Build on Alpaca. Connect to Alpaca users.

Create dashboards, bots, analytics tools, automations, and agent-enabled workflows powered by Alpaca’s Trading API — then let Alpaca brokerage users connect through OAuth.

TRUSTED BY MILLIONS OF TRADERS AND HUNDREDS OF FINANCIAL INSTITUTIONS

BitsoBackedDerayahDimeKrakenMidasOndoMusaffaSBI HoldingsSpaceshipeToroSarwa

Connect by the numbers

9k+

Total Connect apps both personal and public

10m+

User base from
day one

60+

Public Connect
apps

Trading API workflow showing an NVDA market view, connected tools, and order entry
Powered by Alpaca’s Trading API.

Whether you’re automating your own trades or building the next great trading product, Connect gives you Alpaca’s Trading API as your execution layer.

Learn more about Trading API
OAuth connection diagram linking an application to an Alpaca brokerage user
Infrastructure and distribution for financial builders.

A great trading product needs more than infrastructure. It needs a way to reach users. Connect gives builders a path to create apps on Alpaca’s platform and let Alpaca brokerage users connect their accounts through OAuth.

Read our docs

Build trading experiences your way

Learn-to-trade apps
Teach stocks, ETFs, crypto, and options, start users in a simulator, then let them connect an Alpaca account to trade for real, all in one interface.
Options strategy platforms
Power screeners, backtesting, and automation for spreads, covered calls, cash-secured puts, and multi-leg strategies, with Alpaca as the execution layer.
AI-assisted strategy tools
Build agentic experiences that analyze markets, generate ideas, recommend sizing, and prepare orders for human approval before execution.
Broker connectivity aggregators
Build aggregators for trading journals, analytics tools, and platforms, with Alpaca as a supported brokerage connection.
Portfolio analytics dashboards
Connect to Alpaca accounts to surface balances, positions, P/L, trade history, allocation, tax lots, and performance, with read-only or full trading access.

Why build on Connect.

900k+ users, day one
Connect apps are available to every Alpaca brokerage user — including international accounts — the moment your app is approved.
No broker license needed
Non-registered firms, individual developers, and fintech companies can all build on Connect. Alpaca handles compliance, KYC, and custody.
Full Trading API on behalf of users
OAuth tokens give your app access to the same Trading API used for live accounts — orders, positions, market data, account info — scoped to exactly what each user grants.
Listed on Alpaca Connect Marketplace
Approved apps are published on the Alpaca Connect Marketplace, giving you a built-in distribution channel without additional marketing spend.
User-controlled scopes
Users choose what to grant — read-only, trading access, or both. Your app only accesses what the user explicitly authorizes.
Paper trading for development
Build and test against paper accounts using the same OAuth flow. No live funds needed during development.

Three steps to your first user

  1. 01

    Register your app.

    Submit your app via the developer dashboard.

  2. 02

    Wire up the OAuth flow.

    Standard OAuth 2.0 / PKCE. Sample code in JS, Python, Go.

  3. 03

    Go live.

    After review your app is approved and listed in Connect.

Build with Alpaca. Find your community.

Submit your app today and connect to Alpaca brokerage users through OAuth.