biance code example
Example 1: biance
(HMAC SHA256)
$ curl -H "X-MBX-APIKEY: 22BjeOROKiXJ3NxbR3zjh3uoGcaflPu3VMyBXAg8Jj2J1xVSnY0eB4dzacdE9IWn" -X POST 'https://vapi.binance.com/vapi/v1/order' -d 'symbol=BTC-210129-40000-C&side=BUY&type=LIMIT&timeInForce=GTC&quantity=0.01&price=2000&recvWindow=5000×tamp=1611825601400&signature=7c12045972f6140e765e0f2b67d28099718df805732676494238f50be830a7d7'
Example 2: biance
$ echo -n "symbol=BTC-210129-40000-C&side=BUY&type=LIMIT&timeInForce=GTC&quantity=0.01&price=2000&recvWindow=5000×tamp=1611825601400" | openssl dgst -sha256 -hmac "YtP1BudNOWZE1ag5uzCkh4hIC7qSmQOu797r5EJBFGhxBYivjj8HIX0iiiPof5yG"
(stdin)= 7c12045972f6140e765e0f2b67d28099718df805732676494238f50be830a7d7