API v1.0

Paper Trading APIDocumentation

Build and test trading strategies with the most realistic paper trading platform. Our API provides real-time execution, market simulation, and comprehensive portfolio management.

Real-time execution
Market simulation
REST & WebSocket APIs

API Features

Build powerful trading applications with our comprehensive API. Access real market data, execute trades, and manage portfolios programmatically.

Order Management

Place, modify, and cancel orders with advanced types including stops, brackets, and trailing stops.

Real-Time Data

Stream live quotes, trades, and order updates with WebSocket connections.

Portfolio Analytics

Track positions, P&L, and performance metrics across multiple portfolios.

Risk Management

Portfolio margin calculations, buying power, and day trading limits.

Simulated Market Latency

Add realistic network delays. Test your strategies under different conditions.

MCP Integration

Enable AI agents to trade through natural language with Model Context Protocol.

Guides

Making API Requests

Learn how to make your first API request with authentication.

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JWT Tokens

Exchange your API key for a JWT token to access the API.

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Rate Limiting

Understand rate limits and how to handle 429 responses.

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Status Codes

Learn about HTTP status codes and error response formats.

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