Interface Description:
  • Submit the limit order
Request URL:
Request Method:
  • POST
Parameter Required Type Description
apiKey true string apiKey requested by the user
timeStamp true string current timeStamp
nonce true string random 6-character string
sign true string signature of the requested parameter
type true string 1:buy, 2:sell
price true float price
number true float quantity
symbol true string trading pair eth_btc、ltc_btc
tradePwd true string trade password
How to sign for required parameter:

All parameters submitted by users except sign require signature.

First, sort signature strings in alphabetical order based on parameters (compare the first letter of all parameter, if they differ, then the string whose first letter comes earlier in the alphabet comes before the other string. If the first letters are the same, then the second letters are compared, and so on).

For example:Sign for the following parameter

apiKey=376892265asdad5d12726d8bbfbd8912b3&timeStamp=1510235730&nonce=309127&type=in&price=0.04751351&number=10&symbol=eth_btc&tradePwd=asdf and then add the requested secretKey(only needs value, parameter and ‘&” is not required.)


Signature string after splicing: apiKey=376892265asdad5d12726d8bbfbd8912b3&timeStamp=1510235730&nonce=309127&type=in&price=0.04751351&number=10&symbol=eth_btc&tradePwd=asdfaQmE8U7bxj16KdJcSd3yX8F8Sakd8aO6LopnHXh27d4kWyb28PxcaTvGrajLDvAw

Note,"sign" is a required parameter

Last,use md5 32bit algorithm to apply signature algorithm to the parameter, and then generate final signature string (the string assigns value to parameter ‘sign’)).

Example of Return Result:
        "status": 200,  //Status code Success
        "msg": "",      //Message
        "id":"693248739", //order id
        "uId":"2074056",  //UID 
        "price":"100",    //price
        "number":"10",    //number
        "numberOver":"10", //unfilled amount
        "flag":"sale",    //type
        "status":0,       //not filled 
        "coinFrom":"vtc",  //The currency to be exchanged
        "coinTo":"dkkt",   //Target exchange
        "numberDeal":"0"  //filled amount
    "time":1533035297, //Second timestamp
    "microtime":"0.41892000 1533035297", //Millisecond timestamp
    "source":"api"    //Source

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