Trading API
Quote, place, monitor, cancel, and reconcile MyStocks master-account and sub-account orders.
The Trading API is the order and portfolio lane of the Partner API. It supports quote-gated market orders, resting order types, executions, portfolios, buying power, fractional cash-value investing, and order lifecycle events.
For analytics, use Portfolio Performance for cash-flow-adjusted
daily P&L, linked time-weighted return, and optional benchmark comparison. /portfolio/history remains
the raw equity-snapshot surface.
Get started
Order lifecycles
Trading guide
API Tester
Trading writes require a fresh quote where specified, a valid idempotency key, and the required trading scope. See Errors and Rate Limits before integrating retries.
Was this page useful?
Your signal helps us tighten partner onboarding docs.
Last updated on