Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)


Postman is described as 'Collaborative platform for API development providing design, specifications, testing, documentation, and requests with free and paid subscription plans' and is a very popular API Client in the development category. There are more than 100 alternatives to Postman for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best Postman alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like Postman are Hoppscotch, HTTPie for Terminal, Bruno and soapUI.


Nokori is the all-in-one platform for building, hosting, and growing your SaaS business. From Instant Microservices, Auth-as-a-Service, and Transactional Email, we give tech brands the tools they need to bring ideas to life quickly and easily, while providing seamless...




REST-Explorer is an easy to use tool to query or debug REST-based web-services using HTTP or HTTPS. It supports the methods GET, POST, PUT, DELETE, OPTIONS, TRACE, HEAD and PATCH. A request can consist of text (JSON/XML), any kind of HTTP headers and Anonymous, Basic or Windows...


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








Intercept, modify, and mock HTTP requests with ease. A powerful developer tool to streamline your API development and testing workflow.




HTTP API testing tool where you can create requests and mock existing API:s. After trial has expired you can still create requests.




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.



Native API client for Windows & Linux — collections, environments, OpenAPI import, Git sync, request chaining, and response testing.




Routebase keeps your API's design, docs, mock servers, contract tests and monitoring in one living OpenAPI spec so they can't drift apart.



