The Best Postman AlternativesTop API & HTTP Clients like Postman

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 50 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, HTTPie for Terminal, Hoppscotch and Bruno.

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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, API Client and Android. 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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Alternatives list

  1. Insomnia REST Client icon

    Insomnia REST Client

     145 likes

    A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.

    87 Insomnia REST Client alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    Specify URL, payload, headers, and authorization all in one place. Then just hit send.
     
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    20
    Insomnia REST Client vs Postman Comments
    Top Positive Comment
    dax0
    1

    Very similar to Postman, but doesn't require logging in for basic features. So useful for some quick testing.

    Top Negative Comment
    Guest
    7

    It's not lightweight, because still uses Electron and not native, so consuming memory alot

    Review by a new / low-activity user.
    AdinanCenci
    Negative
    0

    used to like it, now it is as garbage as postman

    3 of 20 comments
    • Insomnia REST Client is Freemium and Open SourcePostman is Freemium and Proprietary
    • Insomnia REST Client is LightweightPostman is not according to our users
  2. NativeRest icon

    NativeRest

     96 likes

    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/export in light or dark themes.

    51 NativeRest alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    NativeRest main window
     
  4. HTTPie for Terminal icon

    HTTPie for Terminal

     57 likes

    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...

    40 HTTPie for Terminal alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Python
    • FreeBSD
    HTTPie for Terminal screenshot 1
     
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    3
    HTTPie for Terminal vs Postman Comments
    scottfrost
    Positive
    1

    Update to the (only) negative comment. The UI is now free (price) but closed source.

    Blue Paint
    Positive
    0

    Can be launched without internet connection (useful in cases of restrictive VPN policy)

    Leonardo Colman
    Negative
    -2

    HTTPie doesn't contain an interface. The current UI is closed behind a private beta.

    • HTTPie for Terminal is Free and Open SourcePostman is Freemium and Proprietary
    • HTTPie for Terminal is LightweightPostman is not according to our users
  5. Ad
  6. Hoppscotch icon

    Hoppscotch

     42 likes

    Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.

    69 Hoppscotch alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Online
    • Self-Hosted
    Hoppscotch screenshot 1
     
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    3
    Hoppscotch vs Postman Comments
    notPlancha
    Positive
    0

    Completely free, no account needed for anything, can be used on browser and even offers proxy

    Guest
    Positive
    3

    Helps you create your requests faster, saving you precious time on your development

    Review by a new / low-activity user.
    Max Fisher
    Negative
    -1

    AFAIK, doesn't have a feature to import cURL from clipboard.

    • Hoppscotch is Free and Open SourcePostman is Freemium and Proprietary
    • Hoppscotch is LightweightPostman is not according to our users
  7. Bruno icon

    Bruno

     47 likes

    Bruno is a new and innovative open source API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.

    35 Bruno alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Snapcraft
    • Flathub
    • Visual Studio Code
    Bruno screenshot 1
     
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    5
    Bruno vs Postman Comments
    Top Positive Comment
    Port5000
    1

    Lightweight, runs on local, extremely simple and easy to use, enough to test APIs and it even exports to Postman!

    jarne
    Positive
    1

    Best alternative to Postman in my opinion, open source and lightweight, easy to use, and the ability to import existing Postman collections. A nice bonus that you can easily commit Bruno files to Git.

    Review by a new / low-activity user.
    Ola Johansson
    Positive
    0

    Looks nice, and like the simplicity with data just stored in a folder and you can sync it with git or Dropbox or whatnot.

    3 of 5 comments
    • Bruno is Freemium and Open SourcePostman is Freemium and Proprietary
    • Bruno is LightweightPostman is not according to our users
  8. RapidAPI for Mac icon

    RapidAPI for Mac

     60 likes

    RapidAPI for Mac (formerly Paw) is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.

    59 RapidAPI for Mac alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    RapidAPI for Mac screenshot 1
     
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    3
    RapidAPI for Mac vs Postman Comments
    Guest
    Positive
    3

    Simple request chaining (right-click in the UI, no code or globals); Great workflow for when writing a fast-changing API

    Review by a new / low-activity user.
    Guest
    Positive
    1

    Superb flexibility and cookie handling. An entire session with transactions can be constructed in Paw with it's ability to parse incoming data and extract potions for the next request.

    Review by a new / low-activity user.
    malternative
    Positive
    2

    Handles cookies way better than Postman

    • RapidAPI for Mac is Freemium and ProprietaryPostman is also Freemium and Proprietary
  10. soapUI icon

    soapUI

     59 likes

    Eviware, the maker of soapUI, Web Service Testing Leader

    soapUI is a tool for functional testing, mainly of web services like SOAP based web services and RESTful web services, but also HTTP based services and JMS Services as well as databases. soapUI is an open source and compl.

    80 soapUI alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    soapUI screenshot 1
     
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    1
    soapUI vs Postman Comments
    DiskCrasher
    Positive
    0

    Can create a mock server for free.

    • soapUI is Free and Open SourcePostman is Freemium and Proprietary
    • soapUI is LightweightPostman is not according to our users
  11. Advanced REST Client icon

    Advanced REST Client

     27 likes

    API testing tool. Which allows web developers to create and test custom HTTP requests.

    72 Advanced REST Client alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • AppImageHub
    • Google Chrome
    • Chromium
    Advanced REST Client screenshot 1
     
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    3
    Advanced REST Client vs Postman Comments
    patheticcockroach
    Positive
    2

    Better features than Postman for my use case: I need full control over the headers, including the ability to remove them all, something which Postman doesn't allow to do (they add tons of junk headers)

    blur HY
    Positive
    3

    It has all features postman has, and it's modern

    Guest
    Negative
    0

    The import request are so bad

    Review by a new / low-activity user.
    • Advanced REST Client is Free and Open SourcePostman is Freemium and Proprietary
  12. Yaak icon

    Yaak

     18 likes

    The API client for modern developers. Call REST, GraphQL, and gRPC APIs from a simple and intuitive app.

    71 Yaak alternatives

    Cost / License

    • Free Personal
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    Clean an minimal interface
     
  13. Insomnium icon

    Insomnium

     16 likes

    Insomnium is a fast local API testing tool that is privacy-focused and 100% local. For testing GraphQL, REST, WebSockets and gRPC. This is a fork of Kong/insomnia.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Insomnium screenshot 1
     
  14. Roster HTTP Client icon

    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.

    16 Roster HTTP Client alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    • GNOME
    Roster HTTP Client screenshot 1
     
  15. Requestly icon

    Requestly

     32 likes

    Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Microsoft Edge
    • Google Chrome
    • Software as a Service (SaaS)
    • Selenium
    • Firefox
    Modify HTTP Headers
     
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    1
    Requestly vs Postman Comments
    Abhishek Sachan
    Positive
    0

    Requestly = Postman + Charles Proxy.

    Review by a new / low-activity user.
    • Requestly is Freemium and Open SourcePostman is Freemium and Proprietary
    • Requestly is LightweightPostman is not according to our users
12 of 95 Postman alternatives