curl --user test:test --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getbalance", "params": ["*", 1] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/
curl: (7) Failed to connect to 127.0.0.1 port 8332: Connection refused
But version 0.16 works