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LongPort OpenAPI

Diversified access schemes
Provide 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.

Real-time Quotes

Real-time quotes with low latency

Support all product types in HK, US, and CN markets

Advanced quotes such as Level 2 and National BBO are available

Support access to historical candlestick quotes data

Lightning-fast Trading

Lightning-fast order placement with low latency, as fast as 0.01 seconds

Support the trading of stocks, options, bonds, funds, and other products in the US&HK markets

Supports multiple order types such as general order, conditional order, and attach order

Functions include placing orders, amending orders, canceling orders, viewing account positions and funds

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