If you want to complicate your life just a little bit, there's hurl: https://hurl.dev/
The downside for me is that I have a filesystem littered with .hurl files and no real organization. But it's one step more organized than just curl.
FWIW Bruno can be forked unlike Postman. Not to mention, it would be trivial to vibe code something like this now. Postman absolutely deserves its downfall for trying to nickel and dime customers.