Practical and easy-to-use software tool for testing HTTP applications and services.




soapUI is described as 'Eviware, the maker of soapUI, Web Service Testing Leader' and is a popular API Client in the development category. There are more than 50 alternatives to soapUI for a variety of platforms, including Windows, Mac, Linux, Web-based and Flathub apps. The best soapUI alternative is Bruno, which is both free and Open Source. Other great apps like soapUI are Postman, Insomnia REST Client, Yaak and Hoppscotch.
Practical and easy-to-use software tool for testing HTTP applications and services.




Guardius is a Software as a Service (SaaS) company designed to streamline and automate various IT needs for companies that operate their own websites or manage their own infrastructure. It is crucial for companies to safeguard their websites and infrastructure against potential...




Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.




API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android.




Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import/export in light or dark themes.




Runscope helps you monitor, log and measure API usage to solve API problems fast. Automatically monitor APIs without any coding. Runscope provides complete logging for all of your API traffic. Track down troublesome API calls with powerful search.



Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.

Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to...

RestCase is a security-focused API development platform that enables its users to rapidly create secure microservices, mock them in order to start testing, monitor APIs and collaborate on their development and testing.


Comprehensive tool automating SOAP/XML web services testing, offering security, identity, functional, load, and compliance analysis with reporting, data-driven cases, policy validation, drag-and-drop tools, test scheduling, simple deployment, and broad enterprise integration.





Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.



