Contract

Name	base endpoint
Summary	https://api.atnirex.com/openapi/cmc/v1/contracts
Ticker	https://api.atnirex.com/openapi/quote/cmc/v1/contract/ticker/24hr
Orderbook	https://api.atnirex.com/openapi/quote/cmc/v1/orderbook/contract/BTC-SWAP-USDT?depth=20
Trades	https://api.atnirex.com/openapi/quote/cmc/v1/contract/trades?symbol=BTC-SWAP-USDT