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.

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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, 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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Alternatives list

  1. Hoppscotch icon

    Hoppscotch

     44 likes

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

    75 Hoppscotch alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Online
    • Self-Hosted
    Hoppscotch screenshot 1
     
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    3
  2. 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.

    20 Roster HTTP Client alternatives

    Cost / License

    Application type

    Platforms

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

    Requestly

     33 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
  5. HttpMaster icon

    HttpMaster

     9 likes

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

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    HttpMaster screenshot 1
     
  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).

    15 Reqable alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • Flatpak
    Reqable screenshot 1
     
  7. 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
     
6 of 6 Postman alternatives