AVS Developer DocsAtomic Vaults Securities API

Integrate U.S. equities, ETFs, and options trading into your platform via a single FINRA-licensed counterparty.

RESTful Trading API

Place, modify, and cancel orders for equities, ETFs, and listed options. Retrieve balances, positions, and transaction history.

Receive real-time order status updates — fills, partial fills, cancellations, and replacements — over a persistent WebSocket connection.

Access U.S. (NYSE, Nasdaq) and Hong Kong (HKEX) equities through a unified API, with Japan and Korea markets coming soon.