Alpaca Broker API — Funding & Transfers

Getting cash into and out of end-user accounts. There are three external rails plus Instant Funding, and for the external rails the model splits cleanly into bank links (persistent) and transfers (the actual money movement).

Read alpaca-broker-integration first for base URLs and auth (client-credentials Bearer token; legacy Basic still works). For moving cash between accounts in your omnibus (vs. to/from the outside world), see alpaca-broker-journals — that's a different mechanism.

Reference

• Guide: https://docs.alpaca.markets/docs/funding-accounts
• API ref: https://docs.alpaca.markets/reference/createtransferforaccount
• Live schema: alpaca-docs MCP → get-endpoint title "Broker API" path /v1/accounts/{account_id}/transfers

1. The funding model