JAVASCRIPT

curl post json

curl -X POST -H "Content-Type: application/json" 
 -d '{"username":"abc","password":"abc"}' 
 https://api.example.com/v2/login

curl post json object command

curl -H "Accept: application/json" -H "Content-type: application/json" -X POST -d '{"id":100}' http://localhost/api/postJsonReader.do

curl json post

<?php

$url = "https://reqbin.com/echo/post/json";

$curl = curl_init($url);
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

$headers = array(
   "Content-Type: application/json",
);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

$data = '{"login":"my_login","password":"my_password"}';

curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

//for debug only!
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

$resp = curl_exec($curl);
curl_close($curl);
var_dump($resp);

?>

send json by curl

root@mcsOS:~# curl -X PATCH -d '{"user-block-request":"true"}' 127.0.0.1:8082/v1/ticket-validators -i