Broker API
Broker API
Build embedded investing infrastructure with MyStocks accounts, funding, KYC, trading, events, reporting, and reconciliation.
The Broker API is the end-to-end partner workflow for embedding investing into your product. It combines customer sub-accounts, USD wallets, funding and withdrawals, partner-asserted KYC, trading, webhooks, reports, and production certification.
Recommended sequence
- Get credentials and understand environments.
- Complete Getting Started with Broker API in sandbox.
- Create and manage sub-accounts.
- Add funding and withdrawals.
- Add webhooks and SSE events.
- Build reconciliation and reports.
- Submit go-live evidence.
Broker capabilities
Account opening
Create, list, freeze, close, and inspect isolated customer accounts.
Funding
Move funds with idempotent deposits, withdrawals, top-ups, and payouts.
Operations
Reconcile cash, positions, fees, dividends, and custody exports.
Events
Receive signed, at-least-once events and inspect delivery history.
For endpoint-level detail, use the API Reference or API Tester.
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