How do I send a POST request from curl correctly? or What's the best way to make a POST request from

Pro tip: Use `--data-urlencode` if your data has weird chars. Saved me hours of headaches.

```bash
curl -X POST https://example.com/api --data-urlencode "key=value"
```

For auth, check the API docs—some want it in the header, others in the URL.