Below is a list of 5 best support tools for API testing that you can refer to make the right choice for you!
Considering every step in the process of creating comprehensive software - application technology before delivering to customers, then perhaps testing is an extremely important job that must always be done.
It's helps to minimize the errors that will occur when putting the software - application into official operation.
Similar to API development, testing is an indispensable process.
On the market today, there are many tools that help to quickly and simply determine if built APIs meet the requirements in terms of functionality, performance, security, reliability… as expected or not.
Here are the 5 most known “faces” in API testing tools that you should refer to!
Postman
Postman is an extremely familiar tool for those who are working with APIs, must appear in this article!
Initially, Postman was just a plugin to support the Chrome browser, but later expanded into an on-premises solution for both Mac and Windows.
Specifically, Postman has the ability to automate API testing, which is often used by developers during the project development phase at the unit test step.
With Postman, users can completely check the quality of the project through the returned results without caring about the interface.
Following are the outstanding features that make Postman loved and preferred by users:
- User-friendly interface, simple and convenient for operation.
- Rich functionality (run, test, document and monitor...).
- Easy-to-use REST client.
- Capable of calling REST APIs of Google, Youtube, Facebook...
- Diverse versions, suitable for many different operating systems (macOS, Windows, Linux, Chrome...).
- Supports both automated and manual testing.
- Allows sending HTTP request with full methods (GET, POST, PUT, DELETE...), post data in different formats (TEXT, JSON, key-value...), change header.
- Results returned in many formats (TEXT, image, XML, JSON).
- Extremely suitable for testers who want to avoid coding in the IDE.
- Manage team's public data and share knowledge with colleagues in workspace extremely comfortable.
- Does not require users to learn a new language.
- Includes free usage plan.
JMeter
JMeter is a tool widely used by testers in testing static - dynamic resource performance and project load measurement on various types of servers, in the middle or in preparation for release.
Besides, JMeter is also used to test the functionality of the API with outstanding features such as:
- Is open source code written in Java.
- Supports caching and playback of test results when offline.
- Ability to work with CSV files automatically.
- Allows users to create unique parameter value variables for quick API testing.
- Runs on many different operating systems.
- Includes free usage plan.
ReadyAPI
This is an extremely popular 4-in-1 API testing tool from SmartBear, including the following outstanding features:
- Supports simultaneous testing of performance, functionality, security, load-bearing of RESTful/SOAP/GraphQL and other web services...
- Test API integration with CI/CD pipeline.
- Ensure complete quality checks for all web services.
- Allows creating comprehensive or data-driven API functional tests.
- Exclude dependencies.
Katalon Studio
Katalon Studio is a completely free automation API testing tool.
It provides testers with a comprehensive API testing solution with a common environment for creating - executing UI functions, API/WEB services and Mobile.
Outstanding advantages:
- Recognized as “Gartner Peer Insights” for “software test automation” for 3 consecutive years.
- Simple and fast installation.
- User-friendly interface.
- Every feature is focused on bringing productivity to projects of all sizes.
- Easy to use, even for novices or inexperienced programmers.
- Build flexible test kit.
- There are hundreds of keywords to generate different test cases.
- Test by data-driven methodology, better reliability and coverage.
- Enables native CI/CD integration.
- Support for both SOAP/REST API and SSL client certificates.
- Runs on many platforms (Windows, macOS...).
SoapUI
SoapUI is an extremely popular tool for automated testing of API functionality, including both free and pro versions with a pretty hefty price tag ($749/year).
And of course, the pro version will provide users with more interesting features than when using the free plan.
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Besides, SoapUI also supports testing SOAP/REST APIs and web services extremely simply.
