Give Cursor, OpenClaw, Claude Code, Windsurf, and other AI coding assistants direct access to this documentation.
Use the Model Context Protocol to give AI coding assistants like Cursor, Claude Code, and Windsurf direct access to Aries API, market data, orders, and account info without leaving your IDE.
Making Your First Request
Authenticate and make your first live API call in under 5 minutes.
Authentication
OAuth2 flows, credentials, and token management.
Supplemental API
Options, stocks, analytics, company data, news, ETFs, and more.
Streaming
Real-time market data and account updates via WebSockets.
SDKs
Official JavaScript, Python, and Go SDKs.
Rate Limits
Understand API rate limits and best practices.
API Reference
Explore our complete API documentation.
Changelog
Stay updated with the latest API changes.
Support
Questions| Reach out to our developer support team.
OpenAPI Specification
Download the OpenAPI specification for API integration.
Learn more about Aries
Aries gives developers a finance API built for real trading products, not just demo data. You can use one platform for live market data, order execution, account information, portfolio views, and supplemental financial datasets. If you are building brokerage experiences, trading tools, market dashboards, or AI workflows that need financial actions, Aries gives you the core API surface in one place.
Built for financial applications
Use Aries to power trading apps, brokerage workflows, client dashboards, and internal tools that need reliable market and account connectivity.
One API across the trading stack
Connect order placement, account data, WebSockets, analytics, watchlists, and supplemental market data without stitching together multiple vendors first.