Hoppscotch vs. Postman: a guide to open source API testing - LogRocket Blog
Briefly

The easiest way to set up Hoppscotch is through the desktop application; simply download and install the client for your OS, and you're good to go.
When using the Hoppscotch web client, you can only send requests to publicly available APIs by default. For testing local APIs, a browser extension is required.
Read at LogRocket Blog
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