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HTTP Header Spy

HTTP Header Spy is a browser extension that allows you to inspect the request and response header of any website URL.

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Top 3 Open-Source Alternatives to HTTP Header Spy

HTTP Header Spy
Postman Hoppscotch Proxyman.io

Product categories

API Clients API Testing API Tools APIs Debugging Developer APIs Developer Tools HTTP Proxies Productivity Proxy Web App

Summary

The top open-source alternatives to HTTP Header Spy are Postman, Hoppscotch, and Proxyman.io. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. Postman Landing Page
    Postman Landing Page
    1

    Postman

    The Collaboration Platform for API Development
    Pricing:
    • Open Source

    #API Tools #Developer Tools #APIs 30 social mentions

  2. Hoppscotch Landing Page
    Hoppscotch Landing Page
    2

    Hoppscotch

    Open source API development ecosystem
    Pricing:
    • Open Source
    • Freemium
    • Free Trial

    #Productivity #API Tools #Developer Tools 92 social mentions

  3. Proxyman.io Landing Page
    Proxyman.io Landing Page
    3

    Proxyman.io

    Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
    Pricing:
    • Open Source
    • $49.0 / Annually

    #Debugging #Developer Tools #Proxy 25 social mentions

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