Overview

Welcome to BigONE Developer API V3 Documents

Base Endpoint

SPOT

API: https://big.one/api/v3/

CONTRACT

API: https://big.one/api/contract/v2/ WS: wss://big.one/ws/contract/v2/

Notice: This is just base endpoint and must be concatenated with the remaining part in each page below for normal access. Example: https://big.one/api/v3/ping

We recommend you place your server at HongKong or Tokyo for a stable connection and fast access.

But if your server is in the China mainland, you can use the domain below. This domain is probably be blocked at any time. 如果您只能在中国大陆架设服务器，可以使用以下域名，但是这个域名有在任何时间点被封禁的风险。 API EntryPoint: https://www.bigonezh.com/api/v3/

FMZ is one of the largest digital currency quantitative trading platform in Asia. FMZ supports JavaScript, Python, C++ and many other programming languages. And already implemented the BigONE OpenAPI. For more information, follow this link: https://www.fmz.com/api

BigOne OpenAPI Technical Support