[b]"How do I properly use curl --post to send data in a request?"[/b] or [b]"What's the correct syntax for curl --

16 Replies, 959 Views

Hey folks!

Struggling with curl --post here... can't seem to get it right.

Trying to send some JSON data, but the server keeps yelling at me.

Is the syntax like:
`curl --post -H "Content-Type: application/json" -d '{"key":"value"}' http://example.com`

Or am I missing something?

Also, when shoudl I even use curl --post? Like, is it just for APIs or what?

Pls halp, my terminal is judging me rn.

P.S. Why does it sometimes fail silently? So annoying.

Thanks!
Ah, the classic curl --post struggle! Your syntax is *almost* right, but it's actually `curl -X POST` instead of `--post`.

Try this:
`curl -X POST -H "Content-Type: application/json" -d '{"key":"value"}' http://example.com`

For silent fails, use `-v` for verbose mode—it’ll spill the tea on what’s going wrong.

And yeah, curl --post (well, -X POST) is mostly for APIs, but you can use it anywhere you need to send data to a server.
Bro, curl --post isn’t even a thing lol. You want `-X POST`.

Also, if the server’s yelling, check the response with `-i` to see headers.

Pro tip: Use `jq` to prettify JSON responses. Saves headaches.

Silent fails? Welcome to curl life. Always assume it’s your fault until proven otherwise.
Your JSON might be the issue. Escape those quotes or use a file:
`curl -X POST -H "Content-Type: application/json" -d @data.json http://example.com`

And yeah, curl --post (well, POST) is for sending data—APIs, forms, whatever.

For debugging, try Postman first to isolate if it’s curl or your server.
curl --post? Nah, fam. It’s `-X POST`.

Also, servers can be picky. Add `-H "Accept: application/json"` too.

Silent fails? Use `-v` or `--trace-ascii dump.txt` to see the raw convo.

Tools? Postman or Insomnia for GUI testing. Lifesavers.
Yo, thanks everyone! Switched to `-X POST` and it worked... kinda.

Now the server’s returning a 400. Used `-v` and saw the JSON is malformed. Ugh.

Gonna try the `@data.json` trick next.

Also, httpie looks dope—def trying that.

PS: Why is curl so cryptic tho? 😅
You’re close! Drop the `--post` and use `-X POST`.

For JSON, watch the quotes—bash might eat them. Try:
```
curl -X POST -H "Content-Type: application/json" -d "{\"key\":\"value\"}" http://example.com
```

And silent fails? Yeah, curl’s a jerk like that. `-v` is your bestie.
curl --post isn’t valid, my dude. Gotta use `-X POST`.

Also, if the server’s fussy, try `-H "Accept: */*"` to see if it helps.

For testing, `httpbin.org/post` is great for echo testing your requests.

Silent fails? Always. Assume the worst.
Wait, why even use curl --post (I mean `-X POST`) manually?

If you’re doing a lot of API stuff, check out `httpie`—way simpler syntax.

But for your case:
```
curl -X POST -H "Content-Type: application/json" -d '{"key":"value"}' http://example.com
```

And yeah, silent fails are the worst. `-v` or GTFO.



Users browsing this thread: 1 Guest(s)