**Poloniex API documentation**
https://poloniex.com/support/api
Example Request:
POST /tradingApi HTTP/1.1
Host: poloniex.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:59.0) Gecko/20100101 Firefox/59.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Key: API_KEY
Sign: ```<COMMAND_SIGNED_WITH_SECRET>```
Referer: https://poloniex.com/apiKeys
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Connection: close
Content-Length: 30
command=returnBalances&nonce=```<NONCE_VALUE>```
**Poloniex API documentation**
https://poloniex.com/support/api
Example Request:
POST /tradingApi HTTP/1.1
Host: poloniex.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:59.0) Gecko/20100101 Firefox/59.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Key: API_KEY
Sign: ```<COMMAND_SIGNED_WITH_SECRET>```
Referer: https://poloniex.com/apiKeys
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Connection: close
Content-Length: 30
command=returnBalances&nonce=```<NONCE_VALUE>```