The top 10 best API Testing tools for 2022 which you should consider while selecting
With the rise of cloud applications and interconnected platforms, API testing tool has become critical. Many of the services we use daily rely on multiple interconnected APIs, so if even one of them fails, the entire service is jeopardized. API testing has become essential for software developers to ensure that API performs as expected.
1. Katalon Studio
Katalon Studio is a free tool for automating web service, application, and mobile app testing. It is quickly becoming the go-to tool for API/Web services testing because it offers the comprehensive solution that developers and testers require. It includes all frameworks, ALM integrations, and plugins in a single package, making deployment a breeze. It provides a simple API testing platform for anyone.
Postman, which began as a Google Chrome plug-in, has evolved into one of the best API testing tools. With the primary goal of testing API services, it has expanded its services to include native Windows and Mac versions. In either case, it’s an excellent choice for exploratory or manual testing. A postman is a tool for monitoring APIs, automating tests, debugging, and running requests. It has a lot of features, it’s free, and it’s highly rated by users.
SoapUI is a functional testing tool that is the world’s leading SOAP and REST testing solution. It essentially functions as a headless API testing tool. With SoapUI’s user-friendly graphical interface and enterprise-class features, you can quickly and easily create and execute automated functional, regression, and load tests. SOAPUI supports a variety of protocols and technologies for testing all types of APIs. The SOAPUI interface is easy to use for both technical and non-technical users.
4. Tricentis Tosca
Tricentis Tosca makes it simple to incorporate continuous testing into Agile and DevOps. It is a software testing tool that supports HTTP, AMQP (Advanced Message Queuing Protocol), SOAP (Simple Object Access Protocol), and a variety of other protocols. Multiple aspects of software testing (test case design, automation, data generation, and analytics) are used in this approach to analyze GUIs and APIs from a business standpoint. It provides comprehensive test case functionality to ensure an efficient test management process. It enables no-code, script-free end-to-end test automation.
Apigee is a cross-cloud API development and management tool provided by Google. Apigee users can access its features through other editors such as Swagger. Users can use Swagger to measure, test, build, and support APIs. It also added TLS (Transport Layer Security) security, Open API 3.0 support, virtual host management improvements, and more software support to provide users with even more flexibility when managing their APIs. The application allows you to create and configure API packages, revenue models, reports, payment gateways, and integrations with developer portals.
JMeter is an open-source tool developed by Apache that analyzes and tests the performance of software applications, products, and services. Originally designed for load testing, this tool is now widely used for functional API testing. A wealth of API testing functionality and additional features to enhance the process are available. This tool can be used to unit-test JDBC database connections. JMeter version 5.4 was released in December 2020, with bug fixes and core enhancements.
If you want to test RESTful services in Java, you should look into Rest-assured. It is an open-source platform that provides Java domain-specific languages to make testing REST services easier. It is frequently used to test JSON and XML-based applications.
Assertible offers simple and dependable API uptime and performance monitoring. It constantly tests web services and prioritizes automation and dependability. Assertible announced Encrypted variables in October 2019, a new feature that provides a new option for storing tokens, passwords, and secret fields required for API testing. It has long been recognized as a dependable API tool.
9. Karate DSL
Karate DSL is a unified framework for testing API automation, mocks, performance, and load. API-based BDD test scenarios have never been easy to create. Karate, on the other hand, has all of the step definitions written for developers so we don’t have to. This tool, created by Intuit, is specifically designed for automated API testing. This tool does not require users to have any programming skills. However, having a basic understanding of HTTP, JSON, XML, XPath, and JsonPath is advantageous.
Swagger is a web-based API testing tool that enables users to test functionality, security, and performance directly from the open API specification. Swagger tooling and the Ready API platform make it easier to quickly create, manage, and execute API tests. Swagger assists you throughout the API lifecycle.