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 19, 2026

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)
United States
Good alternative?Is Loadmill a good alternative to Postman?

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3comments
Loadmill vs Postman Comments
Positive comment by Guest · Dec 18, 2019
It detects parameters in network recordings automatically
Positive comment by rivi · Jan 10, 2020
It can generate API test automatically from your traffic so you get fully regression coverage with minimum effort
Positive comment by ayalakr · Jan 14, 2020
I used it to transform HAR and GOR files into test suites very easily
3 of 3 comments
Loadmill is Paid and Open SourcePostman is Freemium and Proprietary
Assertible
5 likes
Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.
Cost / License
Freemium
Proprietary
Application typeApplication types
HTTP Client
Uptime Monitor
Origin
United States
Platforms
Mac
Windows
Linux
Online
United States
+3
Good alternative?Is Assertible 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 typeApplication types
API Client
HTTP Client
Platforms
Mac
Linux
+4
Good alternative?Is Chapar 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...

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GetIt
Like
Send HTTP requests to API endpoints. GetIt's main focus is to make your life a lot easier when you have to test APIs or use somebody else's API.
Cost / License
Free
Open Source (MIT)
Application type
API Client
Platforms
Linux
Flathub
Flatpak
+1
Good alternative?Is GetIt a good alternative to Postman?
SyncTree
1 like
SyncTree strives to be a "Super Connecting Platform" that can easily connect any services you want.
Cost / License
Freemium
Proprietary
Platforms
Online
Software as a Service (SaaS)
Windows
Good alternative?Is SyncTree a good alternative to Postman?

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1comment
SyncTree vs Postman Comments
Negative comment by Guest · Feb 1, 2023
It's a no-code solution, not a postman alternative.
1 of 1 comments
SyncTree is Freemium and ProprietaryPostman is also Freemium and Proprietary
Hello HTTP
1 like
A cross-platform HTTP client desktop application for testing HTTP and REST APIs, WebSocket, GraphQL (including subscriptions) and gRPC endpoints.
Cost / License
Free
Open Source (Apache-2.0)
Application type
API Client
Platforms
Mac
Windows
Linux
Good alternative?Is Hello HTTP a good alternative to Postman?
Conektto
1 like
Conektto's API lifecycle fabric is the world's first SAAS based visual designer for API that generates spec, mocks, visualization, code, test and test data automatically.
Cost / License
Freemium
Proprietary
Application type
API Client
Origin
United States
Platforms
Software as a Service (SaaS)
United States
+5
Good alternative?Is Conektto a good alternative to Postman?

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1comment
Conektto vs Postman Comments
Positive comment by coolmechslim · Jun 7, 2022
This is postman on UX steroids
1 of 1 comments
Conektto is Freemium and ProprietaryPostman is also Freemium and Proprietary
ApiClient
Like
Helps you to test the Rest API with your phone including features like import, edit and export postman collections.With this, you don't need to look for your laptop or PC whenever you need to test and modify your REST APIs. You can work on them anytime, on the go.
Cost / License
Freemium
Proprietary
Application type
API Client
Platforms
Android
Good alternative?Is ApiClient a good alternative to Postman?
RedfireForge
3 likes
Visual API testing & load-testing workbench for HTTP, GraphQL, gRPC, WebSocket, SSE, and Kafka — with a workflow designer, API mock server, and CI-ready CLI.
5 RedfireForge alternatives
Cost / License
Free
Open Source (AGPL-3.0)
Origin
United States
Platforms
Windows
Mac
Linux
Online
United States
Good alternative?Is RedfireForge a good alternative to Postman?
R
R
restclient.el
2 likes
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.
Cost / License
Free
Open Source
Application typeApplication types
HTTP Client
API Client
Alerts
Discontinued
Platforms
Mac
Windows
Linux
GNU Emacs
R
Good alternative?Is restclient.el a good alternative to Postman?
Step CI
1 like
Open-source API Test Automation framework.
Cost / License
Free
Open Source (MPL-2.0)
Platforms
Self-Hosted
Good alternative?Is Step CI a good alternative to Postman?
ArdorQuery
1 like
ArdorQuery is a cross-platform tool for performing any HTTP(S) endpoints like REST API, HTML, Images, GraphQL, OData etc.
Cost / License
Free
Open Source (GPL-3.0)
Application typeApplication types
HTTP Client
API Client
Platforms
Mac
Linux
Flathub
Good alternative?Is ArdorQuery a good alternative to Postman?

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