Interface Description:
  • Place Contract Order
Request URL:
Request Mode:
  • POST
Parameter Required Type Comment
apiKey true string User-applied apiKey
timeStamp true string Current timestamp
nonce true string Random 6-character string
sign true string signature for requesting parameters
contractId true int Contract ID
price false float Price,if type is market,delivery of Price is not required.
amount true int Amount
leverage true float Leverage
direction true int Direction 1: long;-1: short
type true string Type limit: limit order; market: market order, lowercase string required
isCross true int Cross Margin or not 1: Cross Margin,-1:Isolated Margin
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&contractId=101&price=1&amount=1&leverage=10&direction=1&type=limit&isCross=1 and add application secretKey (only needs value, parameter and ‘&” is not required.)

For example:


Signature string after splicing: apiKey=376892265asdad5d12726d8bbfbd8912b3&timeStamp=1510235730&nonce=309127&contractId=101&price=1&amount=1&leverage=10&direction=1&type=limit&isCross=1aQmE8U7bxj16KdJcSd3yX8F8Sakd8aO6LopnHXh27d4kWyb28PxcaTvGrajLDvAw

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:
         "orderId":710370//Order ID
    "microtime":"0.41892000 1533035297",

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