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 Hoppscotch, HTTPie for Terminal, Bruno and soapUI.

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 Web Development, Online, Open Source, Linux, Mac, Windows and Self-Hosted. 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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Get a badge for your sitePostman alternatives page was last updated Sep 7, 2026

Atrahasis
Like
Api client and Development Platform.
Cost / License
Freemium
Proprietary
Application typeApplication types
API Client
HTTP Client
Origin
International
Platforms
Windows
Mac
Linux
Global
+4
Good alternative?Is Atrahasis a good alternative to Postman?
A2Apex
Like
The trust layer for AI agents. Test, certify, and discover trusted AI agents built on Google's A2A protocol. 50+ automated compliance tests, trust scores, certification badges, and an agent directory.
Cost / License
Freemium
Proprietary
Application type
Automated Testing
Origin
United States
Platforms
Online
United States
Good alternative?Is A2Apex a good alternative to Postman?
APISpider
Like
APISpider is a lightweight API client for testing, debugging, and documenting REST APIs. It includes request history, collections, environment variables, mock servers, and API docs — all designed to keep your workflow fast and distraction-free.
Cost / License
Free
Open Source (MIT)
Application type
API Client
Platforms
Software as a Service (SaaS)
Online
Good alternative?Is APISpider 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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Flowtest
Like
Create multi-step HTTP API checks in a visual editor by chaining requests, extracting response values, applying conditional logic, and setting assertions. Runs can be scheduled or triggered in CI/CD, logging payloads, assertion results, and timings for debugging.
Cost / License
Freemium
Proprietary
Application type
API Client
Origin
Spain
EU
Platforms
Online
Software as a Service (SaaS)
Spain
EU
Good alternative?Is Flowtest a good alternative to Postman?
ZeroWebTools
Like
A secure, local-first browser extension that packs essential developer utilities, JSON formatters, and JWT decoders directly into your toolbar.
Cost / License
Free
Proprietary
Origin
India
Platforms
Online
Google Chrome
India
Good alternative?Is ZeroWebTools a good alternative to Postman?
GetAPI
Like
GetAPI is a native macOS app that simplifies REST API testing by allowing users to import from Postman, make HTTP requests, and view responses in a streamlined interface.
Cost / License
Paid
Proprietary
Application typeApplication types
HTTP Client
API Client
Origin
United States
Platforms
Mac
United States
+2
Good alternative?Is GetAPI a good alternative to Postman?
ThirdWatch
Like
ThirdWatch is a next-generation API monitoring platform designed for development teams who need reliable uptime tracking across all their services.
Cost / License
Paid
Proprietary
Origin
France
EU
Platforms
Online
France
EU
Good alternative?Is ThirdWatch a good alternative to Postman?
ProtoPeek
Like
ProtoPeek is a local-first, open-source workbench for inspecting gRPC and HTTP services. It runs a local Go process with a browser-based console and command-line entry points.
Cost / License
Free
Open Source (MIT)
Application type
API Client
Platforms
Windows
Linux
Mac
Good alternative?Is ProtoPeek a good alternative to Postman?
ReqResp
Like
ReqResp is a fast, lightweight, and modern API testing app designed for developers, testers, and backend engineers. It helps you create, send, and analyze HTTP requests with ease — anytime, anywhere.
Cost / License
Free
Proprietary
Application type
HTTP Client
Platforms
Android
Good alternative?Is ReqResp a good alternative to Postman?
Telegraph REST API Client
Like
Lightweight, free and open-source offline REST and GraphQL API client for Visual Studio Code. A privacy-focused client for testing APIs, HTTP requests and web services.
Cost / License
Free
Open Source (MIT)
Application type
API Client
Origin
India
Platforms
Cursor
Windsurf
Visual Studio Code
India
+9
Good alternative?Is this a good alternative to Postman?
Test API
Like
Use Test API for restful api testing. This postman alternative test rest api online and use post request online to test API endpoint.
Cost / License
Free
Proprietary
Application type
HTTP Client
Origin
United States
Platforms
Google Chrome
United States
Good alternative?Is Test API a good alternative to Postman?
PostPilot
Like
All-in-One Workspace for API Testing, Database Queries, and Data Inspection.
Cost / License
Freemium
Proprietary
Origin
Vietnam
Platforms
Online
Vietnam
+2
Good alternative?Is PostPilot a good alternative to Postman?

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