Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.




RESTer is described as 'A REST client for almost any web service (Firefox and Chrome extension)' and is a API Client in the web browsers category. There are more than 50 alternatives to RESTer for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best RESTer alternative is Postman, which is free. Other great apps like RESTer are Insomnia REST Client, Yaak, Hoppscotch and ApiArk.
Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.




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.




Used httpyac CLI tool underneath, which helps you execute _.http and _.rest files. This can be used to quickly execute a single *.http file, but also to execute all files in a folder. httpyac supports HTTP, Rest, GraphQL, WebSocket und gRPC...


This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.

All the user-friendliness of our Terminal version, now wrapped up in a sleek graphical interface.



Httpiness is aimed to be a simple, straightforward HTTP client which minimizes time to configure, send, reconfigure and resend requests in order to maximize development efficiency.


RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.



CloudQA is cloud based test automation platform which will significantly reduce time, cost and complexity of your testing process. CloudQA does not need any test infrastructure. One could get started within minutes to record and execute a test case.

HTTP client plugin for Sublime Text with an expansive feature set, modern UX, elegant syntax and first class support for testing.





Lama2 defines the human-friendly l2 syntax and CLI for describing and executing APIs. Store your APIs in plain-text files. Collaborate with team using version control (say, git). Run Lama2 directly from VSCode extension. Think of Lama2 as Markdown for APIs.

