Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.
Cost / License
- Freemium (Subscription)
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux




Restlet is described as 'The market leader in cloud based API-first software development across all sizes of enterprises and for every provider & consumer of APIs' and is a API Client in the development category. There are more than 25 alternatives to Restlet for a variety of platforms, including Mac, Windows, Linux, Web-based and Chrome OS apps. The best Restlet alternative is Postman, which is free. Other great apps like Restlet are Insomnia REST Client, Hoppscotch, HTTPie for Terminal and RapidAPI for Mac.
Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.




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.

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.


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.




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.


Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment.



