SmartAPI

About SmartAPI

SmartAPI is a set of trading APIs provided by Angel One (formerly Angel Broking) for building automated trading and investment platforms. It offers real-time market data feeds, trade execution through Angel One's trading engine, and portfolio monitoring, with integration support for programming languages including Python, NodeJS, Java, R, PHP, C# and Go. The APIs connect to Angel One's client base of over 20 million users.

The service targets retail and tech-savvy investors who want to automate trading strategies, reduce manual intervention and emotional bias, and monitor markets continuously. It is also positioned for developers and fintech builders creating investing or trading products on top of Angel One's infrastructure.

The APIs are offered free of cost. Documentation, a developer forum, and FAQ resources are available, along with TOTP-based login for API access.

Key features

• Free trading and market data APIs for building custom platforms
• Real-time market feed integration for trading strategies
• Trade execution engine to build a full-fledged trading platform
• SDKs/support for Python, NodeJs, Java, R, PHP, C# and Go
• Low-latency APIs for fast trade execution
• Access to Angel One's client base of 20 million+ for fintech products

Frequently asked questions