Curl -X POST --data

curl -X POST --data

curl -X POST --data '{
   "jsonrpc":"2.0",
   "id"     :1,
   "method" :"info.isBootstrapped",
               "params":{
                       "chain":"X"
               }
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

• cURL, curl -s, -X, -x, curl -T, curl --help, curl -L, curl -o, curl -X POST, curl -d, curl --header, curl -I, curl --silent, curl -Is, curl -k or curl --insecure, curl -XPUT, curl -d, ~/.curlrc, curl -i, curl --version, curl --help