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Programmatic trading APIs for stocks, options, and advanced short-selling. Build custom trading applications, place orders programmatically, and integrate with TradeZero in minutes.

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Launchpad

Jump straight to the resource you need.

Quick Start

Step-by-step recipes that take you from your first API call to a filled order, multi-leg options spread, or short locate - with copy-paste curl snippets you can run today.

Get your API key

Generate credentials in the TradeZero Portal and authenticate your first request in minutes.

Short Locates

Quote, accept, and reuse short-locate inventory from TradeZero’s borrow marketplace - programmatic shorts the way the pros do them.

Options Trading

Place single- and multi-leg options orders, browse OCC chains, and manage option positions over the same REST and WebSocket API.