I have long used `postman` and, on the Mac, `Paw.app` to test REST calls. But today a co-worker turned me on to the VSCode extension "REST Client". I use VSCode anyway, and this client is awesome. Plus, I can get rid of some extraneous tools then. But holy mackerel it is awesome.
Geekstream.org is the personal mastodon instance of Sean McCune. It is not open for accounts unless I know you. Try noagendasocial.com if you can stand free speech you may disagree with.