The best Web Testing alternative to Postman is HTTPie for Terminal, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Postman and five of them are Web Testing Tools so hopefully you can find a suitable replacement. Other interesting Web Testing Tool alternatives to Postman are JSON API Tester, xh, Curlie and restclient.el.
HTTPie (pronounced aitch-tee-tee-pie) is a command line HTTP client. Its goal is to make CLI interaction with web services as human-friendly as possible. It provides a simple http command that allows for sending arbitrary HTTP requests using a simple and natural syntax, and...
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Lightweight alternative to Postman, written in Python / PyQt. Supports REST API and JSON RPC API.
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.
If you like the interface of HTTPie but miss the features of curl, curlie is what you are searching for. Curlie is a frontend to curl that adds the ease of use of httpie, without compromising on features and performance.
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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.
