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Alpaca

Commission-free brokerage API for stocks, options, and crypto — build trading apps in days, not years

4.6(1,850 reviews)
Finance & Accounting

Quick buyer guide

Is Alpaca right for you?

Use this section to decide whether Alpaca belongs on your shortlist before you visit the vendor, request a demo, or start implementation planning.

Category

Finance & Accounting

Implementation effort

Medium

Pricing model

freemium

Best for

  • Teams evaluating finance & accounting tools for a real business workflow.
  • Users who need commission-free brokerage api for stocks, options, and crypto — build trading apps in days, not years.
  • Businesses that already use or can connect Python, JavaScript, TypeScript.

Not ideal if

  • Organisations that need enterprise procurement, compliance, and dedicated support from day one.
  • Teams without a clear use case, owner, or success metric for the tool.
  • Businesses that cannot yet review data, privacy, permissions, and approval requirements.

Common use cases

Automate invoice, expense, reconciliation, and document-heavy finance work.
Improve forecasting, reporting, compliance checks, and approvals.
Reduce manual data entry across finance systems.
Spot anomalies, fraud signals, and exceptions that need human review.

Implementation effort

Medium

Alpaca should be tested on one focused workflow first, especially if it connects to existing business systems or customer data.

Pricing clarity

A free tier may be available, but useful business features often sit behind paid plans. Check limits, exports, integrations, and team controls.

Digital by Default verdict

Alpaca is worth considering if you need finance & accounting capability and the core features match a real workflow. Treat it as a medium-effort adoption: shortlist it, compare alternatives, and test it on a small but realistic process before wider rollout.

Questions to ask before buying

  1. 1Which integrations are included, and which require extra setup or paid plans?
  2. 2How does pricing change with users, usage, data volume, or support level?
  3. 3What onboarding, migration, and support are included?
  4. 4How is your business data stored, secured, and used by the vendor?
  5. 5Can you test the tool on a small real workflow before rolling it out widely?

Need an implementation view?

Get help choosing or implementing Alpaca

Digital by Default can help compare alternatives, map the workflow, check data/privacy considerations, and plan a safe rollout.

Book a discovery call

About

Alpaca is a developer-first brokerage that exposes the entire trading stack — equities, options, crypto, and fractional shares — behind a clean REST and WebSocket API. Fintechs, robo-advisors, and indie quant builders use Alpaca to launch real-money trading products without becoming a broker-dealer themselves: the Broker API handles KYC, account opening, custody, clearing, and regulatory reporting, while the Trading API lets individual developers run live and paper-trading strategies against US markets. Real-time and historical market data, OAuth for third-party apps, and a fully-featured paper-trading sandbox are included out of the box.

Key Features

Commission-free US stock, ETF, and options trading via REST API
Crypto trading API with 20+ coins and 24/7 execution
Fractional shares from $1 — ideal for round-ups and micro-investing apps
Free paper-trading sandbox with full order lifecycle parity
Real-time and historical market data (IEX free tier, SIP paid)
Broker API: embed full brokerage with KYC, custody, clearing, and reporting
OAuth 2.0 for building third-party trading apps on user accounts
WebSocket streaming for trades, quotes, bars, and account updates
SDKs for Python, JavaScript/TypeScript, Go, C#, and Ruby
SOC 2 Type II, FINRA/SIPC member, SEC-registered broker-dealer

Integrations

PythonJavaScriptTypeScriptGoC#RubyTradingViewQuantConnectBacktraderZapierWebhooksREST APIWebSocket

Reviews

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Free paper + live trading / Broker API from custom
freemium plan
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CategoryFinance & Accounting
Pricingfreemium
Rating4.6/5
Reviews1,850
StatusVerified

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