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 Open Source, Linux, Web Development, Online, Mac, Android and API Client. 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 Jun 16, 2025

Lama2
2 likes
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.
Cost / License
Free
Open Source (AGPL-3.0)
Application types
API Client
HTTP Client
Platforms
Mac
Windows
Linux
Is Lama2 a good alternative to Postman?
Gotcha Rest Client
1 like
Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.
Cost / License
Paid
Proprietary
Application types
API Client
HTTP Client
Platforms
Mac
+4
Is Gotcha Rest Client a good alternative to Postman?
API Dash
Like
API Dash is a beautiful open-source cross-platform API Client built using Flutter which can help you easily create & customize your API requests, visually inspect responses and generate API integration code. A lightweight alternative to postman/insomnia.
Cost / License
Free
Open Source (Apache-2.0)
Application types
API Client
HTTP Client
Platforms
Windows
Mac
Linux
Debian
Ubuntu
Linux Mint
Fedora
Red Hat Enterprise Linux
CentOS
Is API Dash a good alternative to Postman?
Ad
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
Learn More
Escambo
Like
Escambo is an HTTP-based APIs test application for GNOME.
Cost / License
Free
Open Source (GPL-3.0)
Platforms
Linux
Flathub
Flatpak
Is Escambo a good alternative to Postman?
friflo POST
Like
Main goal of this VSCode extension is storing all HTTP request & response data automatically as files in a VSCode workspace.
Cost / License
Free
Open Source (MIT)
Application types
HTTP Client
API Client
Platforms
Mac
Windows
Linux
Is friflo POST a good alternative to Postman?
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I
Iron Test
Like
API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.
Cost / License
Free
Open Source (Apache-2.0)
Application type
Automated Testing
Alerts
Discontinued
Platforms
Mac
Windows
Linux
I
Is Iron Test a good alternative to Postman?
Hubql
1 like
The collaboration platform for building, documenting and testing APIs together.
Cost / License
Freemium
Proprietary
Application type
API Client
Origin
United States
Platforms
Online
Google Chrome
Software as a Service (SaaS)
Mozilla Firefox
Is Hubql a good alternative to Postman?
C
C
Curlie
2 likes
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.
Cost / License
Free
Open Source (MIT)
Application types
API Client
HTTP Client
Origin
France
EU
Platforms
Mac
Windows
Linux
BSD
C
Is Curlie a good alternative to Postman?
Loadmill
5 likes
Loadmill helps developers easily create the tests required for continuous delivery by analyzing user behavior. Loadmill automates backend regression testing by replaying real user behavior. Through the use of smart recordings, the platform can create and replay thousands of...
Cost / License
Paid
Open Source
Application type
API Client
Origin
United States
Platforms
Mac
Windows
Linux
Online
Software as a Service (SaaS)
Is Loadmill a good alternative to Postman?

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3comments
Loadmill vs Postman Comments

Guest
Positive commentDec 18, 2019
1
It detects parameters in network recordings automatically
Review by a new / low-activity user.
rivi
Positive commentJan 10, 2020
1
It can generate API test automatically from your traffic so you get fully regression coverage with minimum effort
Review by a new / low-activity user.
ayalakr
Positive commentJan 14, 2020
1
I used it to transform HAR and GOR files into test suites very easily
Review by a new / low-activity user.
Loadmill is Paid and Open SourcePostman is Freemium and Proprietary
TESTIFI:Pulse
Like
Pulse is an AI-powered automation testing tool which scans through your API documentation and generates hundreds of tests in a heartbeat.
Cost / License
Paid
Proprietary
Platforms
Online
+3
Is TESTIFI:Pulse a good alternative to Postman?
Chapar
Like
Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.
Cost / License
Free
Open Source (BSD-3-Clause)
Application types
API Client
HTTP Client
Platforms
Mac
Linux
+4
Is Chapar a good alternative to Postman?
Artemis
Like
Artemis - No Code API Testing Platform is a revolutionary tool designed to streamline API testing through a No-Code approach, allowing for smooth integration into existing workflows. This platform eliminates the need for manual scripts, offering a fully automated testing...
Cost / License
Freemium
Proprietary
Platforms
Online
Is Artemis a good alternative to Postman?

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