TradeZero Developer Portal
Your TradeZero account, opened to code. Build with REST and WebSocket for orders, short locates, and live P&L, or use TradeZero MCP for natural-language workflows. Same routing, risk checks, and fills as TradeZero Platforms.
Start here
Choose a starting point - credentials, guides, recipes, or AI assistants - and begin building.
Generate API credentials in the Portal and send your first authenticated request.
Quote, accept, and credit back short-locate inventory on live accounts.
Submit single-leg and multi-leg option orders with OCC symbology and WebSocket portfolio updates.
Connect Claude, ChatGPT (Business/Enterprise/Edu), Perplexity, Grok, Cursor, or VS Code - paste the hosted URL and sign in with OAuth 2.0.