price，价格，cny定价最多5位小数，btc定价最多8位小数，不同币种有所不同，以网站显示为准 / the price of the order. decimal digits varies as per coins, you can get the decimal digits on our website

amount，数量，最多6位小数 / the amount of the order. 6 decimal digits at most

coinname，币名，比如BTC、DOGE、BTS / the Symbol of the coin. Ex: BTC, DOGE, BTS

返回 / Return：

succ，挂单成功 / successful

overBalance，账户余额不足 / insuffient balance

其它返回表示不同的错误，情况太多，暂不罗列，这种错误发生的可能性不大

撤单 Cancel an Order

http://www.btc38.com/trade/t_api/cancelOrder.php

调用方式 / Method：POST

传入参数 / Value：

key，时代提供的32位公钥 / public key

time，挂单时的时间戳，单位为秒 / the timestamp or the order, measured by "second"

md5，使用md5(key_用户ID_skey_time)，SKEY为32位密钥，顺序不可颠倒 / the result of md5(key_userID_skey_time), SKEY is the secret key
mk_type，cny为人民币定价，btc为比特币定价，不可为空 / which market, BTC or CNY

order_id，要撤的单的ID the ID of the order you'd cancel

succ，撤单成功 / successful

overtime，该单不存在，或者已成交了 / order expired or traded

获取当前自己的挂单 Get Open Orders

http://www.btc38.com/trade/t_api/getOrderList.php

调用方式 / Method：POST

传入参数 / Value：

key，时代提供的32位公钥 / public key

time，挂单时的时间戳，单位为秒 / the timestamp or the order, measured by "second"

coinname，币名，比如BTC、LTC，不填则返回全部币种的挂单 / the coin's name. Eg. BTC、LTC. For default it will return order of all coins.

如果挂单为空，返回 [] / If there is no ordre, it will return []

如果挂单不为空，则返回比如 / if there is any order：

[{"order_id":"123", "order_type":"1", "order_coinname":"BTC", "order_amount":"23.232323", "order_price":"0.2929"}, {"order_id":"123", "order_type":"1", "order_coinname":"LTC","order_amount":"23.232323", "order_price":"0.2929"}]

行情API无须授权即可使用，交易API需要公钥和密钥，如果您需要使用自动交易API，请向我们的客服索取自动交易API的公钥和密钥。
Public Key and Secret Key are demanded to use the trade API. If you need it, pelase contact our customer service.

由于我们的分布式CDN对非HTTP请求做了限制，因此调用API时，您可能需要人为设置HTTP，以免被防火墙拦截。调用API有技术方面的故障，请联系加 API 技术QQ 2805792922。

As the CDN has a technical strategy that limtes non-HTTP calling, you may need to config the header the HTTP request, so as to avoid the request being filtered. For technical help, please contact 2805792922(a)qq.com .

附件：调用范例 / Demo (PHP)

$date = new DateTime();

$stamp = $date->getTimestamp();

$mdt = "这里写公钥_这里写用户ID_这里写私钥_" . $stamp;

$mdt = md5($mdt);

$data = array("key" => "这里写公钥", "time" => $stamp, "md5" => $mdt, "type" => 1, "mk_type" => "cny",

"price" => "0.0001", "amount" => "100", "coinname" => "XRP");

//$data_string = json_encode($data);

$ch = curl_init ();

curl_setopt ( $ch, CURLOPT_URL, 'http://www.btc38.com/trade/t_api/submitOrder.php' );

curl_setopt ( $ch, CURLOPT_POST, 1 );

curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);