Alternatives

Products that do what Osapy - an API proxy to visualize HTTP request for debugging does

1. 1AP
   A proxy service for debugging HTTP/S traffic▲75

   2017 · debugproxy.com

2. 2TA
   Tonic – A data visualizing REPL for Node.js▲342

   2015 · tonicdev.com

3. 3
   HTTP Prompt▲128

   An interactive command-line HTTP client

   2016

4. 4HA
   HTTPretty, an easy way to mock http requests in python▲97

   2012 · falcao.it

5. 5PA
   Prestige, a text based HTTP client, for working with HTTP APIs▲117

   2021 · prestigemad.com

6. 6PA
   Pump, a dead simple Pythonic abstraction of HTTP.▲118

   2011 · adeel.github.com

7. 7VO
   Visualization of Available Web APIs▲12

   2020 · wwwperiodictable.surge.sh

8. 8LW
   LightProxy – Web debugging proxy alternative to Charles▲27

   2020 · github.com

9. 9AM
   Auxl – Modular API Client for macOS▲78

   2021 · auxl.io

10. 10RR
    RequestHub – Receive, Log, and Proxy HTTP Requests▲17

    2015 · github.com

11. 11HA
    HTTPLang – a scripting language for making HTTP requests▲44

    2015 · github.com

12. 12DA
    Decoy – A native Mac app for mocking HTTP endpoints locally▲7

    Feb 2026 · decoy-app.com

13. 13CH
    Ciao – HTTP checks and tests monitoring▲77

    2019 · brotandgames.com

14. 14OF
    OpenAPI fuzzer – fuzzing APIs based on OpenAPI specification▲76

    2021 · github.com

15. 15OS
    Open-Source Web/API Monitoring Tool▲7

    2021 · github.com

16. 16AT
    a tool for inspecting HTTP callbacks in realtime▲21

    2013 · webhookinbox.com

17. 17AS
    A simple, work-in-progress API proxy▲18

    2012 · apiaxle.com

18. 18PA
    Pichi – An application-layer proxy which can be controlled via API▲44

    2019 · github.com

19. 19LF
    Leftronic Fetch – retrieve, transform, and visualize HTTP API data▲11

    2016 · leftronic.com

20. 20XR
    X-Ray Debugging for HTTP▲16

    2019 · httptoolkit.tech

21. 21TS
    Timber – Structured Logging for Elixir, Ruby and Node▲23

    2017 · timber.io

22. 22HA
    Hug – A radically simple approach to creating HTTP/JSON APIs in Python▲11

    2015 · github.com

23. 23DR
    Distributed Remote Debugging for Python▲27

    2021 · github.com

24. 24SM
    Silk – Markdown driven API tests▲8

    2016 · medium.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →