# Greeks.live Block Trade Deribit API V2.1

Greeks.live Block Trading System provides two API access methods:

1.JSON-RPC over Websocket；

2.JSON-RPC over HTTP(Post method is used where the requested data are placed in the request body).

**Testing Environment:**

       The connection URL of Websocket is: *wss\://*test-rfq*.greeks.live/deribit/ws/*

       The HTTP requested URL is: *https\://*test-rfq*.greeks.live/deribit/api/v2/*

**Production Environment:**

       The connection URL of Websocket is: wss\://rfq.greeks.live*/deribit*/ws/

&#x20;      The HTTP requested URL is:  <https://rfq.greeks.liv&#x65;_/deribit_/api/v2/>