Re: How to use libcurl to POST data in JSON-format
Aleksandar Lazic via curl-library <[email protected]>
| Newsgroups | gmane.comp.web.curl.library |
|---|---|
| Message-ID | <[email protected]> |
Hi.
On 2025-06-18 (Mi.) 10:47, Владислав Коробов via curl-library wrote:
> Hello everyone,
> I work on Linux #astra31+ci49-Ubuntu with GNU/Linux.
> On my system installed curl 7.68.0 (x86_64-pc-linux-gnu) libcurl/7.68.0
> OpenSSL/1.1.1k zlib/1.2.11 brotli/1.0.7 libidn2/2.0.5 libpsl/0.20.2
> (+libidn2/2.0.5) libssh2/1.11.0 nghttp2/1.36.0 librtmp/2.3.
> From this system I can get the data from some device usung console request to
> the private https server via the curl command:
> curl -k -X GET -H 'Authorization: Bearer nokey' https://<IP-address>:<port>/
> api/ccu/online
> I’ve found, how to get data from this server, using libcurl calls. But I need
> additionally to POST some data to this server using JSON-format.
> Using console request:
> curl -k -X POST -d ‘{«1»:0}’ -H ‘Content-type: application/json’ -H
> ‘Authorization: Bearer nokey’ https://<host>:Port/api/ccu/outputs
> I can change some output registers of the device, via this server. Is it
> possible anyhow using some options of libcurl to POST data to this device in
> JSON-format, like it is done in the previous curl console command?
You can use the `--libcurl` parameter to create a starting .c-file as shown on
that link.
https://everything.curl.dev/libcurl/--libcurl.html?highlight=--libcur#--libcurl
Small suggestion about `-X` usage.
https://daniel.haxx.se/blog/2015/09/11/unnecessary-use-of-curl-x/
> Thanks in advance!
> --
> Vladislav Korobov
> --
> Владислав Коробов
> Отправлено из Почты Mail <https://trk.mail.ru/c/zzm979>
Regards
Aleks
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