RecipeUI is rethinking how we use API tools like Postman or Insomnia. We're starting off with TypeScript powered API requests and API collections you can run in seconds!

There are many alternatives to Postman for Windows if you are looking for a replacement. The best Windows alternative is Insomnia REST Client, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Postman and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Postman are NativeRest, HTTPie for Terminal, Bruno and soapUI.
RecipeUI is rethinking how we use API tools like Postman or Insomnia. We're starting off with TypeScript powered API requests and API collections you can run in seconds!

Voiden.md is an offline-first, Git-native API workspace that unifies specs, docs, tests, and mocks using programmable Markdown blocks. Build APIs the way you actually work.



Reqable is a modern cross-platform project, designed for API development, testing, and debugging. Reqable fully supports HTTP1 and HTTP2 and partially supports HTTP3(QUIC).




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...

xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible of HTTPie's excellent design, with a focus on improved performance.





Thunder Client is a hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace.


Nice extension to VS Code that can replace Postman or Insomnia.




Amazing interface, integrates very well in Firefox, prettyfies the code… What else?

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








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



Hurl is a command line tool that runs HTTP requests defined in a simple plain text format. It can capture values, evaluate queries on headers and body response. It is very versatile: it can be used for both fetching data and testing HTTP sessions.



Pulled a bait and switch and now charges for basic features like the ability to sync via GIT