Best Postman Alternative.

Rapid API :

You can generate interfaces from API responses in TypeScrift, Swift, and Python programming languages with just one click.

And without leaving your VS code!!.

Similar UI:

Rapid API VS code extension has got an incredibly user friendly UI and a great resemblance to Postman.

Usage guide:

Fairly self-explanatory 😉.

Get it here:

https://marketplace.visualstudio.com/items?itemName=RapidAPI.vscode-rapidapi-client&ssr=false#review-details