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Free Postman Alternatives

The best free alternative to Postman is Insomnia REST Client, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Postman and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Postman are soapUI, Hoppscotch, HTTPie and cURL.

Postman alternatives are mainly HTTP Clients but may also be API Clients or Uptime Monitor Services. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Postman.
This page was last updated Jun 22, 2022
Postman
  153
  • FreemiumProprietary
  • Mac
  • Windows
  • Linux
  • Online
  • Chrome OS
  • Google Chrome

Postman is a tool that facilitates the development and use of APIs. Postman provides all the functionality needed to create...

Learn more about Postman

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

    Insomnia REST Client vs Postman opinions
    Almost everyone thinks Insomnia REST Client is a great alternative to Postman.
     all • positive • negative      relevance • date
    juls07

    Compared to postman this is definitely better the UI is less cluttered there's Linux support, and it just looks nicer.

    Top positive comment  about 1 year ago
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    2
    nassyma

    Full featured, open source, freemium

    Top positive comment  almost 2 years ago
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    3

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

    Top negative comment  10 months ago
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    2
    scottfrost

    Many of the same features as Postman, but no sync unless you pay. This is a deal breaker to developers who work on multiple computers, like home & work PCs.

    Negative comment over 1 year ago
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    -5
    davidmiller1990x

    Found it really useful and fast, thanks!

    Positive comment almost 2 years ago
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    2

    Have very usefule api call history, and clean interface, and lightweight

    Positive comment about 2 years ago
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    4
    yogidevendra

    Creating new request was easy. I loved the feature to Generate client code from the request.

    Positive comment over 2 years ago
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    1
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    7 of 18 comments
  2. soapUI

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Eviware, the maker of soapUI, Web Service Testing Leader.

    Most users think soapUI is a great alternative to Postman.


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

    Hoppscotch vs Postman opinions
    Most users think Hoppscotch is a great alternative to Postman.

    fully web based interface

    Positive comment over 2 years ago
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    0

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

    Positive comment over 2 years ago
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    3
  4. HTTPie

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    HTTPie—aitch-tee-tee-pie—is a user-friendly command-line HTTP client for the API era. It comes with JSON support, syntax highlighting, persistent sessions, wget-like downloads, plugins, and more.

    HTTPie vs Postman opinions
    Most users think HTTPie is a great alternative to Postman.
    LeoColman

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

    Negative comment 8 days ago
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    0
  5. cURL

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • Cygwin
    • Haiku

    cURL is a computer software project providing a library and command-line tool for transferring data using various protocols with URL syntax: supporting FTP, FTPS, SCP, SFTP, HTTP, HTTPS, TFTP, TELNET, DICT, LDAP, LDAPS and FILE.



  6. Advanced REST Client (ARC)

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Google Chrome
    • Chromium
    • Chrome Web Store

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

    Advanced REST Client (ARC) vs Postman opinions
    Most users think Advanced REST Client (ARC) is a great alternative to Postman.

    The import request are so bad

    Negative comment almost 2 years ago
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    0
    patheticcockroach

    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)

    Positive comment over 2 years ago
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    2
    blurHY

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

    Positive comment almost 3 years ago
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    3
  7. RESTer

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox

    A REST client for almost any web service (Firefox and Chrome extension).

    RESTer vs Postman opinions
    Almost everyone thinks RESTer is a great alternative to Postman.

    Amazing interface, integrates very well in Firefox, prettyfies the code… What else?

    Positive comment almost 4 years ago
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    1
  8. RESTClient

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.

    Almost everyone thinks RESTClient is a great alternative to Postman.
  9. HttpRequester

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Firefox

    HttpRequester is a tool for Firefox for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions.

    Discontinued

    Doesn't support Firefox WebExtensions:https://github.com/tommut/HttpRequester/issues/43Also latest commit d62a6ea on Mar 12, 2017.

    Almost everyone thinks HttpRequester is a great alternative to Postman.
  10. HTTP Toolkit is a beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools from Docker to Android to GraphQL.

Showing 10 of 55 alternatives