Headers
Request signature.
The user's API key.
The current time in milliseconds.
Query Parameters
The uppercase contract name, e.g., E-BTC-USDT.
Response
Successful Response
Available options:
LIMIT, MARKET Available options:
BUY, SELL Available options:
INIT, NEW, New Order, PART_FILLED, FILLED, Cancelled, PENDING_CANCEL, Partially Filled/Cancelled, REJECTED