Postman AlternativesOnly apps categorised as HTTP(S) Debuggers

The best HTTP(S) Debugger alternative to Postman is Hoppscotch, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Postman and six of them are HTTP(S) Debuggers so hopefully you can find a suitable replacement. Other interesting HTTP(S) Debugger alternatives to Postman are Roster HTTP Client, Requestly, HttpMaster and Reqable.

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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Alternatives
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Alternatives list

  1. Hoppscotch icon

    Hoppscotch

     45 likes

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

    81 Hoppscotch alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • US flagUnited States
    Hoppscotch screenshot 1
    Good alternative?
     
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    3
  2. Roster HTTP Client icon

    Roster HTTP Client

     6 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.

    Cost / License

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    • GNOME
    • CZ flagCzechia
    • European Union flagEU
    Roster HTTP Client screenshot 1
    Good alternative?
     
  4. Requestly icon

    Requestly

     34 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.

    49 Requestly alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Microsoft Edge
    • Google Chrome
    • Software as a Service (SaaS)
    • Selenium
    • Firefox
    • US flagUnited States
    Modify HTTP Headers
    Good alternative?
     
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    1
  5. HttpMaster icon

    HttpMaster

     9 likes

    Practical and easy-to-use software tool for testing HTTP applications and services.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    HttpMaster screenshot 1
    Good alternative?
     
  6. Reqable icon

    Reqable

     5 likes

    Reqable is a modern cross-platform project, designed for API development, testing, and debugging. Reqable fully supports HTTP1 and HTTP2 and partially supports HTTP3(QUIC).

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • Flatpak
    Reqable screenshot 1
    Good alternative?
     
  8. CurlHub.io icon

    CurlHub.io

     1 like

    API Traffic Inspector.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    CurlHub.io screenshot 1
    Good alternative?
     
6 of 6 Postman alternatives