> For the complete documentation index, see [llms.txt](https://doc.itick.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.itick.org/fix-api.md).

# FIX API

- [对接说明](https://doc.itick.org/fix-api/dui-jie-shuo-ming.md): ITick FIX API 对接完整说明：FIX 协议配置、会话管理、订单流与行情数据接入指南，专为机构交易与高频交易设计。