Postman Alternatives

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 NativeRest, Hoppscotch, HTTPie for Terminal and Bruno.

filter to find the best alternatives

Postman alternatives are mainly API Clients, but if you're looking for HTTP Clients or HTTP(S) Debuggers you can filter on that. Other popular filters include Linux, Web Development, Open Source, Online, Android, Mac and Windows. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Postman.

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Postman alternatives page was last updated Jul 20, 2026

Roster HTTP Client
5 likes
HTTP client for GNOME featuring GTK 4 UI, organized project management, request history, secure environment variables, JavaScript scripts for preprocessing, export in cURL and more formats, syntax-highlighted response viewing, and advanced request customization.
Cost / License
Free
Open Source (GPL-3.0)
Application type
HTTP Client
Origin
Czechia
EU
Platforms
Linux
Flathub
Flatpak
GNOME
Is Roster HTTP Client a good alternative to Postman?
JSON API Tester
1 like
Lightweight alternative to Postman, written in Python / PyQt. Supports REST API and JSON RPC API.
Cost / License
Free
Open Source (GPL-3.0)
Platforms
Windows
Linux
Is JSON API Tester a good alternative to Postman?
Tiger API Client
5 likes
Free, open source, git-native API client. A local-first, account-free Postman alternative with a built-in MCP server, SOAP/GraphQL, request chaining and performance runs.
49 Tiger API Client alternatives
Cost / License
Free
Open Source (MIT)
Application type
API Client
Origin
France
EU
Platforms
Mac
Windows
Linux
Is Tiger API Client a good alternative to Postman?
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NativeRest
Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import...

https://nativesoft.com
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HttpMaster
9 likes
Practical and easy-to-use software tool for testing HTTP applications and services.
Cost / License
Free
Proprietary
Application types
HTTP Client
API Client
Platforms
Windows
+7
Is HttpMaster a good alternative to Postman?
Stoplight
12 likes
Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
50 Stoplight alternatives
Cost / License
Freemium
Open Source
Application type
API Client
Origin
United States
Platforms
Mac
Windows
Linux
Online
Is Stoplight a good alternative to Postman?

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1comment
Stoplight vs Postman Comments

Guest
Positive commentApr 1, 2017
0
simple ui get the response..!!!!
Stoplight is Freemium and Open SourcePostman is Freemium and Proprietary
Reqable
5 likes
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).
18 Reqable alternatives
Cost / License
Freemium
Proprietary
Application types
API Client
HTTP Client
Platforms
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Flathub
Flatpak
+9
Is Reqable a good alternative to Postman?
Voiden.md
7 likes
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.
Cost / License
Free
Proprietary
Application type
API Client
Origin
Netherlands
EU
Platforms
Mac
Windows
Linux
Is Voiden.md a good alternative to Postman?
xh
11 likes
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.
Cost / License
Free
Open Source (MIT)
Application types
HTTP Client
API Client
Platforms
Mac
Windows
Linux
BSD
Is xh a good alternative to Postman?
Cartero
5 likes
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...
Cost / License
Free
Open Source (GPL-3.0)
Application type
HTTP Client
Origin
Spain
EU
Platforms
Linux
Windows
Flathub
Flatpak
Nix Package Manager
Mac
Is Cartero a good alternative to Postman?
Kusho
3 likes
Never test your APIs manually again.
Cost / License
Free
Proprietary
Origin
United States
Platforms
Visual Studio Code
Mac
Windows
Linux
+2
Is Kusho a good alternative to Postman?
Apidog
5 likes
Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.
50 Apidog alternatives
Cost / License
Freemium
Proprietary
Application types
API Client
HTTP Client
Origin
Singapore
Platforms
Mac
Windows
Linux
Online
+1
Is Apidog a good alternative to Postman?
RESTer
6 likes
A REST client for almost any web service (Firefox and Chrome extension).
58 RESTer alternatives
Cost / License
Free
Open Source
Application types
API Client
HTTP Client
Platforms
Mac
Windows
Linux
Google Chrome
Firefox
Is RESTer a good alternative to Postman?

|
1comment
RESTer vs Postman Comments

Guest
Positive commentSep 13, 2018
1
Amazing interface, integrates very well in Firefox, prettyfies the code… What else?
RESTer is Free and Open SourcePostman is Freemium and Proprietary

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