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LongPort OpenAPI

Diversified access schemesProvide flexible support for your programmatic trading needs
Support HTTP/WebSocket/Longbridge binary protocol and multi-language SDK, allowing flexible access
A cloud-native microservice architecture based on hybrid cloud and with multi-region high availability. The system has automatic elastic scalability and failover capabilities and can run 24/7 continuously.
Lightning-fast trading with latency as low as 10 milliseconds, adapting to cloud-native distributed in-memory databases and stateless distributed systems.
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Real-time Quotes

Real-time quotes with low latencySupport all product types in HK, US, and CN marketsAdvanced quotes such as Level 2 and National BBO are availableSupport access to historical candlestick quotes data

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Lightning-fast Trading

Support the trading of stocks, options, bonds, funds, and other products in the US&HK marketsSupports multiple order types such as general order, conditional order, and attach orderFunctions include placing orders, amending orders, canceling orders, viewing account positions and funds

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AI Friendly

Support LLM standards, including LLMs Text, MCP etc., for you to easily use AI to build your idea.

All Product Types Supported

Open an account to receive HK market LV2 quotes and CN market LV1 quotes for free
HK Market
ProductTradeQuotes
Stocks
ETFs
Warrant&CBBC
US Market
ProductTradeQuotes
Stocks
ETFs
Options
China Connect
ProductTradeQuotes
Stocks
ETFs