# WEBSOCKET API

- [股票报价](https://doc.itick.org/websocket-api/gu-piao-bao-jia.md): 股票实时报价 WebSocket API：A 股、港股、美股实时行情推送，支持逐笔成交、五档盘口、分时数据与自定义标的订阅。
- [指数报价](https://doc.itick.org/websocket-api/zhi-shu-bao-jia.md): 覆盖上证指数、沪深300、道琼斯、标普500、纳斯达克、恒生等主流核心指数，推送最新价、涨跌幅、成交量等关键数据，毫秒级低延迟。
- [外汇报价](https://doc.itick.org/websocket-api/wai-hui-bao-jia.md): 外汇实时报价 WebSocket API：全球主流货币对实时汇率推送，支持直盘/交叉盘报价、汇率中间价与流动性深度数据。
- [加密货币实时行情 WebSocket API - 比特币/以太坊等数字货币实时推送](https://doc.itick.org/websocket-api/jia-mi-huo-bi.md): 加密货币实时行情 WebSocket API：比特币、以太坊等主流数字货币实时价格推送，支持 K线、深度数据、交易对信息与多交易所聚合行情。


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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
