API integration platform for testing, prototyping, and running of any API flow. The right tool for successful API flow integration - nice, easy, simple, and cheap.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)


Insomnia REST Client is described as 'A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux' and is a very popular API Client in the development category. There are more than 50 alternatives to Insomnia REST Client for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best Insomnia REST Client alternative is Bruno, which is both free and Open Source. Other great apps like Insomnia REST Client are Postman, NativeRest, Yaak and Hoppscotch.
API integration platform for testing, prototyping, and running of any API flow. The right tool for successful API flow integration - nice, easy, simple, and cheap.


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.


A self hosted service that exposes live data from APIs as files on a virtual network share. Providing automatic transformation of data to useful file formats while offering comprehensive security options.



Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.




Helps you to test the Rest API with your phone including features like import, edit and export postman collections.With this, you don't need to look for your laptop or PC whenever you need to test and modify your REST APIs. You can work on them anytime, on the go.




FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).







Ain is a command-line HTTP API client. It's an alternative to postman, paw or insomnia. It enables scripting of input and further processing of output. It targets command-line users who work with API:s using a simple file format.



Slingshot is a web-based HTTP request client that is highly performant, low on resources, privacy respecting, local-first, free and open-source. It stores all your data locally in your browser. It allows you to import and export OpenAPI specs and Postman collections.

A fast, lightweight REST API client for developers. Test, debug, and organize your APIs locally without cloud sync. Free
