How to curl with data – what's the best way to include JSON or form data in a request? Alternatively, for a

For how to curl with data, your JSON syntax is spot on. If you hate typing headers, try `curl --json '{"key":"value"}' URL`. Newer curl versions support it!

Form data? `-d` is fine for simple stuff, but `--data-urlencode` handles encoding for you.

Check out Postman or Insomnia if you want a GUI—way easier for testing APIs.