curl http://127.0.0.1:18080/ -d '{"method": "order.put_market", "params": [1, "BTCBCH", 1, "10","0.002"],"id": 1}'

[yangmiok]

curl http://127.0.0.1:18080/ -d '{"method": "order.put_market", "params": [1, "BTCBCH", 1, "10","0.002"],"id": 1}'

{
"error": {
"message": "invalid argument",
"code": 1
},
"result": null,
"id": 1
}

[yangmiok]

curl http://127.0.0.1:18080/ -d '{"method": "order.put_market", "params": [1, "BTCBCH", 1, "10","0.002"]}'

[yangmiok]

no response why

[serefercelik]

@Zhangtianai you must to add last parameter too, source (string)
please try this : curl http://127.0.0.1:18080/ -d '{"method": "order.put_market", "params": [1, "BTCBCH", 1, "10","0.002","web"]}'