{"last"=>829.69, "bid"=>949.58, "ask"=>949.59, "high"=>829.69, "low"=>829.69}, "CNY"=>{"last"=>4763.8, "bid"=>5728.66, "ask"=>5728.67, "high"=>5812, "low"=>4898}} Order Book /api_v1/bcorderbook?symbol=btcusd Data is cached at the server-side so it is unnecessary to make frequent visits. and scroll to the page bottom.Trade Histroy /api_v1/bctrades?since=1393684528 We had a major database migration in March and only history data after that is available in this API.Trading API (REST) Authentication LakeBTC provides trading JSON-RPC API interface.HMAC (Hash-based Message Authentication Code) is employed as our authentication mechanisms.">