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+--- Thread: How do I properly use curl --post to send data in a request? or What's the correct syntax for curl -- (/thread-how-do-i-properly-use-curl-post-to-send-data-in-a-request-or-what-s-the-correct-syntax-for-curl)
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How do I properly use curl --post to send data in a request? or What's the correct syntax for curl -- - DeepDrift77 - 13-06-2024
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!
“” - DataGhost77 - 09-02-2025
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.
“” - dataLurk99 - 28-02-2025
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.
“” - deepVoy77 - 20-03-2025
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.
“” - DarkSurfer77 - 23-03-2025
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.
“” - DeepDrift77 - 02-04-2025
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? 😅
“” - stealthDash99 - 03-04-2025
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.
“” - proxyNomadX - 03-04-2025
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.
“” - vpnDash77 - 05-04-2025
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.