Testing Tools in 2022

In this article, we have outlined the 15 best API testing tools in 2022:

Katalon Studio

KATALON

For three years, Katalon Studio has been recognized as the best API testing tool for API, Web, Mobile, and Windows apps by Gartner Peer Insights Customers’ Choices for Software Test Automation.

  • It has a simple user interface and productivity-boosting tools for projects of any size.
  • Katalon Academy offers free API testing sessions and tool training.

2. ReadyAPI

READYAPI

It’s also one of the best free API testing tools available.

  • ReadyAPI, has configurable pricing, are all available from ReadyAPI.
  • The Ready API is available for 14 days at no cost.

3. ACCELQ

ACCELQ

ACCELQ is the world’s first cloud-based continuous testing platform that automates API and web testing and does not require user to write a single line of code.

  • ACCELQ helps IT teams of all sizes speed up their testing by automating key lifecycle components like test design, planning, development, and execution.
  • API and UI Test Automation API governance entails the administration, preparation, execution, and tracking of API test cases in a single step.

4. Postman

POSTMAN

Another of the greatest free API testing tools for developing APIs is Postman.

The Postman API Development Environment is divided into three sections: Collections, Workspaces, and Built-in Tools.

  • Swagger and RAML are both supported formats.
  • It has a lot of features, is free, and has a lot of positive customer feedback.
  • You may run requests, test and debug them, develop automated tests and mock APIs, document them, and monitor them with Postman collections.

5. REST-Assured

REST ASSURED

In the Java area, REST-Assured makes REST service testing easier.

It is a free and most useful API testing tool available.

  • It’s a completely free and open-source application.
  • The Serenity automation framework is seamlessly integrated.
  • Certain features come pre-installed.
  • Requests and answers are accepted by REST-Assured in XML and JSON formats.

6. Swagger.io

Swagger Hub

This tool can help you through the entire API lifecycle.

  • Swagger Hub is available in three different versions: free, team, and enterprise.
  • You can use this application to check APIs for functionality, performance, and security.
  • LoadUI Pro is a load and performance testing software.
  • Swagger makes a lot of open-source tools available.

7. JMeter

Top 15 Best API Testing Tools

JMeter is a free and open-source application load and performance testing tool.

  • Plugins provide the foundation of its architecture.
  • Jmeter can generate test data.
  • Jmeter is a protocol analyzer.
  • Developers can use this tool to test JDBC database connections as a unit test.
  • You’ll be able to use it with a variety of programming languages.

8. Karate DSL

KARATEDSL

The Karate DSL API testing framework is free and open source.

  • This tool, designed exclusively for automated API testing, has been released by Intuit.
  • A tester can use this tool to create web service tests in a domain-specific language.
  • A rudimentary familiarity of HTTP, JSON, XML, XPath, and JsonPath, on the other hand, will be beneficial.

9. Airborne

Top 15 Best API Testing Tools

Airborne is an open-source API testing framework that is free to use.

  • It’s a Ruby framework based on RSpec.
  • It just provides a text file in which the code can be written.
  • It works with APIs written in Ruby on Rails.

10. Pyresttest

Top 15 Best API Testing Tools

Pyresttest is a RESTful API testing tool written in Python.

  • It can be used for micro-benchmarking as well.
  • For testing, JSON configuration files are accepted.
  • Python gives you the ability to personalize the tool.
  • Return exit codes if the results were unsuccessful.

11. Apigee

ASSERTIBLE

Apigee is an API management software that works across several clouds.

  • Apigee has four pricing options: a free evaluation; $500 per month for a team; $2,500 per month for a business; and Enterprise, which requires contacting the company.
  • IP whitelisting, Java and Python callouts, and distributed traffic management are all included in the business plan.

12. RapidAPI

RAPID API

The first tool on our list of the top API testing tools is RapidAPI.

  • The tool also comes with a free trial.
  • IP whitelisting, Java and Python callouts, and distributed traffic management are all included in the business plan.
  • API analytics, Web service callouts, and extra controls like security, mediation, and protocol are all included in the Team plan.

13. SoapUI

Top 15 Best API Testing Tools

SoapUI is a headless software solution dedicated solely to API testing, allowing you to execute tests on both SOAP and REST APIs.

  • It allows testers to create complex scenarios and supports asynchronous testing.
  • It also stands out for its ease of use and excellent data-driven testing.

14. Tricentis

TRICENTIS

For firms wishing to implement Agile and DevOps methods, Tricentis is a popular choice.

  • The cost of each bundle will vary depending on its features.
  • It uses model-based test automation, which makes script maintenance and regression testing easier.

15. Assertible

15. Assertible

Assertible is widely recognized as one of the greatest API testing tools, with a strong focus on dependability among developers and testers.

  • It permits API tests at every level of the delivery process, from continuous integration to delivery.
  • Assertible will come in handy for users.

Conclusion

Hopefully, you found this article useful and that you were able to identify the finest API testing tools.

If you have any other queries or recommendations, let us know in the comment area.

 

 

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