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Alternatives

Products that do what api spy does

shows apis calls while browsing

  1. 1

    Reliable uptime and performance monitoring for your services

    2019

  2. 2IR

    Sharing an internal tool that accelerated my development work 10-fold, especially with API debugging. Thought fellow developers here might find it useful. As a developer, I often have trouble reproducing errors at the client end. https://intercept.rest lets me debug and monitor API requests and responses. It is similar to the Network tab in Chrome Developer Tools but works for any API: mobile apps, webhooks, frontend etc. After I shared it with a close circle of friends, they found it incredibly useful and even found new use cases, I never imagined. Been a long time lurker here and…

    2018

  3. 3
    WrapAPI291

    Build an API on top of any website

    2016

  4. 4WG
  5. 5

    Keep tabs on the latest tech trends

    2023

  6. 6
    Oh Dear154

    Monitor your entire website, not just the homepage

    2020

  7. 7
    API List560

    A collective list of APIs. Build something.

    2017

  8. 8

    Report suspicious sites to Google

    2019

  9. 9

    The latest from Product Hunt in every new Chrome tab

    2014

  10. 10

    Everything you need to debug, in one shareable link

    2023

  11. 11

    Turn any website into a reliable API with 1 prompt

    Dec 2025

  12. 12
    API Plug168

    Hassle-free API generation & management

    2016

  13. 13IB

    I built Site Spy after missing a visa appointment slot because a government page changed and I didn’t notice for two weeks. It watches webpages for changes and shows the result like a diff. The part I think HN might find interesting is that it can monitor a specific element on a page, not just the whole page, and it can expose changes as RSS feeds. So instead of tracking an entire noisy page, you can watch just a price, a stock status, a headline, or a specific content block. When it changes, you can inspect the diff, browse the snapshot history, or follow the updates in an RSS reader. It’s…

    Mar 2026 · sitespy.app

  14. 14

    APIs change. Don't get caught off guard.

    2014

  15. 15
    Blitz127

    Performance testing on websites, web apps & REST APIs

    2015

  16. 16

    Get HTML from any page with a simple API call

    2023

  17. 17

    Chrome Extension for easy lookup of your website's sessions

    2020

  18. 18

    Learn to work with APIs with the help of Slash the API dog

    2019

  19. 19

    Highlight your site in Google and keep eye on Competitors

    2019

  20. 20
    API Diff161

    Diff two API versions in seconds and see what has changed

    2022

  21. 21

    AI & you work side by side on any page

    2023

  22. 22

    Get leads from companies looking for your solutions (Intent)

    2019

  23. 23

    Check your customer's web browser

    2015

  24. 24

    Find Chrome extensions ideas with many users but bad reviews

    2023

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