Openapi

Longbridge OpenAPI provides developers and AI products with real-time market data, trading functionality, and advanced financial research tools across US, Hong Kong, Singapore, and Chinese markets. With SDKs in 7 languages, a CLI, AI agent integration, and hosted MCP for seamless connectivity with ChatGPT and other AI assistants, it is designed for quantitative research, trading, and intelligent market analysis. There are no monthly fees, and it supports both live and paper trading, making it ideal for developers, researchers, fintech innovators, and AI product teams seeking instant, programmatic access to multi-market financial data.